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參數資料
| 型號： | FST32253MX |
| 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, MS-012, SOIC-16 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 142K |
| 代理商： | FST32253MX |
2001 Fairchild Semiconductor Corporation
DS500472
www.fairchildsemi.com
August 2001
Revised September 2001
F
FST32253
Dual 4:1 Multiplexer/Demultiplexer Bus Switch
with 25
Series Resistor in Outputs
General Description
The Fairchild Switch FST32253 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 FST32253 has an equivalent 25
series resistor to
reduce signal-reflection noise, eliminating the need for
external terminating resistors.
Features
I
25
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:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Diagram
Pin Descriptions
Connection Diagram
Truth Table
Order Number
FST32253M
FST32253QSC
FST32253MTC
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
Pin Name
Description
OE
1
, OE
2
S
0
, S
1
A
B
1
, B
2
, B
3
, B
4
Bus Switch Enables
Select Inputs
Bus A
Bus B
S
1
X
X
L
L
H
H
S
0
X
X
L
H
L
H
OE
1
H
X
L
L
L
L
OE
2
X
H
L
L
L
L
Function
Disconnect 1A
Disconnect 2A
A
=
B
1
A
=
B
2
A
=
B
3
A
=
B
4
相關PDF資料 |
PDF描述 |
|---|---|
| FST32253QSCX | 4-Input Digital Multiplexer |
| FST32253 | Dual 4:1 Multiplexer/Demultiplexer Bus Switch with 25з Series Resistor in Outputs |
| FST3244QSC | Octal Bus Switch |
| FST3244 | Octal Bus Switch(八總線開關) |
| FST3244MTC | Octal Bus Switch |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FST32253QSC | 功能描述:編碼器、解碼器、復用器和解復用器 4:1 Bus Switch Dual Multi/Demulti RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| FST32253QSCX | 功能描述:編碼器、解碼器、復用器和解復用器 Multi/Demultiplexer Dual 4:1 RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| FST3230 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:30 AMP SCHOTTKY BARRIER RECTIFIER |
| FST3235 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Schottky Rectifier |
| FST3240 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Schottky Rectifier |
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