PI3USB102E [PERICOM]
USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection;
| 型号： | PI3USB102E |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection |
| 文件： | 总7页 (文件大小：936K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI3USB102E
USB 2.0 High-Speed (480 Mbps)
Switch with 5V Protection
Features
Description
• USB 2.0 compliant (high speed, full speed, and low speed)
The PI3USB102E is a single differential channel 2:1 multiplexer/
demultiplexer USB 2.0 Switch. Industry leading advantages in-
clude a propagation delay of 250ps, resulting from its low channel
resistance and I/O capacitance. PI3USB102E is bidirectional and
offers very little attenuation of high-speed signals. It is designed
for low bit-to-bit skew, high channel-to-channel noise isolation
and is compatible with various standards, such as High Speed
USB 2.0 (480 Mb/s).
• R : 4.0Ω typical @ V = 3.0V
ON
DD
• Channel On Capacitance: 6.0pF
• Wide -3dB Bandwidth: 1,000MHz
• Low bit-to-bit skew
• Low Crosstalk: -29B @ 480 Mbps
• Off Isolation: -28dB @ 480 Mbps
• Near-Zero propagation delay: 250ps
• Support 1.8-V logic on control pins
The PI3USB102E offers over voltage protection for theY+/Y- pins
as per the USB 2.0 specification. With the chip powered on or off if
Y+/Y- pins are shorted to VBUS (5V +/- 5%), M+/M- and D+/D-
outputs are clamped to provide voltage protection for downstream
devices.
• V Operating Range: 3.0V to 5.5V
DD
• ESD: 8kV HBM on Y+/Y- pins per JESD22 standard
• Y+/Y- pins have over-voltage protection and can tolerate a
short to VBUS
• Packaging (Pb-free & Green):
10-contact TQFN, 1.3mm x 1.6mm x 0.75mm (ZL10)
Application
• Routes signals for USB 2.0
• PC, Notebooks and Hand-held devices
Block Diagram
over voltage
protection
M+
M -
Y+
Y -
over voltage
protection
D+
D -
SEL
OE
Control
Logic
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PI3USB102E
USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection
Truth Table
SEL
OE
Y+
Hi-Z
M+
D+
Y-
Hi-Z
M-
X
H
L
L
L
H
D-
Pin Configuration
10
9
8
5
Y+
Y-
1
2
7
6
D+
D-
3
4
Pin Description
Pin No.
Pin Name
Description
1
Y+
USB Data bus
USB Data bus
Ground
2
Y-
3
GND
M-
M+
D-
4
Multiplexed Source Inputs
Multiplexed Source Inputs
Multiplexed Source Inputs
Multiplexed Source Inputs
Switch Enable
5
6
7
D+
OE
8
9
V
Positive Power Supply
Switch Select
DD
10
SEL
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PI3USB102E
USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Note: Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device. This
is a stress rating only and functional operation of the device
at these or any other conditions above those indicated in the
operational sections of this specification is not implied. Ex-
posure to absolute maximum rating conditions for extended
periods may affect reliability.
Storage Temperature ......................................................–65°C to +150°C
Supply Voltage to Ground Potential ....................................–0.5V to +6V
DC Input Voltage .................................................................–0.5V to +6V
DC Output Current ........................................................................120mA
Power Dissipation.............................................................................0.5W
DC Electrical Characteristics for USB 2.0 Switching over Operating Range
(T = –40°C to +85°C, V = 3.0 - 5.5V)
A
DD
(1)
(2)
Parameter
Description
Test Conditions
Min.
Typ.
Max. Units
V
Input HIGH Voltage
Guaranteed HIGH level
Guaranteed LOW level
1.4
IH
V
Input LOW Voltage
0.8
-1.2
100
100
50
V
IL
IK
IH
V
Clamp Diode Voltage
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
= Max., I = –18mA
-0.7
IK
I
Input HIGH Current for SEL and OE
Input LOW Current for SEL and OE
Input HIGH Current for Y+/Y-
Input LOW Current for Y+/Y-
Leakage from Y+/Y- to Vdd when
= Max., V = VDD
-100
-100
IH
nA
uA
I
= Max., V = GND
IL
IL
I
= 3.3V., V = 5.25V
Y
IH
I
= 3.3V., V = 0V
1
IL
Y
= 3.3V., V
= 5.25V,
Y+/Y-
I
200 nA
5.0
Leakage
V
> Vdd
OE = LOW
Y+/Y-
V
= 3V, 0V ≤ V
= –40mA
≤ 1.0V
,
DD
input
input
input
(3)
R
Switch On-Resistance
4.0
1.5
0.9
ON
I
ON
V
DD
= 3V, 0V ≤ V
= –40mA
≤ 1.0V
,
(3)
R
On-Resistance Flatness
Ω
V
FLAT(ON)
I
ON
On-Resistance match from center
V
DD
= 3V, 0V ≤ V
= –40mA
≤ 1.0V
,
2.0
DR
ON
(3)
ports to any other port
I
ON
V
V
V
V
= 3.0 V
= 3.3 V
= 3.6 V
3.1
3.4
3.7
3.2
3.5
3.8
3.4
3.7
4.0
DD
Input Over-Voltage Protection Thresh-
old
V
OVP
DD
(4)
DD
Output leakage current on port M
when D path is on
= 5.25V, V = 3.3V
DD
Y+/Y-
I
-200
-200
200
200
5
nA
nA
uA
OZ_M
SEL = High, V
= 0V
M+/M-
Output leakage current on port D
when M path is on
V
= 5.25V, V = 3.3V
Y+/Y- DD
I
OZ_D
SEL = Low, V
= 0V
D+/D-
Y+/Y- Power-Off Leakage
Current
I
V
input
= 0V to 3.3V, V = 0V
OFF
DD
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PI3USB102E
USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection
Power Supply Characteristics
(1)
Parameters
Description
Test Conditions
= 3.3V, OE = GND, V
Min. Typ. Max. Units
uA
I
Power Supply Current
V
= GND or V
DD
1
2
DD
DD
SEL
Notes:
1.
2.
3.
4.
For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
= 3.0 - 5.5V, T = 25°C ambient.
Measured by the voltage drop between Y+/Y- and the lower of M+/M- and D+/D- at indicated current through the Switch.
V
DD
A
When the voltage at Y+/Y- is greater than V + 0.2V, over-voltage protection limits the output voltage at M+/- and D+/- to protect connected devices from
DD
damage.
Capacitance (Ta = 25°C, VDD = 3.3V, f = 1MHz)
(3)
(1)
(2)
Parameters
Description
Test Conditions
Typ.
Max.
Units
C
Input Capacitance
2.2
3.0
5.0
6.0
3.2
4.0
6.0
7.0
IN
C
Switch Off Capacitance for M and D ports
Switch Off Capacitance for Y port
Switch Capacitance, Switch ON
OE = High
OE = High
OFF (M/D)
pF
C
OFF (Y)
C
V = 0V or V
SEL DD
ON
Dynamic Electrical Characteristics Over the Operating Range
(3)
(2)
Parameters
Description
Test Conditions
Min. Typ.
Max. Units
X
Crosstalk
-29
-28
TALK
R = 50Ω, f = 240 MHz
L
dB
O
OFF Isolation
IRR
-3dB BW
–3dB Bandwidth
–0.5dB Bandwidth
R = 50Ω
1,000
275
MHz
MHz
L
-0.5dB BW
R = 50Ω
L
C = 10 pF, V
= 5V,
L
Y+/Y-
(4)
T
Over-Voltage Response Time
40
100
3.6
ns
V
OVP
(6)
V
DD
= 3.0 to 3.6V
C = 10 pF, V
= 5V,
L
Y+/Y-
(5)
V
Dynamic Signal Output Swing
2.7
3.0
DSW
(6)
V
DD
= 3.0 to 3.6V
Notes:
1.
2.
3.
4.
5.
For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
Typical values are at V = 3.3V, T = 25°C ambient.
DD
A
This parameter is determined by device characterization but is not production tested.
Time duration for output voltage higher than V when input is connected to 5V.
OVP
Output voltage observed at M+/M- and D+/D- during over-voltage condition.
Tested using a 750 kHz square wave with t = 75 ns and t = 75 ns.
6.
r
f
Switching Characteristics
(1)
Parameters Description
Test Conditions
Min. Typ. Max. Units
(2,3)
t
t
t
t
Propagation Delay
0.25
PD
, t
Line Enable Time - SEL, OE to D(+/-), M(+/-)
Line Disable Time - SEL, OE to D(+/-), M(+/-)
Break Before Make Delay
0.5
0.5
50
PZH PZL
ns
See Test Circuit
for Electrical
, t
11.0
PHZ PLZ
9.0
8
ns
ps
BBM
Characteristics
Output skew, bit-to-bit (opposite transition of the same
t
20
SKb-b
(2)
output (t
-t
)
PHL PLH
Notes:
1.
2.
3.
For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
Guaranteed by design.
The switch contributes no propagation delay other than the RC delay of the On-Resistance of the switch and the load capacitance. The time constant for the
switch alone is of the order of 0.25ns for 10pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little
propagation delay to the system. Propagation delay of the switch when used in a system is determined by the driving circuit on the driving side of the switch and
its interactions with the load on the driven side.
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PI3USB102E
USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection
Test Circuit for Dynamic Electrical Characteristics
DUT
Test Circuit for Electrical Characteristics
6.0V
VDD
200-ohm
VOUT
Pulse
Generator
D.U.T.
10pF
R T
200-ohm
Notes:
1.
2.
3.
4.
C = Load capacitance: includes jig and probe capacitance.
L
R = Termination resistance: should be equal to Z
of the Pulse Generator
T
OUT
All input impulses are supplied by generators having the following characteristics: Z = 50Ω, t ≤ 2.5ns, t ≤ 2.5ns.
The outputs are measured one at a time with on transition per measurement.
O
R
F
Switch Positions
Application Example Diagram
Test
Switch
t
t
, t
6.0V
PLZ PZL
, t
GND
Open
PHZ PZH
Prop Delay
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PI3USB102E
USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection
Switching Waveforms
2.5V
SEL
3.5V
1.5V
1.25V
1.25V
2.5V
2.5V
Input
0V
V
t
PZL
t
t
PLH
t
PHL
PLZ
Waveform 1
OH
V
V
DD/2
DD/2
V
V
OH
V
V
+0.3V
–0.3V
OL
V
V
OL
Output
2.5V
2.5V
t
t
PHZ
PZH
OL
OH
OH
V
Waveform 2
OL
Voltage Waveforms Propagation Delay Times
Voltage Waveforms Enable and Disable Times
Overvoltage Protection Waveforms
Tr =75ns
Tf = 75ns
5V
VOVP
0
Input Signal Appears At Y+/Y-
Tovp
5V
VOVP
VDSW
0
Typical Output Response at M+/M- or D+/D-
The PI3USB102E offers over voltage protection for the Y+/Y- pins to protect from shorts to VBUS (5V). When the voltage on Y+/Y-
exceeds V the voltage at M+/M- and D+/D- is clamped to V within the time T For rise time of 75 ns (as per USB1.1 and
OVP,
DSW
OVP.
USB2.0 low-speed specifications), T
for rise time of 5 ns.
is typically 40 ns. T
is smaller for faster risetimes. For example, T is typically 20 ns
OVP
OVP
OVP
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PI3USB102E
USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection
Packaging Mechanicals: 10-Contact TQFN (ZL10)
088/30/13
DATE:
DESCRIPTION: 10-Contact, Thin Fine Pitch Quad Flat No-Lead (TQFN)
PACKAGE CODE: ZL (ZL10)
REVISION: E
DOCUMENT CONTROL #: PD-2052
13-0175
Ordering Information
Ordering Code
Package Code
Package Description
Top Mark
PI3USB102EZLE
ZL
10-contact, in Fine Pitch Quad Flat No-Lead (TQFN)
JQ
Notes:
• Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
• E = Pb-free and Green
• Adding X suffix = Tape/Reel
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