參數(shù)資料
型號: FST3384A
文件頁數(shù): 69/178頁
文件大小: 3973K
代理商: FST3384A
1999 Fairchild Semiconductor Corporation
DS500104
www.fairchildsemi.com
July 1997
Revised December 1999
F
FST16292
12-Bit to 24-Bit Multiplexer/Demultiplexer Bus Switch
General Description
The Fairchild Switch FST16292 provides twelve 2:1 high-
speed CMOS TTL-compatible multiplexer/demultiplexer
bus switches. The low on resistance of the switch allows
inputs to be connected to outputs without adding propaga-
tion delay or generating additional ground bounce noise.
The select pin connects the A Port to the selected B Port
output. The A
2
Ports are not externally connected, thus
have a 500
pull-down resistor to ground.
Features
I
4
switch connection between two ports.
I
Minimal propagation delay through the switch.
I
Low l
CC
.
I
Zero bounce in flow-through mode.
I
Control inputs compatible with TTL level.
I
Internal 500
pull-down resistor on A
2
port.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Pin Descriptions
Connection Diagram
Truth Table
Order Number
FST16292MEA
FST16292MTD
Package Number
MS56A
MTD56
Package Description
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Pin Name
SO
A
1
B
1
, B
2
Description
Data-select input
Bus A
Bus B
S0
A
1
B
1
B
2
A
2
B
2
B
1
Function
L
H
A
1
=
B
1
, A
2
=
B
2
A
1
=
B
2
, A
2
=
B
1
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