SN65LVPE504RUAR [TI]

四通道(半 x4 单路)PCI Express Gen II 转接驱动器 | RUA | 42 | -40 to 85;
SN65LVPE504RUAR
型号: SN65LVPE504RUAR
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

四通道(半 x4 单路)PCI Express Gen II 转接驱动器 | RUA | 42 | -40 to 85

PC 驱动 接口集成电路 线路驱动器或接收器 驱动程序和接口
文件: 总16页 (文件大小:3001K)
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SN65LVPE504  
www.ti.com  
SLLSE46 SEPTEMBER 2010  
Quad Channel (Half X4 Lane) PCIe Redriver/Equalizer  
Check for Samples: SN65LVPE504  
1
FEATURES  
DESCRIPTION  
4 Identical Channel PCIe Equalizer/Redriver  
Support for Both PCIe Gen I (2.5Gbps) and  
Gen II (5.0 Gbps) Speed  
The SN65LVPE504 is a quad channel, half four lane  
PCIe redriver and signal conditioner supporting data  
rates of up to 5.0Gbps. The device complies with  
PCIe spec revision 2.1, supporting electrical idle and  
power management modes.  
Selectable Equalization, De-emphasis, and  
Output Swing  
Per Channel Receive Detect (Lane Detection)  
Programmable EQ, De-Emphasis and Amplitude  
Swing  
Selectable Receiver Electrical Idle Threshold  
Control  
The SN65LVPE504 is designed to minimize the  
signal degradation effects such as crosstalk and  
inter-symbol interference (ISI) that limits 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. Both  
Low Operating Power Modes  
Supports Three Low-Power Modes to  
Enable up to 80% Lower Operating Power  
Excellent Jitter and Loss Compensation  
Capability to 50" of 4-mil SL on FR4  
Small Foot Print – 42 Pin 9 × 3.5 TQFN  
Package  
High Protection Against ESD Transient  
equalization and de-emphasis levels for all  
4
channels are controlled by the setting of signal  
control pins EQ, DE and OS.  
HBM: 6,000 V  
CDM: 1,000 V  
MM: 200 V  
See Table 1 for EQ, DE and OS setting details.  
spacer  
APPLICATIONS  
PC MB, Docking Station, Server,  
Communication Platform, Backplane and  
Cabled Application  
PS1 PS2  
RST# EN_RXD  
Low Power  
Controller  
Detect  
TX  
1-4+  
E
Q
U
A
L
I
RX  
1-4+  
CHANNEL  
1-4  
TX  
RX  
Z
E
R
RX  
1-4-  
TX  
1-4-  
OS  
Loss of Signal  
Detector  
VBB_TX  
EQ  
DE  
SQ_TH  
OS  
Figure 1. Data Flow Block Diagram  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010, Texas Instruments Incorporated  
SN65LVPE504  
SLLSE46 SEPTEMBER 2010  
DEVICE OPERATION  
Device PowerOn  
www.ti.com  
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. After 50µs (MAX) from the  
application of RST, device samples the state of EN_RXD, if it is set H device will enter Rx.Detect state where  
each of the four channels will perform Rx.Detect function (as described in PCIe spec). If EN_RXD is set L,  
automatic RX detect function is disabled and all channels are enabled with their termination set to ZRX_DC  
.
Receiver Detection  
While EN_RXD pin is H and device is not in reset state (RST is H), LVPE504 performs RX.Detect on all its 4  
channels indefinitely until remote termination is detected on at least one channel. When termination is detected  
on 1 CH, RX.Detect cycle is limited to 5 more tries on the other channels. At the end of 5th try those channels  
which failed to detect remote termination will be turned off to save power and their Rx termination is set to  
ZRX-HIGH. In the event device detects only three channels, all four channels are enabled.  
Automatic Rx detection feature on all four channels can be forced off by driving EN_RXD low. In this state all  
four channels input termination are set to ZRX_DC  
.
Standby Mode  
This is low power state triggered by RST = L. In standby mode receiver termination resistor for each of the four  
channels is switched to ZRX-HIGH of >50 kΩ and transmitters are pulled to Hi-Z state. Device power is reduced to  
<10mW (TYP). To get device out of standby 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. LVPE504 detects an electrical idle state when RX± input voltage of the associated channel falls below  
VEID_TH min and stays in this state for at least 20ns. 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  
operation is restored and output start passing input signal. Electrical idle exit and entry time is specified at < 8 ns  
(MAX).  
Electrical idle support is independent for each channel, however to lower active power it is possible to slave  
electrical idle function from channel 1 to CH2-CH4. This mode is selected by driving PS2 to H.  
Power Save Features  
Device supports three power save modes as below:  
1. Standby Mode  
This mode can be enabled from any state (Rx detect or active) by driving RST L. In this state all 4 channels  
have their termination set to ZRX-HIGH and outputs are at Hi-Z. Device power is 10mW (MAX).  
2. Auto Low Power Mode  
This mode is enabled when PS1 pin is tied H and device has been in active mode, i.e., past Rx detect state  
for >250ms (TYP). In this mode anytime Vindiff_p-p falls below selected VEID_TH for a given channel and stays  
below VEID_TH for >1µs, the associated CH enters auto low power (ALP) mode where power/CH is reduced  
by >80% of normal operating power/CH. A CH will exit ALP mode whenever Vindiff_p-p exceeds max VEID_TH  
for that channel. Exit latency from ALP state 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, unless slave mode is activated (PS2=H) when CH1 controls SQ detect of other  
channels based on its signal level.  
3. Slave Power Mode  
This mode is activated by driving PS2 high. Under normal operation squelch detection is handled by each  
channel independently. In slave mode SQ detection for CH2, CH3 and CH4 are turned off and squelch  
function is slaved to that of CH1. By turning off squelch detection circuitry for three of the four channels  
device saves power. To use this feature user must ensure all channels operate simultaneously  
2
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SN65LVPE504  
www.ti.com  
SLLSE46 SEPTEMBER 2010  
Squelch Control  
Controls electrical idle detect threshold level. Three levels are supported as shown in Table 1.  
Beacon Support  
With its broadband design, the SN65LVPE504 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.  
PCIe  
compliant  
cable  
Instrumentation Chassis/  
I/O expansion box/  
Docking Station  
Server/PC/Notebook  
Cabled  
Midplane  
I/O Module  
I/O Module  
I/O Module  
Mainboard  
Tx  
Rx  
R
R
x4  
I/O Hub  
Tx  
Rx  
R
x4  
R
uP  
Tx  
Rx  
R
R
x4  
R
SN75LVPE504  
Backplane  
Figure 2. LVPE504 Typical Applications  
Copyright © 2010, Texas Instruments Incorporated  
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SN65LVPE504  
SLLSE46 SEPTEMBER 2010  
www.ti.com  
DEVICE INFORMATION  
RUA Package  
(Top View)  
1
2
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
VCC  
NC  
VCC  
NC  
3
RX1+  
RX1–  
GND  
RX2+  
RX2–  
GND  
VCC  
GND  
RX3+  
RX3–  
GND  
RX4+  
RX4–  
NC  
TX1+  
TX1–  
GND  
TX2+  
TX2–  
GND  
VCC  
GND  
TX3+  
TX3–  
GND  
TX4+  
TX4–  
NC  
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
VCC  
VCC  
Figure 3. Flow-Through Pin-Out  
PIN FUNCTIONS  
PIN  
I/O TYPE  
DESCRIPTION  
NO.  
NAME  
HIGH SPEED DIFFERENTIAL I/O PINS  
3
RX1+  
RX1–  
RX2+  
RX2–  
RX3+  
RX3–  
RX4+  
RX4–  
TX1+  
TX1–  
TX2+  
TX2–  
4
6
7
Non-inverting and inverting CML differential input for CH 1 and CH 4. These pins are tied to an internal voltage  
bias by dual termination resistor circuit  
I, CML  
11  
12  
14  
15  
36  
35  
33  
32  
Non-inverting and inverting CML differential output for CH 1 and CH 4. These pins are internally tied to voltage  
bias by termination resistors  
O, CML  
4
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SN65LVPE504  
www.ti.com  
SLLSE46 SEPTEMBER 2010  
PIN FUNCTIONS (continued)  
PIN  
I/O TYPE  
DESCRIPTION  
NO.  
NAME  
HIGH SPEED DIFFERENTIAL I/O PINS (continued)  
28  
27  
25  
24  
TX3+  
TX3–  
TX4+  
TX4–  
Non-inverting and inverting CML differential output for CH 1 and CH 4. These pins are internally tied to voltage  
bias by termination resistors  
O, CML  
DEVICE CONTROL PIN  
40  
42  
18  
20  
39  
EN_RXD  
I, LVCMOS Sets device operation modes per Table 1. Internally pulled to VCC  
PS2  
PS1  
I, LVCMOS Tying pin to VCC slaves CH2-4 electrical idle and Rx.Detect function to CH1. Internally pulled to GND  
I, LVCMOS Select auto-low power save mode per Table 1. Internally pulled to GND  
SQ_TH(1) I, LVCMOS Squelch threshold level select pin for electrical idle detect per Table 1 Internally pulled to VCC/2  
RST I, LVCMOS Reset device, input active Low. Internally pulled to VCC  
SIGNAL CONDITIONING PINS(1)  
21  
19  
DE  
EQ  
OS  
I, LVCMOS Selects de-emphasis settings for CH 1-CH 4 per Table 1. Internally pulled to Vcc/2  
I, LVCMOS Selects equalization settings for CH 1-CH 4 per Table 1. Internally pulled to Vcc/2  
I, LVCMOS Selects output amplitude for CH 1-CH 4 per Table 1. Internally pulled to Vcc/2  
41  
POWER PINS  
1,9,17,22,30,38  
VCC  
GND  
Power  
Power  
Positive supply should be 3.3V ± 10%  
Supply ground  
5,8,10,13,  
26,29,31,34û  
(1) Internally biased to Vcc/2 with >200kpull-up/pull-down. 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.  
Table 1. Control Pin Settings  
OUTPUT SWING (CH1-CH4) at 5Gbps  
SQUELCH THRESHOLD (CH1-CH4)  
TRANSITION BIT AMPLITUDE  
MIN DIFFERENTIAL INPUT  
OS  
SQ_TH  
(TYP mVpp)  
(CH1-CH4)  
47 mVpp  
61 mVpp  
83 mVpp  
0
800  
0
NC (default)  
929  
NC (default)  
1
1047  
1
OUTPUT DE-EMPHASIS (CH1-CH4) at 5Gbps  
INPUT EQUALIZATION (CH1-CH4)  
DE  
OS = NC  
–3.4dB  
OS = 0  
–2.1dB  
–4.9dB  
–9.2dB  
OS = 1  
–4.6dB  
–7.2dB  
–11dB  
EQ  
0
Equalization dB (at 5Gbps)  
NC (default)  
0
7 (default)  
15  
0
1
–6.2dB  
NC  
1
–10.3dB  
EN_RXD  
DEVICE FUNCTION  
0
1
Set input termination to Rx_DC  
Perform Rx detect after power up  
RST  
DEVICE FUNCTION  
Device in standby state, inputs set to Hi-Z  
Device in active mode  
0
1
PS1  
0
DEVICE FUNCTION  
Auto-low power mode disabled (default)  
Auto-low power mode enabled  
1
PS2  
0
DEVICE FUNCTION  
Electrical Idle and Rx Detect independent for CH1-CH4 (default)  
1
CH2-CH4 Electrical Idle and Rx Detect slaved to CH1  
Copyright © 2010, Texas Instruments Incorporated  
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SN65LVPE504  
SLLSE46 SEPTEMBER 2010  
www.ti.com  
ORDERING INFORMATION(1)  
PART MARKING  
PART NUMBER  
SN65LVPE504RUAR  
PACKAGE  
LVPE504  
42-pin RUA Reel (large)  
(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.  
ABSOLUTE MAXIMUM RATINGS  
over operating free-air temperature range (unless otherwise noted)(1)  
VALUE  
–0.5 to 4  
–0.5 to 4  
–0.5 to VCC + 0.5  
±6000  
UNIT  
V
Supply voltage range(2)  
Voltage range  
VCC  
Differential I/O  
Control I/O  
Human body model(3)  
Charged-device model(4)  
Machine model(5)  
V
V
V
Electrostatic discharge  
±1000  
V
±200  
V
Continuous power dissipation  
See Thermal 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.  
(3) Tested in accordance with JEDEC Standard 22, Test Method A114-B  
(4) Tested in accordance with JEDEC Standard 22, Test Method C101-A  
(5) Tested in accordance with JEDEC Standard 22, Test Method A115-A  
THERMAL INFORMATION  
SN65LVPE504  
THERMAL METRIC  
UNITS  
TQFN (42 PINS)  
qJA  
Junction-to-ambient thermal resistance  
30  
12  
10  
0.5  
9
qJCtop  
qJB  
Junction-to-case (top) thermal resistance  
Junction-to-board thermal resistance  
°C/W  
yJT  
Junction-to-top characterization parameter  
Junction-to-board characterization parameter  
Junction-to-case (bottom) thermal resistance  
yJB  
qJCbot  
4.7  
RECOMMENDED OPERATING CONDITIONS  
MIN  
TYP  
MAX  
3.6  
UNITS  
VCC  
Supply voltage  
3
75  
3.3  
V
CCOUPLING  
AC Coupling capacitor  
Operating free-air temperature  
200  
85  
nF  
°C  
–40  
6
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ELECTRICAL CHARACTERISTICS  
under recommended operating conditions  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX UNITS  
DEVICE PARAMETERS  
RST, DEx, EQx, OS = NC, EN_RXD = NC, K28.5  
pattern at 5 Gbps, VID = 1000mVp-p  
ICC  
174  
161  
27  
190  
175  
PS2 = Vcc; RST, DEx, EQx, OS = NC,  
EN_RXD = NC, K28.5 pattern at 5 Gbps,  
VID = 1000mVp-p  
ICCSlave  
Supply current  
ICCALP  
mA  
32  
When auto-low power conditions are met,  
PS1 = VCC  
ICCALP _Slave  
ICCNO_CONNECT  
ICCstdby  
PS1, PS2 = VCC and link in EID state  
EN_RXD = 1 No termination detected on any CH  
RST = GND  
14  
18  
2.5  
0.1  
Maximum data rate  
5
Gbps  
µs  
AutoLPENTRY  
AutoLPEXIT  
tENB  
Auto low power entry time  
Auto low power exit time  
Device enable time  
Electrical idle at input, Refer to Figure 7  
After first signal activity, Refer to Figure 7  
RST 0 1  
1
30  
50  
2
ns  
5
µs  
tDIS  
Device disable time  
RST 1 0  
0.1  
µs  
EN_RXD = 1, Time to start Rx Detect after power  
up  
TRX.Detect  
Rx.Detect start event  
6
µs  
CONTROL LOGIC  
VIH  
High level Input Voltage  
Low Level Input Voltage  
Input Hysteresis  
1.4  
Vcc  
0.5  
V
V
VIL  
–0.3  
VHYS  
150  
mV  
OS, EQ, DE, SQ_TH, PS1, PS2 = VCC  
EN_RXD, RST = VCC  
30  
1
IIH  
High Level Input Current  
Low Level Input Current  
µA  
µA  
PS1, PS2 = GND  
–1  
IIL  
OS, EQ, DE, SQ_TH, EN_RXD, RST = GND  
–30  
RECEIVER AC/DC  
Vindiff_p-p  
RX1-RX4 Input voltage swing  
Max Rx total timing error  
AC coupled differential signal (5Gbps)  
At device pin (5Gbps)  
100  
1200 mVp-p  
TRX_TJ  
0.4  
UI  
Max Rx deterministic timing  
error  
TRX_DJ  
At device pin (5Gbps)  
0.3  
UI  
RX1-RX4 Common mode  
voltage  
VCM_RX  
0
3.6  
V
RX1-RX4 AC peak common  
mode voltage  
VinCOM_P  
ZRX_DC  
150  
60  
mVP  
DC single ended impedance  
40  
80  
55  
98  
DC Differential input  
impedance  
ZRX_Diff  
120  
Device in standby mode. Rx termination not  
powered measured with respect to GND over 200  
mV max  
ZRX_High  
DC Input high impedance  
50  
58  
75  
kΩ  
Measured at receiver pin: SQ_TH = NC  
61  
83  
47  
15  
11  
14  
VEID_TH  
Electrical idle detect threshold SQ_TH = 1  
SQ_TH = 0  
107  
mVpp  
50 MHz – 1.25 GHz  
10  
8
RLRX-DIFF  
RLRX-CM  
Differential return loss  
dB  
dB  
1.25 GHz – 2.5 GHz  
50 MHz – 2.5 GHz  
Common mode return loss  
9
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SLLSE46 SEPTEMBER 2010  
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ELECTRICAL CHARACTERISTICS (continued)  
under recommended operating conditions  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX UNITS  
TRANSMITTER AC/DC  
RL = 100±1%, OS = NC, transition Bit  
RL = 100±1%, OS = GND transition Bit  
RL = 100±1% OS = VCC transition Bit  
866  
929  
800  
1031  
1047  
Differential peak-to-peak  
output voltage  
VTXDIFF_P-P  
mV  
RL = 100±1%, DE=NC, OS = 0,1,NC  
on-transition bit  
620  
RL = 100±1%, DE=OS = 0,1,NC on-transition bit  
RL = 100±1%, DE=OS = 0,1,NC on-transition bit  
456  
288  
–3.0  
–5.5  
–3.4  
–6.2  
–4.0  
OS = NC (Figure 9) for OS = 1 and NC see  
Table 1)  
De-emphasis level  
–6.5  
dB  
–9.0 –10.3 –10.6  
0.9  
TDE  
De-emphasis width  
At 5 Gbps  
UI  
ZTX_diff  
DC Differential impedance  
Defined during signaling  
f = 50 MHz – 1.25 GHz  
f = 1.25 GHz – 2.5 GHz  
f = 50 MHz – 2.5 GHz  
TX± shorted to GND  
80  
10  
8
100  
20  
13  
12  
44  
120  
RLdiff_TX  
Differential return loss  
dB  
RLCM_TX  
ITX_SC  
Common mode return loss  
TX short circuit current  
6
dB  
90  
mA  
Transmitter DC common-mode Allowed DC CM voltage at TX pins  
voltage  
VTX_CM_DC  
VTX_CM_AC2  
VTX_CM_AC1  
1.8  
30  
3
2.2  
V
TX AC common mode voltage Max(Vd+ + Vd–) /2 – Min(Vd+ + Vd–)/2  
at Gen II speed  
100  
20  
mVpp  
mV  
TX AC common mode voltage RMS(Vd+ + Vd–)/2 – DCAVG(Vd+ + Vd–)/2  
at Gen I speed  
VTX_CM_DeltaL0-  
L0s  
Absolute Delta DC CM voltage |VTX_CM_DC [L0] – VTX_CM_DC [L0s] |  
during active and idle states  
0
0
0
100  
25  
mV  
VTX_CM-DC-Line-  
Delta  
Absolute delta of DC CM  
|VTX_CM_DC–D+ [L0] – VTX_CM_DC–D– [L0] |  
mV  
voltage between D+ and D–  
Electrical idle differential peak |VTX-Idle-D+ – VTX-Idle-D–|, LP filtered to remove any  
VTX_idle_diff-AC-p  
VTX_idle_diff-DC  
Vdetect  
1
20  
mVpp  
mV  
output voltage  
DC component  
DC electrical idle differential  
output voltage  
|VTX_idle-D+ – VTX_idle-D–|, LP filtered to remove any  
AC component  
1.9  
Voltage change to allow  
receiver detect  
Positive voltage to sense receiver  
600  
70  
mV  
De-Emphasis = 0 dB,  
tR,tF  
Output rise/fall time  
OS = NC (CH 0 and CH 1)  
30  
55  
ps  
20%-80% of differential voltage at the output  
De-Emphasis = 0dB,  
tRF_MM  
Output rise/fall time mismatch OS = NC (CH 0 and CH 1)  
20%-80% of differential voltage at the output  
20  
ps  
ps  
De-Emphasis = 0dB (CH 0 and CH 1). Propagation  
delay between 50% level at input and output  
Tdiff_LH, Tdiff_HL  
Differential propagation delay  
280  
350  
TINTRA_SKEW  
TINTER_SKEW  
tidleEntry, tidleExit  
Ttx_EID_min  
Output skew (same lane)  
Lane to lane skew  
5 Gbps  
15  
25  
8
ps  
ps  
ns  
ns  
5 Gbps  
–25  
20  
Idle entry and exit times  
Minimum time in EID  
See Figure 5  
Tx EQUALIZATION AT GEN II SPEED  
(1)  
TXDJ  
At point A1 in Figure 8, EQ/DE=NC, OS=HIGH  
At point A2 in Figure 8, EQ/DE=NC, OS=LOW  
At point B in Figure 8, EQ/DE=NC, OS=HIGH  
D24.3 pattern at point A1/A2/B in Figure 8  
25  
26  
27  
60  
60  
Residual deterministic jitter  
ps p-p  
psrms  
60  
TXRJ  
Residual random jitter  
0.1  
(1) Refer to Figure 8 with ±K28.5 pattern, –3.5dB DE from source AWG  
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IN  
T
T
diff_HL  
diff_LH  
OUT  
Figure 4. Propagation Delay  
IN+  
Vcm  
IN-  
V
EID_TH  
t
t
idleExit  
idleEntry  
OUT+  
Vcm  
OUT-  
Figure 5. Idle Mode Exit and Entry Delay  
80 %  
20 %  
t
t
f
r
Figure 6. Output Rise and Fall Times  
RX_1-4+  
RX_1-4-  
TX_1-4+  
TX_1-4-  
VCM  
RX  
t
idleEntry  
AutoLP  
EXIT  
VCM  
TX  
AutoLP  
Power Saving  
Mode  
ENTRY  
Figure 7. Auto Low Power Mode Timing (when enabled)  
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SN65LVPE504  
SLLSE46 SEPTEMBER 2010  
www.ti.com  
A1  
X = 40", 4mil SL on  
FR4  
2"  
2"  
Jitter Measurement  
CH  
AWG*  
Y = 8", 5mil SL on  
FR4  
5 Gbps Signal Gen.  
K28.5 pattern, 800mVpp  
B
A2  
X = 25", 4mil SL on  
FR4  
2"  
2"  
Jitter Measurement  
CH  
AWG*  
Y = 23", 5mil SL on  
FR4  
5 Gbps Signal Gen.  
K28.5 pattern, 800mVpp  
Figure 8. Jitter Measurement Setup  
1-bit  
1 to N bits  
1 to N bits  
1-bit  
tDE  
DEx/OSx = NC  
-3.4dB  
-6.2dB  
DEx = 0;  
OSx = NC  
-10.3dB  
DEx = 1;  
OSx = NC  
Vcm  
DiffVppTX  
DiffVppTX_DE  
tDE  
Figure 9. Output De-Emphasis Levels  
10  
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Product Folder Link(s): SN65LVPE504  
SN65LVPE504  
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SLLSE46 SEPTEMBER 2010  
TYPICAL CHARACTERISTICS  
TYPICAL EYE DIAGRAM AND PERFORMANCE CURVES  
Input Signal Characteristics – VID = 1000mVpp, DE = –3.5 dB, Pattern = K28.5  
Device Operating Conditions: VCC = 3.3 V, Temp = 25°C  
All trace are 4 mils  
PCIe Gen I and Gen II compliance mask shown  
AT GEN II SPEED  
Input Trace = 4", Output Trace = 8"  
Input Trace = 4", Output Trace = 16"  
EQ = 0 dB, OS = 833 mVpp, DE = -1.9 dB  
EQ = 0 dB, OS = 1166 mVpp, DE = -4.9 dB  
Figure 10.  
Figure 11.  
Input Trace = 4", Output Trace = 28"  
Input Trace = 16", Output Trace = 4"  
EQ = 0 dB, OS = 1166 mVpp, DE = -7.4 dB  
EQ = 0 dB, OS = 833 mVpp, DE = -1.9 dB  
Figure 12.  
Figure 13.  
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TYPICAL CHARACTERISTICS (continued)  
Input Trace = 28", Output Trace = 4"  
Input Trace = 36", Output Trace = 4"  
EQ = 7 dB, OS = 833 mVpp, DE = -1.9 dB  
EQ = 7 dB, OS = 833 mVpp, DE = -1.9 dB  
Figure 14.  
Figure 15.  
Input Trace = 48", Output Trace = 4"  
EQ = 15 dB, OS = 833 mVpp, DE = -1.9 dB  
Figure 16.  
AT GEN I SPEED  
Input Trace = 4", Output Trace = 8"  
Input Trace = 4", Output Trace = 16"  
EQ = 7 dB, OS = 833 mVpp, DE = -1.9 dB  
EQ = 7 dB, OS = 1166 mVpp, DE = -4.9 dB  
Figure 17.  
Figure 18.  
12  
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Product Folder Link(s): SN65LVPE504  
SN65LVPE504  
www.ti.com  
SLLSE46 SEPTEMBER 2010  
TYPICAL CHARACTERISTICS (continued)  
Input Trace = 4", Output Trace = 28"  
Input Trace = 16", Output Trace = 4"  
EQ = 7 dB, OS = 1166 mVpp, DE = -7.4 dB  
EQ = 7 dB, OS = 833 mVpp, DE = -1.9 dB  
Figure 19.  
Figure 20.  
Input Trace = 28", Output Trace = 4"  
Input Trace = 36", Output Trace = 4"  
EQ = 15 dB, OS = 833 mVpp, DE = -1.9 dB  
EQ = 15 dB, OS = 833 mVpp, DE = -1.9 dB  
Figure 21.  
Figure 22.  
Input Trace = 48", Output Trace = 4"  
EQ = 15 dB, OS = 833 mVpp, DE = -1.9 dB  
Figure 23.  
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PACKAGE OPTION ADDENDUM  
www.ti.com  
4-Oct-2010  
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)  
SN65LVPE504RUAR  
ACTIVE  
WQFN  
RUA  
42  
3000  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU Level-2-260C-1 YEAR  
Request Free Samples  
(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.  
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Addendum-Page 1  
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