PI3PCIE2612-A
High Bandwidth, 6-Differential Channel
1:2 DP/PCIe Gen2 Display Mux, ATX Pinout
Features
• 6 Differential Channel, 1 to 2 demux that will support
5.0Gbps PCIexpress Gen2 signals on one path, and DP 1.1
signals on the second path
• Insertion Loss for high speed channels @ 5.0 Gbps: -5.0dB
• Low Bit-to-Bit Skew , 7ps max (between '+' and '-' bits)
• Latched Mux Select
• Matched paths for all PCIe signals
• Low Crosstalk for high speed channels: -35dB@2.5 GHz
• Low Off Isolation for high speed channels: -35dB@2.5 GHz
• V
DD
Operating Range: 3.3V ± 10%
• ESD Tolerance: 8kV contact on Display Port Path output
4kV HBM on PCI-Express path output
• Low channel-to-channel skew, 35ps max
• Packaging (Pb-free & Green):
– 56 TQFN (ZFE)
Description
Pericom Semiconductor’s PI3PCIE2612-A one to two Mux/
Demux is targeted for next generation systems that combine PCI-
Express gen-II signals with Display Port Signals.
Application
Routing DP and PCIExpress Gen1 or Gen2 signals with low signal
attenuation.
Pin Diagram (top-side view)
Tx0+
Tx1+
GND
49
GND
VDD
Block Diagram
56
55
54
53
52
51
50
VDD
Tx0-
Tx1-
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
GND
Tx2+
Tx2-
Tx3+
Tx3-
D0+
D0-
D1+
D1-
D2+
D2-
D3+
D3-
GND
VDD
Rx0+
Rx0-
Rx1+
Rx1-
GND
IN_0+
IN_0
-
IN_1+
IN_1
-
IN_2+
IN_2-
IN_3+
IN_3-
D0+
D0-
D1+
D1-
D2+
D2-
D3+
D3-
Tx0+
Tx0 -
Tx1+
Tx1 -
Tx2+
Tx2
-
Tx3+
Tx3
-
IN_0+
IN_0-
IN_1+
IN_1-
VDD
IN_2+
IN_2-
IN_3+
IN_3-
GND
OUT+
OUT-
X+
X-
GND
VDD
SEL
LE#
GND
OUT+
OUT-
X+
X-
AUX+
AUX-
HPD
NC
Rx0+
Rx0-
Rx1+
Rx1-
SEL
LE#
AUX+
VDD
GND
Truth Table (SEL control)
Function
PCI-Express Gen2 path is active (Tx)
Digital Video Port is active (Dx)
07-0261
Truth Table (Latch control)
SEL
L
H
1
LE#
0
1
Internal mux select
Respond to changes on SEL
Latched
PS8925B
11/30/07
AUX-
GND
VDD
NC
HPD
Logic
Control
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
