Document
PI3USB302-A
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Features
ÎÎ2 Differential Channel, 2:1 Mux/DeMux ÎÎUSB 3.0 SuperSpeed switch ÎÎBi-directional operation ÎÎLow Bit-to-Bit Skew, 10 ps max ÎÎ3dB Bandwidth = 8.1GHz ÎÎLow channel-to-channel skew: 20 ps max ÎÎLow insertion loss: -1dB @ 2.5 GHz (5.0 Gbps) ÎÎLow Crosstalk: -33dB @ 2.5 GHz (5.0 Gbps) ÎÎLow Off Isolation: -27dB @ 2.5 GHz (5.0 Gbps) ÎÎLow Return Loss: -23.3dB @ 2.5GHz (5.0Gbps) ÎÎVDD Operating Range: 3.3 V +/-10% ÎÎESD Tolerance: 2 kV HBM ÎÎLow current: 0.2mA Typ. ÎÎPackaging (Pb-free & Green):
àà – 20-contact TQFN (2.5 × 4.5mm)
Block Diagram
Tx+ TxRx+ Rx-
SEL Switch PD Control
Tx1+ Tx1Rx1+ Rx1-
Tx2+ Tx2-
Rx2+ Rx2-
Truth Table
Function port 1 is active port 2 is active Both Ports Hi-z, IC power down
SEL
L H x
PD
L L H
All trademarks are property of their respective owners.
15-0076
Description
Pericom Semiconductor’s PI3USB302-A is a 2-differential channel bi-directional multiplexer/demultiplexer switch. Due to its low bit-to-bit skew, high channel-to-channel noise isolation and bandwidth, this product is ideal for USB 3.0 signal switching at 5.0 Gbps.
Application
Routing USB 3.0 SuperSpeed signals
Pin Description (Top-side view)
VDD GND
PD Tx+ Tx-
GND VDD Rx+ Rx-
SEL
1 2
20 19
3 18
4 17
5 16
GND
6 15
7 14
8 13
9 10
12 11
Tx1+ Tx1Rx1+ Rx1Tx2+ Tx2Rx2+ Rx2-
VDD GND
1 www.pericom.com 06/17/15
Pin Description
Pin # 2 3 4 7 8
9
14 15 12 13 17 16 19 18 6, 10, 1 5, 11, 20, center pad
Pin Name
PD Tx+ TxRx+ Rx-
SEL
Tx2Tx2+ Rx2Rx2+ Rx1+ Rx1Tx1+ Tx1VDD GND
I/O I I/O I/O I/O
I
I/O I/O I/O I/O
I/O Pwr Pwr
PI3USB302-A
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Description Power Down input. see truth table on page 1 for functionality Signal I/O, Transmit differential pair from common port
Signal I/O, Receive differential pair from common port Operation mode Select (when SEL=0: port 1 is active, when SEL=1: port 2 is active Signal I/O, Transmit differential pair, port 2
Signal I/O, Receive differential pair, port 2
Signal I/O, Receive differential pair, port 1
Signal I/O, Transmit differential pair, port 1 3.3V ±10% Positive Supply Voltage Power ground
All trademarks are property of their respective owners.
15-0076
2
www.pericom.com 06/17/15
PI3USB302-A
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Storage Temperature .....................................................–65°C to +150°C Supply Voltage to Ground Potential .................................–0.5V to +4.6V Channel DC Input Voltage ................................................. –0.5V to 1.5V SEL/PD DC Input Voltage ................................................. –0.5V to 4.6V DC Output Current ........................................................................ 120mA Power Dissipation ............................................................................ 0.5W
Note: Stresses greater than those lis.