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PI3B16862
3.3V, 20-Bit, 2-Port
NanoSwitch聶
Product Features
聲
聲
聲
聲
聲
Near-zero propagation delay
5 ohms or 25 ohms switches connect inputs to outputs
Fast Switching Speed - 5ns (max.)
Direct bus connection when switches are ON
32X384 function with flow through pinout make board
layout easier
聲 Vcc Operating Range: 3.0V to 3.6V
聲 Industrial operating temperature: 聳40擄C to +85擄C
聲 Packages available:
聳 48-pin 150-mil wide plastic BQSOP (B)
聳 48-pin 240-mil wide plastic TSSOP (A)
聳 48-pin 300-mil wide plastic SSOP (V)
Product Description
Pericom Semiconductor聮s PI3B series of Bus Switch circuits are
produced using the Company聮s advanced submicron CMOS
technology, achieving industry leading speed.
PI3B16862 is configured as a 3.3 Volt, 20-bit, hot-insertion 2-port
bus switch designed with a low ON resistance (5 ohms) allowing
inputs to be connected directly to outputs. The bus switch creates
no additional propagational delay or additional ground bounce
noise. The switch is turned ON by the Bus Enable (BEx) input signal.
Logic Block Diagram
A
0
SW
B
0
Product Pin Configuration
BE
2
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
GND
BE
4
A
10
A
11
A
12
A
13
A
14
A
15
A
16
A
17
A
18
A
19
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
V
CC
BE
1
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
B
9
V
CC
BE
3
B
10
B
11
B
12
B
13
B
14
B
15
B
16
B
17
B
18
B
19
A
4
SW
B
4
A
SW
BE
1
B
A
15
SW
B
15
BE
48-Pin
A, B, V
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A
19
SW
B
19
BE
4
Truth Table
(1)
Function
Disconnect
Connect
Note:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
BEx
H
L
A19-A0
Hi- Z
B19- B0
Product Pin Description
Pin Name
BEx
B19- B0
1
D e s cription
Bus Enable Inputs (Active LO W)
Bus A
Bus B
PS8200D
02/28/02
1
2
3
4
5
