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參數(shù)資料
| 型號(hào)： | FSTU3253QSCX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Input Digital Multiplexer |
| 中文描述： | CBT/FST/QS/5C/B SERIES, DUAL MULTIPLEXER, PDSO16 |
| 封裝： | 0.150 INCH, MO-137, QSOP-16 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 212K |
| 代理商： | FSTU3253QSCX |
2001 Fairchild Semiconductor Corporation
DS500475
www.fairchildsemi.com
August 2001
Revised September 2001
F
2
FSTU3253
Dual 4:1 Multiplexer/Demultiplexer Bus Switch
with
2V Undershoot Protection
General Description
The Fairchild Switch FSTU3253 is a dual 4:1 high-speed
CMOS TTL-compatible multiplexer/demultiplexer bus
switch. The low On Resistance of the switch allows inputs
to be connected to outputs without adding propagation
delay or generating additional ground bounce noise.
When OE is LOW, S
0
and S
1
connect the A Port to the
selected B Port output. When OE is HIGH, the switch is
OPEN and a high-impedance state exists between the two
ports.
The A and B Ports are protected against undershoot to
support an extended range to 2.0V below ground.
Fairchild’s
integrated
Undershoot
(UHC
) senses undershoot at the I/O and responds by
preventing voltage differentials from developing and turn-
ing the switch on.
Hardened
Circuit
Features
I
Undershoot hardened to
2.0V
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
See application note AN-5008 and AN-5021 for details
on undershoot
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter
“
X
”
to the ordering code.
Order Number
FSTU3253M
FSTU3253QSC
FSTU3253MTC
Package Number
M16A
MQA16
MTC16
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
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