SN65LVPE501RGER [TI]

Dual Channel x1 PCIe Redriver/Equalizer; 双通道的PCIe X1转接驱动器/均衡器
SN65LVPE501RGER
型号: SN65LVPE501RGER
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

Dual Channel x1 PCIe Redriver/Equalizer
双通道的PCIe X1转接驱动器/均衡器

驱动器 PC
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SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
Dual Channel x1 PCIe Redriver/Equalizer  
Check for Samples: SN65LVPE501  
1
FEATURES  
Excellent Jitter and Loss Compensation  
Capability:  
Single Lane PCIe Equalizer/Redriver  
30" of 6 mil Stripline on FR4  
Support for Both PCIe Gen I (2.5Gbps) and  
Gen II (5.0 Gbps) Speed  
Small Foot Print – 24 Pin 4 × 4 QFN Package  
High Protection Against ESD Transient  
Selectable Equalization, De-emphasis and  
Output Swing Control  
HBM: 3,000 V  
CDM: 1,500 V  
MM: 200 V  
Integrated Termination  
Hot-Plug Capable  
Receiver Detect  
Low Power:  
APPLICATIONS  
PC MB, Docking Stations, Backplane and  
Cabled Application  
330mW(TYP), VCC = 3.3V  
Auto Low Power Modes:  
5mW (TYP) When no Connection Detected  
70mW (TYP) When in Auto-Low Power  
Mode  
DESCRIPTION  
The SN65LVPE501 is a dual channel, single lane PCIe redriver and signal conditioner supporting data rates of  
up to 5.0Gbps. The device complies with PCIe spec revision 2.1.  
Programmable EQ, De-Emphasis and Amplitude Swing  
The SN65LVPE501 is designed to minimize the signal degradation effects such as crosstalk and inter-symbol  
interference (ISI) that limits the interconnect distance between two devices. The input stage of each channel  
offers selectable equalization settings that can be programmed to match loss in the channel. The differential  
outputs provide selectable de-emphasis to compensate for the anticipated distortion PCIe signal will experience.  
Level of de-emphasis will depend on the length of interconnect and its characteristics. Both equalization and de-  
emphasis levels are controlled by the setting of signal control pins EQ1, EQ2 and DE1, DE2.  
To provide additional control of signal integrity in extended backplane applications LVPE501 provides  
independent output amplitude control for each channel. See Table 2 for setting details.  
Device PowerOn  
Device initiates internal power-on reset after VCC has stabilized. External reset can also be applied at anytime by  
toggling RST pin. External reset is recommended after every device power-up. When RST is driven high, the  
device samples the state of EN_RXD, if it is set H device enters Rx.Detect state where each channel will perform  
Rx.Detect function (as described in PCIe spec). If EN_RXD is set L, automatic RX detect function is disabled and  
both channels are enabled with their termination set to ZDC_RX  
.
Receiver Detection  
While EN_RXD pin is H and device is not in sleep mode (RST is H), SN65LVPE501 performs RX.Detect on both  
channels indefinitely until remote termination is detected on both channels. Automatic Rx detection feature can  
be forced off by driving EN_RXD low. In this state both channels input termination are set to ZDC_RX  
.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2010–2012, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
SN65LVPE501  
SLLSE30A MAY 2010REVISED MAY 2012  
www.ti.com  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
DESCRIPTION CONTINUED  
Sleep (Shut_Down) Mode  
This is low power state triggered by RST = L. In sleep mode receiver termination resistor for each of the two  
channels is switched to ZRX-HIGH_IMP of >50 KΩ and transmitters are pulled to Hi-Z state. Device power is reduced  
to <1mW (TYP). To get device out of sleep mode RST is toggled L-H.  
Electrical Idle Support  
A link is in an electrical idle state when the TX± voltage is held at a steady constant value like the common mode  
voltage. SN65LVPE501 detects an electrical idle state when RX± input voltage of the associated channel falls  
below VEID_TH min. After detection of an electrical idle state in a given channel the device asserts electrical idle  
state in its corresponding TX. When RX± voltage exceeds VEID_TH max, normal device operation is restored and  
output starts passing input signal. Electrical idle exit and entry time is specified at 6ns.  
Electrical idle support is independent for each channel.  
Power Save Features  
The device supports three power save modes as described below.  
1. Sleep (Shut_Down) Mode  
This mode can be enabled from any state (Rx detect or active) by driving RST L. In this state both channels  
have their termination set to ZRX-HIGH_IMP+ and outputs are at Hi-Z. Device power is 1mW (MAX)  
2. Auto Low Power Mode  
This mode is enabled when PS pin is tied H and device is in active mode. In this mode anytime Vindiff_pp falls  
below selected VEID_TH for a given channel and stays below VEID_TH for >1µs (TYP), the associated CH will  
enter auto low power (ALP) mode where power/CH will be reduced to <1/3rd of normal operating power/CH  
or about 70mW under typical voltage of 3.3V when ALP conditions are met for both channels. A CH will exit  
ALP mode whenever Vindiff_pp exceeds max VEID_TH for that channel. Exit latency is 30ns max. To use this  
mode link latency will need to account for the ALP exit time for N_FTS. ALP mode is handled by each  
channel independently based on its input differential signal level. This mode can be disabled by leaving PS  
as NC or tying PS to GND via 4.7kΩ.  
3. Cable Disconnect Mode  
This mode is activated when RST is H, EN_RXD = H, and no termination is detected by either channel.  
Device is in the Rx.Detect state whereby it is continuously performing Rx.Detect on both channels. In this  
state total power consumed by device is typically <3% of normal active power. Or <10mW (MAX).  
Beacon Support  
With its broadband design, the SN65LVPE501 supports low frequency Beacon signal (as defined by PCIe 2.1  
spec) used to indicate wake-up event to the system by a downstream device when in L2 power state. All  
requirements for a beacon signal as specified in PCI Express specification 2.1 must be met for device to pass  
beacon signals.  
Devic Power  
The SN65LVPE501 is designed to operate from a single 3.3V supply. Always practice proper supply sequencing  
procedure. Apply VCC first before any input control pin signals are applied to the device. Power-down sequence  
is in reverse order.  
2
Copyright © 2010–2012, Texas Instruments Incorporated  
SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
PCIe  
Instrumentation Chassis  
/I/O expansion box/  
Docking Station  
compliant  
cable  
Server/PC/Notebook  
Midplane  
I/O Module  
I/O Module  
I/O Module  
R
x1  
I/O Hub  
x1  
R
R
x1  
uP  
®
R
SN75LVPE501  
Figure 1. SN65LVPE501 Typical Applications  
Copyright © 2010–2012, Texas Instruments Incorporated  
3
SN65LVPE501  
SLLSE30A MAY 2010REVISED MAY 2012  
www.ti.com  
RST  
Detect  
RX1+  
TX1+  
TX1-  
Receiver/  
Equalizer  
CHANNEL 1  
Driver  
RX1-  
EQ1  
EQ  
CNTRL  
EQ2  
VBB_TX  
DE1  
DE2  
DEMP  
CNTRL  
TX2+  
RX2+  
RX2-  
Receiver/  
Equalizer  
CHANNEL 2  
Driver  
TX2-  
VBB_TX  
OS  
Cntrl.  
Detect  
RST  
OS1  
OS2  
Figure 2. Data Flow Block Diagram  
Split System  
Upstream Board  
Downstream Board  
PCIe  
RC  
R
PCIe Cable  
EN_RXD  
CPRSNT#  
Enclosed System  
System Board  
PCIe  
RC  
R
EN_RXD  
Mezzanine  
Card  
Figure 3. Typical Implementation  
4
Copyright © 2010–2012, Texas Instruments Incorporated  
SN65LVPE501  
www.ti.com  
NUMBER  
SLLSE30A MAY 2010REVISED MAY 2012  
Table 1. Pin Description  
PIN  
NAME  
I/O TYPE  
DESCRIPTION  
HIGH SPEED DIFFERENTIAL I/O PINS  
8
RX1+  
RX1–  
RX2+  
RX2–  
TX1+  
TX1–  
TX2+  
TX2–  
I, CML  
I, CML  
I, CML  
I, CML  
O, CML  
O, CML  
O, CML  
O, CML  
9
Non-inverting and inverting CML differential input for CH 1 and CH 2. These pins are tied to an  
internal voltage bias by dual termination resistor circuit.  
20  
19  
23  
22  
11  
12  
Non-inverting and inverting CML differential output for CH 1 and CH 2. These pins are  
internally tied to voltage bias by termination resistors.  
DEVICE CONTROL PIN(1)  
5
14  
7
EN_RXD  
PS  
I, LVCMOS Sets device operation modes per Table 2. Internally pulled to VCC  
I, LVCMOS Select auto-low power save mode per Table 2. Internally pulled to GND  
I, LVCMOS Reset device, input active Low. Internally pulled to VCC  
I, LVCMOS Reserved for factory test. Must be connected to GND  
RST  
24  
RSVD  
SIGNAL CONTROL PINS(2)  
3,16  
2,17  
DE1, DE2  
EQ1, EQ2  
OS1, OS2  
I, LVCMOS Selects de-emphasis settings for CH 1 and CH 2 per Table 2. Internally tied to VCC/2  
I, LVCMOS Selects equalization settings for CH 1 and CH 2 per Table 2. Internally tied to VCC/2  
I, LVCMOS Selects output amplitude for CH 1 and CH 2 per Table 2. Internally tied to VCC/2  
4, 15  
POWER PINS  
1,13  
VCC  
GND  
Power  
Power  
Positive supply should be 3.3V ± 10%  
Supply ground  
6,10,18,21  
(1) When not used can be left as NC or connected to VCC/GND via 4.7kΩ resistor.  
(2) Internally biased to VCC/2 with >200kΩ pullup/pulldown. When 3-state pins are left as NC board leakage at the pin pad must be <1 µA  
otherwise drive to VCC/2 to assert mid-level state.  
Copyright © 2010–2012, Texas Instruments Incorporated  
5
SN65LVPE501  
SLLSE30A MAY 2010REVISED MAY 2012  
www.ti.com  
Table 2. Signal Control Pin Setting  
TRANSITION BIT AMPLITUDE  
OSx  
(TYP mVpp)  
NC  
0
1000  
875  
1
1100  
DEx(1)  
OSx(1) = NC  
–3.7 dB  
OSx(1) = 0  
OSx(1) = 1  
–4.6 dB  
–6.6 dB  
–8.7 dB  
NC  
0
–2.5 dB  
–5.5 dB  
–9.5 dB  
–6.4 dB  
1
–9.4 dB  
EQUALIZATION dB  
(At GenII Speed)  
EQx(1)  
NC  
0
0
7
1
15  
EN_RXD  
DEVICE FUNCTION  
Set input termination to ZDC_RX  
and disable Rx. Detect  
0
Perform Rx.Detect (default,  
internally pulled to Vcc)  
1
RST  
DEVICE FUNCTION  
Device in quiescent state and  
inputs set to Hi-Z  
0
Device not in shut_down mode  
(default, internally pulled to Vcc)  
1
PS  
0
DEVICE FUNCTION  
Auto-low power mode disabled  
(default, internally pulled to GND)  
1
Auto-low power mode enabled  
(1) Applies to Channel 1 and Channel 2 at 2.5 GHz.  
6
Copyright © 2010–2012, Texas Instruments Incorporated  
 
SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
3.3 V  
TOP VIEW  
OS1 DE1  
GND  
EN_RXD  
EQ1  
VCC  
6
1
SN65LVPE501  
RST  
RSVD  
7
24  
0.1 µF  
0.1 µF  
TX1+  
TX1–  
RX1+  
RX1–  
CH1  
0.1 µF  
0.1 µF  
Thermal Pad  
(must be soldered to  
GND plane)  
GND  
GND  
0.1 µF  
TX2+  
TX2–  
0.1 µF  
RX2+  
RX2–  
CH2  
0.1 µF  
0.1 µF  
12  
19  
13  
18  
VCC  
PS  
OS2  
DE2  
EQ1  
GND  
3.3 V  
(1) This is a reference example and it is not intended to represent the best configuration; every designer should select  
the EQ and DE settings that better fits the system needs. All DEx, EQx and OSx pins default to NC.  
(2) The recommended value for all the resistors shown in the Figure is 4.9K Ω.  
(3) For terminals OSx, DEx, and EQx, populate only pull-up or only pull-down according to the desired setting.  
Figure 4. Reference Device Implementation  
Copyright © 2010–2012, Texas Instruments Incorporated  
7
 
 
SN65LVPE501  
SLLSE30A MAY 2010REVISED MAY 2012  
www.ti.com  
BOTTOM VIEW  
EQ1 DE1  
EN_RXD  
OS1  
VCC  
1
GND  
6
SN65LVPE501  
RSVD  
24  
7
RST  
TX1+  
TX1-  
GND  
RX2+  
RX2-  
RX1+  
RX1-  
CH1  
Thermal Pad  
(must be soldered to  
GND plane)  
GND  
TX2+  
TX2-  
CH2  
19  
12  
13  
18  
GND EQ2  
DE2 OS2  
PS VCC  
TOP VIEW  
GND EN_RXD OS1  
DE1 EQ1  
VCC  
1
6
SN65LVPE501  
RSVD  
TX1+  
TX1-  
RST  
7
24  
RX1+  
RX1-  
CH1  
Thermal Pad  
(must be soldered to  
GND plane)  
GND  
GND  
RX2+  
RX2-  
TX2+  
TX2-  
CH2  
12  
19  
18  
13  
OS2 DE2 EQ2  
VCC PS  
GND  
Figure 5. Flow-Through Pin-Out  
ORDERING INFORMATION(1)  
PART MARKING  
LVPE501  
PART NUMBER  
PCAKAGE  
SN65LVPE501RGER  
SN65LVPE501RGET  
24-pin RGE Reel (large)  
24-pin RGE Reel (small)  
LVPE501  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
8
Copyright © 2010–2012, Texas Instruments Incorporated  
SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
ABSOLUTE MAXIMUM RATINGS  
over operating free-air temperature range (unless otherwise noted)(1)  
UNIT / VALUES  
–0.5 V to 4 V  
Supply Voltage Range(2)  
Voltage Range  
VCC  
Differential I/O  
–0.5V to 4 V  
Control I/O  
–0.5 V to VCC + 0.5  
±3000 V  
(Human Body Model) QSS 009-105 (JESD22-A114B)  
(Charged Device Model) QSS 009-147 (JESD22-C101-A)  
(Machine Model) JESD22-A115-A  
Electrostatic Discharge  
±1500 V  
±200 V  
Continuous power dissipation  
See Thermal Information Table  
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings  
only and functional operation of the device at these or any conditions beyond those indicated under recommended operating conditions  
is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
(2) All voltage values, except differential voltages, are with respect to network ground terminal.  
THERMAL INFORMATION  
SN65LVPE501  
THERMAL METRIC(1)  
RGE  
UNITS  
24 PINS  
θJA  
Junction-to-ambient thermal resistance(2)  
46  
42  
13  
0.5  
9
(3)  
θJC(TOP)  
θJB  
Junction-to-case(top) thermal resistance  
(4)  
Junction-to-board thermal resistance  
°C/W  
(5)  
ψJT  
Junction-to-top characterization parameter  
(6)  
ψJB  
Junction-to-board characterization parameter  
(7)  
θJC(BOTTOM)  
Junction-to-case(bottom) thermal resistance  
4
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.  
(2) The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as  
specified in JESD51-7, in an environment described in JESD51-2a.  
(3) The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the package top. No specific JEDEC-  
standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.  
(4) The junction-to-board thermal resistance is obtained by simulating in an environment with a ring cold plate fixture to control the PCB  
temperature, as described in JESD51-8.  
(5) The junction-to-top characterization parameter, ψJT, estimates the junction temperature of a device in a real system and is extracted  
from the simulation data for obtaining θJA, using a procedure described in JESD51-2a (sections 6 and 7).  
(6) The junction-to-board characterization parameter, ψJB, estimates the junction temperature of a device in a real system and is extracted  
from the simulation data for obtaining θJA , using a procedure described in JESD51-2a (sections 6 and 7).  
(7) The junction-to-case (bottom) thermal resistance is obtained by simulating a cold plate test on the exposed (power) pad. No specific  
JEDEC standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.  
Copyright © 2010–2012, Texas Instruments Incorporated  
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SN65LVPE501  
SLLSE30A MAY 2010REVISED MAY 2012  
www.ti.com  
RECOMMENDED OPERATING CONDITIONS  
over operating free-air temperature range (unless otherwise noted)  
MIN TYP MAX UNIT  
VCC  
Supply Voltage  
3
75  
3.3  
3.6  
V
CCOUPLING  
AC Coupling Capacitor  
Operating free-air temperature  
200 nF  
85 °C  
–40  
ELECTRICAL CHARACTERISTICS  
over operating free-air temperature range (unless otherwise noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP MAX UNIT  
DEVICE PARAMETERS (under recommended operating conditions, unless otherwise noted)  
RST, DEx, EQx, OSx = NC, EN_RXD = NC, K28.5 pattern at 5 Gbps,  
VID = 1000mVp-p  
ICC  
101  
120  
ICCidle  
PS=1; When auto-low power conditions are met  
RST = GND  
21  
0.2  
2
26  
1
Supply Current  
mA  
ICCshut-down  
ICCRX.Detect  
RST, EN_RXD = NC  
Maximum Data Rate  
5
Gbps  
µs  
AutoLPENTRY  
AutoLPEXIT  
Auto Low Power Entry Time  
Auto Low Power Exit Time  
Electrical Idle at Input, Refer to Figure 9  
After first signal activity, Refer to Figure 9  
1.0  
1.3  
15  
30  
30  
ns  
Rx Detect Start Event, Vcc = Stable  
RST, EN_RXD = H  
tPU  
Power Up Time  
15  
µs  
Sleep (shut-down) Mode Entry  
Time  
tDIS  
RST HL; EN_RXD=X  
1
µs  
µs  
TENB  
Sleep (shut-down) Mode Exit Time RST LH; EN_RXD=H, Start of Ex detect event  
10  
CONTROL LOGIC (under recommended operating conditions, unless otherwise noted)  
VIH  
High level Input Voltage  
Low Level Input Voltage  
Input Hysteresis  
1.4  
VCC  
0.5  
V
V
VIL  
–0.3  
VHYS  
150  
mV  
OSx, EQx, DEx = VCC  
EN_RXD, RST = VCC  
OSx, EQx, DEx = GND  
PS = GND  
30  
1
IIH  
High Level Input Current  
µA  
µA  
–30  
–1  
IIL  
Low Level Input Current  
EN_RXD, RST = GND  
–20  
RECEIVER AC/DC (under recommended operating conditions, unless otherwise noted)  
Vindiff_pp  
VCM_RX  
RX1, RX2 Input Voltage Swing  
AC coupled differential signal  
100  
0
1200 mVp-p  
3.6  
RX1, RX2 Common Mode Voltage  
V
RX1, RX2 AC Peak common  
mode voltage  
VinCOM_P  
150 mVP  
ZDC_RX  
Zdiff_RX  
DC single ended impedance  
40  
80  
50  
60  
Ω
Ω
DC Differential Input impedance  
100  
120  
Device in sleep mode Rx termination not powered; Measured with  
respect to GND over 200mV max  
ZRX_High_IMP+  
VEID_TH  
DC Input High Impedance  
50  
74  
84  
kΩ  
Electrical Idle Detect Threshold  
Measured at receiver pin (see Figure 7)  
50 MHz – 1.25 GHz  
65  
10  
8
175 mVpp  
dB  
RLRX-DIFF  
Differential Return Loss  
Operating temperature 0°C to 85°C  
1.25 GHz – 2.5 GHz  
dB  
dB  
Operating temperature –40°C to 85°C  
7
RLRX-CM  
Common Mode Return Loss  
50 MHz – 2.5 GHz  
10  
10  
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Copyright © 2010–2012, Texas Instruments Incorporated  
Product Folder Link(s): SN65LVPE501  
SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
ELECTRICAL CHARACTERISTICS (continued)  
over operating free-air temperature range (unless otherwise noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP MAX UNIT  
TRANSMITTER AC/DC (under recommended operating conditions, unless otherwise noted)  
RL =100±1%, DEx, OS = NC, Transition Bit  
800 1000 1200  
VTXDIFF_PP  
RL =100±1%, DEx = NC, OSx = GND Transition Bit  
RL =100±1%, DEx = NC, OSx = VCC Transition Bit  
875  
mV  
mV  
1100  
RL =100±1%, DEx=NC, OSx = 0,1,NC  
Non-Transition Bit  
Differential peak-to-peak Output  
Voltage  
655  
495  
350  
RL =100±1%, DEx=0,OSx = 0,1,NC  
Non-Transition Bit  
VTXDIFF_NTB_PP  
RL =100±1%, DEx=1, OSx = 0,1,  
NC Non-Transition Bit  
DEx, OSx = NC, See  
Figure 11 ;  
(for OS1,2 = 1 and 0 see  
Table 2)  
Operating temperature 0°C to 85°C  
–3.0  
–3.0  
–3.7  
–3.7  
–4.0  
–4.2  
dB  
dB  
Operating temperature –40°C to 85°C  
De-Emphasis Level  
DEx = 0, OSx = NC  
DEx = 1, OSx = NC  
At 5Gbps  
–6.4  
–9.4  
0.8  
TDE  
De-Emphasis Width  
UI  
Zdiff_TX  
DC Differential Impedance  
Defined during signaling  
80  
10  
9.5  
6
100  
120  
Operating temperature 0°C to 85°C  
Operating temperature –40°C to 85°C  
Operating temperature 0°C to 85°C  
Operating temperature –40°C to 85°C  
f = 50 MHz – 1.25 GHz.  
f = 1.25 GHz – 2.5 GHz,  
RLdiff_TX  
Differential Return Loss  
dB  
5.5  
10  
RLCM_TX  
ITX_SC  
Common Mode Return Loss  
TX short circuit current  
f = 50 MHz – 2.5 GHz  
TX± shorted to GND  
dB  
60  
90  
mA  
Transmitter DC common-mode  
voltage  
VTX_CM_DC  
Allowed DC CM voltage at TX pins  
Max(Vd+ + Vd–)/2 – Min(Vd+ + Vd–)/2  
|VTX_CM_DC [L0] – VTX_CM_DC [L0s] |, PS=L  
2.1  
2.65  
3.1  
V
TX AC common mode voltage at  
GEN II speed  
VTX_CM_AC2  
26  
2
100 mVpp  
TX AC common mode voltage at  
GEN I speed  
VTX_CM_AC1  
20  
100  
25  
mV  
mV  
mV  
Absolute Delta DC CM voltage  
during active and idle states  
VTX_CM_DeltaL0-L0s  
0
0
0
VTX_CM-DC-Line-  
Absolute Delta of DC CM voltage  
between D+ and D–  
|VTX_CM_DC-D+ [L0] – VTX_CM_DC-D- [L0]  
|
Delta  
Electrical idle differential peak  
output voltage  
VTX_idle_diff-AC-p  
VTX_idle_diff-DC  
Vdetect  
|VTX-Idle-D+ – VTX-Idle-D–| HP filtered to remove any DC component  
|VTX_idle-D+ – VTX_idle-D–| LP filtered to remove any AC component  
Positive voltage to sense receiver  
1
10 mVpp  
mV  
DC Electrical idle differential  
output voltage  
3.5  
Voltage change to allow receiver  
detect  
600  
mV  
ps  
DEx = NC, OS = NC (CH 0 and CH 1) 20%-80% of differential voltage  
at the output; VID > 1000mVpp  
tR,tF  
Output Rise/Fall time  
30  
53  
1
DEx = NC, OS = NC (CH 0 and CH 1) 20%-80% of differential voltage  
at the output  
tRF_MM  
Output Rise/Fall time mismatch  
20  
ps  
DEx = NC (CH 0 and CH 1). Propagation delay between 50% level at  
input and output. See Figure 6  
Tdiff_LH, Tdiff_HL  
tidleEntry tidleExit  
Differential Propagation Delay  
Idle entry and exit times  
280  
4
330  
6
ps  
ns  
See Figure 7  
Tx EQUALIZATION at GEN II Speed (under recommenced operating conditions)  
At point A in Figure 10(2)  
At point B in Figure 10(2)  
At point A in Figure 10(2)  
30  
25  
16  
11  
50  
80  
30  
60  
(1)  
TTX-TJ  
Total Jitter  
ps pp  
ps pp  
TTX-DJ  
Deterministic Jitter  
(2)  
At point B in Figure 10  
(1) Includes RJ at 10-12  
(2) Refer to Figure 10 with ± K28.5 pattern at 5Gbps, –3.5dB DE from source AWG .  
Copyright © 2010–2012, Texas Instruments Incorporated  
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SLLSE30A MAY 2010REVISED MAY 2012  
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IN  
T
T
diff_HL  
diff_LH  
OUT  
Figure 6. Propagation Delay  
vertical spacer  
IN+  
V
V
EID_TH  
CM  
IN-  
t
t
idleExit  
idleEntry  
OUT+  
V
CM  
OUT-  
Figure 7. Idle Mode Exit and Entry Delay  
vertical spacer  
80%  
20%  
t
r
t
f
Figure 8. Output Rise and Fall Times  
vertical spacer  
RX_1,2+  
RX_1,2-  
VCM  
RX  
t
idleEntry  
AutoLP  
EXIT  
TX_1,2+  
TX_1,2-  
VCM  
TX  
AutoLP  
Power Saving  
Mode  
ENTRY  
Figure 9. Auto Low Power Mode Timing (when enabled)  
12  
Submit Documentation Feedback  
Copyright © 2010–2012, Texas Instruments Incorporated  
Product Folder Link(s): SN65LVPE501  
SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
Jitter  
Measurement  
B
A
25" 6mil  
Stripline  
5" 6mil Stripline  
1
AWG*  
2
B
A
AWG*  
A = Device pin + 2"  
B = End of trace on test board  
Jitter  
Measurement  
Figure 10. Jitter Measurement Setup  
vertical spacer  
1-bit  
1 to N bits  
1 to N bits  
1-bit  
tDE  
DEx = NC  
-3.7dB  
-6.4 dB  
DEx = 0  
-9.4 dB  
DEx = 1  
VTXDIFF_NTB_P-P  
VTXDIFF_TB_P-P  
tDE  
Figure 11. Output De-Emphasis Levels OSx = NC  
Typical Eye Diagram and Performance Curves at Output  
Input Signal Characteristics: Data Rate = 5 Gbps, VID = 1000 mVpp, DE = -3.5 dB, Pattern = K28.5  
Device Operating Conditions: VCC = 3.3 V, Temp = 25°C  
Device EQ settings (EQ/DE/OS) adjusted for best eye performance  
Copyright © 2010–2012, Texas Instruments Incorporated  
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SLLSE30A MAY 2010REVISED MAY 2012  
www.ti.com  
Output Trace Length Held Constant and Input Trace Length Varied  
Figure 12. Input Trace = 4 Inches, 6 mil, and Measured at Output Trace = 4 Inches  
vertical spacer  
Figure 13. Input Trace = 20 Inches, 6 mil, and Measured at Output Trace = 4 Inches  
14  
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Copyright © 2010–2012, Texas Instruments Incorporated  
Product Folder Link(s): SN65LVPE501  
SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
Figure 14. Input Trace = 32 Inches, 6 mil, and Measured at Output Trace = 4 Inches  
vertical spacer  
Figure 15. Input Trace = 44 Inches, 6 mil, and Measured at Output Trace = 4 Inches  
Copyright © 2010–2012, Texas Instruments Incorporated  
Submit Documentation Feedback  
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Product Folder Link(s): SN65LVPE501  
SN65LVPE501  
SLLSE30A MAY 2010REVISED MAY 2012  
www.ti.com  
Variable Trace Lengths at Input and Output  
Figure 16. Input Trace = 28 Inches, 6 mil, and Measured at Output Trace = 24 Inches  
vertical spacer  
Figure 17. Input Trace = 44 Inches, 6 mil, and Measured at Output Trace = 24 Inches  
16  
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Copyright © 2010–2012, Texas Instruments Incorporated  
Product Folder Link(s): SN65LVPE501  
SN65LVPE501  
www.ti.com  
SLLSE30A MAY 2010REVISED MAY 2012  
REVISION HISTORY  
Changes from Original (May 2010) to Revision A  
Page  
Added Figure 4 ..................................................................................................................................................................... 7  
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PACKAGE OPTION ADDENDUM  
www.ti.com  
11-May-2012  
PACKAGING INFORMATION  
Status (1)  
Eco Plan (2)  
MSL Peak Temp (3)  
Samples  
Orderable Device  
Package Type Package  
Drawing  
Pins  
Package Qty  
Lead/  
Ball Finish  
(Requires Login)  
SN65LVPE501RGER  
SN65LVPE501RGET  
ACTIVE  
ACTIVE  
VQFN  
VQFN  
RGE  
RGE  
24  
24  
3000  
250  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU Level-2-260C-1 YEAR  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU Level-2-260C-1 YEAR  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability  
information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that  
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between  
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight  
in homogeneous material)  
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information  
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and  
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.  
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.  
Addendum-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
14-Jul-2012  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
SN65LVPE501RGER  
SN65LVPE501RGET  
VQFN  
VQFN  
RGE  
RGE  
24  
24  
3000  
250  
330.0  
180.0  
12.4  
12.4  
4.25  
4.25  
4.25  
4.25  
1.15  
1.15  
8.0  
8.0  
12.0  
12.0  
Q2  
Q2  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
14-Jul-2012  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
SN65LVPE501RGER  
SN65LVPE501RGET  
VQFN  
VQFN  
RGE  
RGE  
24  
24  
3000  
250  
367.0  
210.0  
367.0  
185.0  
35.0  
35.0  
Pack Materials-Page 2  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other  
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TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms  
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