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FST3257 数据表(PDF) 3 Page - ON Semiconductor

部件名 FST3257
功能描述  Quad 2:1 Multiplexer / Demultiplexer Bus Switch
PDF  12 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

FST3257 数据表(HTML) 3 Page - ON Semiconductor

  FST3257 Datasheet HTML 1Page - ON Semiconductor FST3257 Datasheet HTML 2Page - ON Semiconductor FST3257 Datasheet HTML 3Page - ON Semiconductor FST3257 Datasheet HTML 4Page - ON Semiconductor FST3257 Datasheet HTML 5Page - ON Semiconductor FST3257 Datasheet HTML 6Page - ON Semiconductor FST3257 Datasheet HTML 7Page - ON Semiconductor FST3257 Datasheet HTML 8Page - ON Semiconductor FST3257 Datasheet HTML 9Page - ON Semiconductor Next Button
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© 1997 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FST3257 • Rev. 1.0.3
2
Pin Assignments
Figure 2. Connection Diagram
Figure 1. Logic Diagram
Pin Descriptions
Pin #
Names
Description
1
S
Select Input
2, 3, 5, 6, 10, 11, 13, 14
1B1, 1B2 ,2B1, 2B2, 3B1, 3B2, 4B1, 4B2
Bus B
4, 7, 9, 12
1A, 2A, 3A, 4A
Bus A
8
GND
Ground
15
/OE
Bus Switch Enables
16
VCC
Supply Voltage
Truth Table
Select Inputs
Bus Switch Enabled
Function
S
Logic Level HIGH
Disconnected
Logic Level LOW
Logic Level LOW
A=B1
Logic Level HIGH
Logic Level LOW
A=B2



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