PI3PCIE3442 Datasheet, PDF (4/13 Pages) Pericom Semiconductor Corporation – 3.3V PCI Express 3.0 2-Lane Exchange Switch

PI3PCIE3442
3.3V PCI Express® 3.0 2-Lane Exchange Switch
Pin Description (42-TQFN)
Pin #
1
2
5
6
10
11
14
15
38
37
34
33
29
28
25
24
3
4
7
8
12
13
16
17
36
35
32
31
27
26
23
22
41
9
18, 20, 30, 40, 42
19, 21, 39, Center Pad
Pin Name I/O
A0+
I/O
A0–
A1+
I/O
A1–
A2+
I/O
A2–
A3+
I/O
A3–
B0+
I/O
B0−
B1+
I/O
B1−
B2+
I/O
B2−
B3+
I/O
B3−
C0+
I/O
C0–
C1+
I/O
C1–
C2+
I/O
C2–
C3+
I/O
C3−
D0+
I/O
D0−
D1+
I/O
D1−
D2+
I/O
D2−
D3+
I/O
D3−
OE#
I
SEL
I
V_DD
Pwr
GND
Pwr
Description
Signal I/O, Channel 0, Port A
Signal I/O, Channel 1, Port A
Signal I/O, Channel 2, Port A
Signal I/O, Channel 3, Port A
Signal I/O, Channel 0, Port B
Signal I/O, Channel 1, Port B
Signal I/O, Channel 2, Port B
Signal I/O, Channel 3, Port B
Signal I/O, Channel 0, Port C
Signal I/O, Channel 1, Port C
Signal I/O, Channel 2, Port C
Signal I/O, Channel 3, Port C
Signal I/O, Channel 0, Port D
Signal I/O, Channel 1, Port D
Signal I/O, Channel 2, Port D
Signal I/O, Channel 3, Port D
Output Enable, active low. When OE# = 0 the device I/O is enabled. When OE#=1,
all I/O are high impedance
Operation mode Select
(when SEL=0: A→B, C→D, when SEL=1: A→D, C→B)
3.3V ±10% Positive Supply Voltage
Power ground
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www.pericom.com 06/04/14