PI5C32X384/32X384C
20-Bit, 2-Port Bus Switch
Features
• Near-Zero propagation delay
• 5Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra-low quiescent power 32X384 (0.2µA typical)
– Ideally suited for notebook applications
• Packaging (Pb-free & Green Available):
– 48-pin 150-mil wide plastic BQSOP (B)
– 48-pin 240-mil wide plastic TSSOP (A)
Description
Pericom Semiconductor’s PI5C32X384 and PI5C32X384C are
20-bit bus switches designed with a low On-Resistance allowing
inputs to be connected directly to outputs. The bus switch creates no
additional propagational delay or additional ground bounce noise.
The switches are turned ON by the Bus Enable (BE) input signal.
Four bus enable signals are provided, one for each of the upper
and lower five bits of the two 10-bit buses.
Block Diagram
A
0
B
0
A
5
B
5
Pin Configuration
BE
A
B
0
A
0
A
1
B
1
B
2
A
2
A
3
B
3
B
4
A
4
GND
BE
C
B
5
A
5
A
6
B
6
B
7
A
7
A
8
B
8
B
9
A
9
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
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A
4
A
15
B
4
B
15
A
9
A
10
B
9
B
10
V
CC
B
19
A
19
A
18
B
18
B
17
A
17
A
16
B
16
B
15
A
15
BE
B
V
CC
B
14
A
14
A
13
B
13
B
12
A
12
A
11
B
11
B
10
A
10
BE
D
A
19
BE
A
BE
B
BE
C
BE
D
B
19
A
14
B
14
Pin Description
Pin Name
BE
X
A
19
-A
0
B
19
-B
0
GND
V
CC
Description
Bus Enable Inputs (Active LOW)
Bus A
Bus B
Ground
Power
1
PS7027F
09/09/04
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
