PI3B32X245_06 Datasheet, PDF (1/4 Pages) Pericom Semiconductor Corporation – 3.3V, Hot Insertion 16-Bit, 2-Port Bus Switch

Product Features
• Fast Switching Speed: 4.5ns max.
• Permits Hot Insertion
• Near-zero propagation delay
• 5Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra-low quiescent power (1.0μA typical)
– Ideally suited for notebook applications
• Industrial operating temperature: –40°C to +85°C
• TTL - compatible control of input levels
• Packages (Pb-free & Green available):
– 40-pin, 150-mil wide plastic BQSOP (B)
Logic Block Diagram
A0
B0
A7
B4
BE1
A8
B8
A15
B15
BE2
Truth Table⁽¹⁾
Function
BEn A0–15
Disconnect
H Hi-Z
Connect
L B0–15
Notes:
1. H= High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
07-0011
PI3B32X245
3.3V, Hot Insertion 16-Bit, 2-Port Bus Switch
Product Description
The PI3B32X245 is a 3.3V,16-bit, 2-port bus switch. Two enable
signals (BEn) turn the switches on. The bus switch creates no
additional propagational delay or additional ground bounce noise.
Product Pin Configuration
NC
A₀
A₁
A₂
A
3
A₄
A₅
A₆
A₇
GND
NC
A₈
A₉
A₁₀
A₁₁
A₁₂
A
13
A₁₄
A₁₅
GND
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
10
40-Pin
B
32
31
11
30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
VCC
BE₁
B₀
B₁
B₂
B₃
B₄
B₅
B₆
B₇
GND
NC
B₈
B₉
B₁₀
B₁₁
B
12
B₁₃
B₁₄
B₁₅
Product Pin Description
Pin Name I/O
BEn
I
A0-A15
I/O
B0-B15
I/O
Description
Bus Enable Input (Active LOW)
Bus A
Bus B
1
PS8337E
11/17/06