PI5C32X384A Ver la hoja de datos (PDF) - Pericom Semiconductor Corporation
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PI5C32X384A Datasheet PDF : 3 Pages
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PI5C32X384/PI5C32X384C
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PI5C32X384/32X384C
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20-Bit, 2-Port BusSwitch
Product Features
• Near-zero propagation delay
• 5Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra-low quiescent power 32X384 (0.2 µA typical)
– Ideally suited for notebook applications
• Packages available:
– 48-pin 150-mil wide plastic BQSOP (B)
– 48-pin 240-mil wide plastic TSSOP (A)
Logic Block Diagram
Product Description
Pericom Semiconductor’s PI5C series of BusSwitch circuits are
produced using the Company’s advanced submicron CMOS
technology, achieving industry leading performance.
The 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.
Product Pin Configuration
A0
B0
A5
A4
B4
A9
A15
B15
A10
A19
B19
A14
BEA
BEB
BEC
BED
Truth Table(1)
Function
BEA BEB
Disconnect
HH
Connect
LH
Connect
HL
Connect
L
L
Function
BEC BED
Disconnect
HH
Connect
LH
Connect
HL
Connect
L
L
Note:
1.H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
B4–B0
Hi-Z
A4-A0
Hi-Z
A4-A0
B9–B5
Hi-Z
A9-A5
Hi-Z
A9-A5
B19-B15
Hi-Z
Hi-Z
A19-A15
A19-A15
B14-B10
Hi-Z
Hi-Z
A14-A10
A14-A10
B5
BEA 1
48 VCC
B0 2
47 B19
A0 3
46 A19
B9
A1 4
45 A18
B1 5
44 B18
B10
B2 6
43 B17
A2 7
42 A17
A3 8
41 A16
B14
B3 9
40 B16
B4 10 48-Pin 39 B15
A4 11
38 A15
GND 12
37 BEB
BEC 13
36 VCC
B5 14
35 B14
A5 15
34 A14
A6 16
33 A13
B6 17
32 B13
B7 18
31 B12
A7 19
30 A12
A8 20
29 A11
B8 21
28 B11
B9 22
27 B10
A9 23
26 A10
GND 24
25 BED
Product Pin Description
Pin Name
BEx
A19-A0
B19-B0
GND
VCC
Description
Bus Enable Inputs (Active LOW)
Bus A
Bus B
Ground
Power
1
PS7027D 05/10/99
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