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PI3C16212
3.3V, High Bandwidth, 24-Bit Bus Exchange Switch
Product Description
Pericom Semiconductor聮s PI3C series of bus switch circuits are
produced using the Company聮s advanced submicron CMOS
technology.
Product Features
聲 Near-zero propagation delay
聲 6鈩?switches connect inputs to outputs
聲 Direct bus connection when switches are ON
聲 Ultra-low quiescent power (0.2mA typical)
聳 Ideally suited for notebook applications
聲 Industrial operating temperature: 聳40擄C to +85擄C
聲 Packages available:
聳 56-pin 240-mil wide thin plastic TSSOP (A)
The PI3C16212 is 24-bit bus exchange switch designed with a low
ON resistance allowing inputs to be connected directly to outputs.
This device operates as a 24-bit bus switch or a 12-bit exchanger,
which provides data exchanging between the four signal ports via
the data select pins (S0-S2).
Logic Block Diagram
ONE OF TWELVE CHANNELS
1
A
1
1
B
1
Product Pin Configuration
S
0
1
A
1
1
A
2
2
A
1
2
A
2
3
A
1
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
1
A
2
1
B
2
3
A
2
GND
4
A
1
4
A
2
5
A
1
5
A
2
6
A
1
6
A
2
7
A
1
7
A
2
56
55
54
53
52
51
50
49
48
47
S
1
S
2
1
B
1
1
B
2
2
B
1
2
B
2
3
B
1
GND
3
B
2
4
B
1
4
B
2
5
B
1
5
B
2
6
B
1
6
B
2
7
B
1
7
B
2
8
B
1
FLOW CONTROL
S
0
S
1
S
2
56-Pin
A
V
CC
8
A
1
Truth Table
Function
Disconnect
A1 to B1
A1 to B2
A2 to B1
A2 to B2
Disconnect
A1 to B1, A2 to B2
A1 to B2, A2 to B1
S2
L
L
L
L
H
H
H
H
S1
L
L
H
H
L
L
H
H
S0
L
H
L
H
L
H
L
H
A1
Z
B1
B2
Z
Z
Z
B1
B2
A2
Z
Z
Z
B1
B2
Z
B2
B1
GND
8
A
2
9
A
1
9
A
2
10
A
1
10
A
2
11
A
1
11
A
2
12
A
1
12
A
2
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
GND
8
B
2
9
B
1
9
B
2
10
B
1
10
B
2
11
B
1
11
B
2
12
B
1
12
B
2
Product Pin Description
Pin Name
S0-S2
xAx
xB
x
1
Note:
1. H = High Voltage Level
L = Low Voltage Level
Z = High Impedance
I/O
I
I/O
I/O
Description
Select Inputs
Bus A
Bus B
PS8454C
01/11/02
1
2
3
4
