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| PI3PCIE3412 Datasheet, PDF (1/10 Pages) Pericom Semiconductor Corporation – 3.3V, PCI Express 3.0 2-Lane, 2:1 Mux/DeMux Switch, with Single Enable | |||
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Features
⢠4 Differential Channel, 2:1 Mux/DeMux
⢠PCI Express® 3.0 Performance, 8.0Gbps
⢠Bi-directional Operation
⢠Low Bit-to-Bit Skew, 10ps max
⢠Low channel-to-channel skew, 20ps max
⢠Low Crosstalk: -35dB@4 GHz
⢠High Off Isolation:-22dB@4 GHz (8.0Gbps)
⢠Low insertion loss: -1.3dB@4 GHz (8.0Gbps)
⢠Return loss: -21dB@4 GHz
⢠Support for DP1.2 - HBR2, HBR, RBR
⢠Supply Voltage 3.3V
⢠Packaging (Pb-free & Green):
â 42-contact, TQFN (ZH42)
Block Diagram
A0+
B0+
A0-
B0-
A1+
B1+
A1-
B1-
C0+
C0-
C1+
C1-
A2+
B2+
A2-
B2-
A3+
B3+
A3-
B3-
C2+
C2-
C3+
C3-
SEL
Truth Table
Function
SEL
AN to BN
L
AN to CN
H
13-0046
PI3PCIE3412
3.3V, PCI Express® 3.0 2-Lane,
2:1 Mux/DeMux Switch, with Single Enable
Description
Pericom Semiconductorâs PI3PCIE3412 is an 8 to 4 differential
channel multiplexer/demultiplexer switch. This solution can
switch 2 full PCI Express® 3.0, lanes to one of two locations.
Using a unique design technique, Pericom has been able to
minimize the impedance of the switch such that the attenuation
observed through the switch is mininal. The unique design
technique also offers a layout targeted for PCI Express signals,
which minimizes the channel to channel skew as well as channel
to channel crosstalk as required by the PCI Express specification.
PI3PCIE3412 can also be used for application up to 12Gbps
Application
Routing of PCI Express 3.0, DP1.2, USB3.0, SAS2.0, SATA3.0,
XAUI, RXAUI signals with low signal attenuation.
Pin Configuration (Top-side view)
42 41 40 39
GND 1
38 B0+
A0+ 2
37 B0-
A0- 3
36 B1+
GND 4
35 B1-
VDD
5
A1+ 6
34 C0+
33 C0-
A1- 7
32 C1+
VDD
8
SEL 9
GND 10
31 C1-
30 VDD
29 B2+
A2+ 11
28 B2-
A2- 12
27 B3+
VDD 13
GND 14
26 B3-
25 C2+
A3+ 15
24 C2-
A3- 16
23 C3+
GND 17
22 C3-
18 19 20 21
1
www.pericom.com 04/15/13
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