PI5C3383 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI5C3383 Datasheet PDF : 5 Pages
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PI5C3383
5-Bit, 4-Port Bus Exchange Switch
Features
• Near-Zero propagation delay
• 5Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra-low quiescent power (0.2µA typical)
– Ideally suited for notebook applications
• Packaging (Pb-free & Green available):
– 24-pin 173-mil wide plastic TSSOP (L)
– 24-pin 150-mil wide plastic QSOP (Q)
– 24-pin 300-mil wide plastic SOIC (S)
Block Diagram
A0
C0
B0
D0
A4
C4
B4
D4
Description
The PI5C3383 is a 5-bit, 4-port bus switch with exchange
designed with a low On-Resistance allowing inputs to be
connected directly to outputs. The switch creates no additional
propagational delay or additional ground bounce noise. The
switch is turned ON by the Bus Enable (BE) input signal, and the
Bus Exchange (BX) input signal offers nibble swapping of the
AB and CD pairs of signals. This exchange configuration allows
byte swapping of buses in systems. It can also be used as a quad
2-to-1 multiplexer and to create low delay barrel shifters, etc.
Pin Configuration
BE 1
C0
2
A0
3
B0
4
D0
5
C1
6
A1
7
B1
8
D1
9
C2
10
A2
11
GND 12
24 Vcc
23
D4
22
B4
21
A4
20
C4
19
D3
18
B3
17
A3
16
C3
15
D2
14
B2
13
BX
BX
BE
Truth Table(1)
Function
BE
BX A0-A4
Disconnect
H
X
Hi-Z
Connect
L
L
C0-C4
Exchange
L
H
D0-D4
Note:
1. H =High Voltage Level, X = Don’t Care
L = Low Voltage Level, Hi-Z = High Impedance
B0-B4
Hi-Z
D0-D4
C0-C4
Pin Description
Pin Name
Description
BE
Bus Enable Input (Active LOW)
BX
Bus Exchange Input
AX
Bus A
BX
Bus B
CX
Bus C
DX
Bus D
GND
Ground
VCC
Power
1
PS7028G
12/10/04
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