參數(shù)資料
型號: FST3384A
文件頁數(shù): 36/178頁
文件大?。?/td> 3973K
代理商: FST3384A
1999 Fairchild Semiconductor Corporation
DS500037
www.fairchildsemi.com
July 1997
Revised December 1999
F
FST16211
24-Bit Bus Switch
General Description
The Fairchild Switch FST16211 provides 24-bits of high-
speed CMOS TTL-compatible bus switching. The low on
resistance of the switch allows inputs to be connected to
outputs without adding propagation delay or generating
additional ground bounce noise.
The device is organized as a 12-bit or 24-bit bus switch.
When OE
1
is LOW, the switch is ON and Port 1A is con-
nected to Port 1B. When OE
2
is LOW, Port 2A is connected
to Port 2B.
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.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Truth Table
Connection Diagram
Pin Descriptions
Order Number
FST16211MEA
FST16211MTD
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
Inputs
Inputs/Outputs
OE
1
L
L
H
H
OE
2
L
H
L
H
1A, 1B
2A, 2B
1A
=
1B
1A
=
1B
Z
Z
2A
=
2B
Z
2A
=
2B
Z
Pin Name
Description
OE
1
, OE
2
1A, 2A
1B, 2B
Bus Switch Enables
Bus A
Bus B
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