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参数资料
| 型号： | SN74HC251DBLE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16 |
| 封装： | PLASTIC, SSOP-16 |
| 文件页数： | 11/11页 |
| 文件大小： | 175K |
| 代理商： | SN74HC251DBLE |
SN74HC251, Data Selectors/Multiplexers With 3-State Outputs
Device Status: Active
> Features
> Training
Parameter Name SN74HC251
Voltage Nodes (V) 6, 5, 2
Vcc range (V)
2.0 to 6.0
Input Level
CMOS
Output Level
CMOS
Output Drive (mA) -6/6
Output
3S
From
8
To
1
Description
These data selectors/multiplexers contain full binary decoding to select 1-of-8 data sources and feature
strobe-controlled complementary 3-state outputs.
The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of
the common outputs disabled (in the high-impedance state), the low impedance of the single enabled
output drives the bus line to a high or low logic level. Both outputs are controlled by the output-enable
(OE\) input. The outputs are disabled when OE\ is high.
The SN54HC251 is characterized for operation over the full military temperature range of -55°C to
125°C. The SN74HC251 is characterized for operation from -40°C to 85 °C.
D0, D1...D7 = the level of the respective D input
Features
Product Folder:SN74HC251, Data Selectors/Multiplexers With 3-State Outputs
file:////roarer/root/export/projects/bitting2/imagin...tch/20000914/08312000_1/TXII/08312000/sn74hc251.html (1 of 3) [9/16/2000 1:00:53 PM]
All Semiconductors
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| SN74HC251DB | HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16 |
| SN74HC257PW | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| SN74HC258PWR | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74HC251DBR | 功能描述:编码器、解码器、复用器和解复用器 Tri-State Data RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| SN74HC251DBRE4 | 功能描述:编码器、解码器、复用器和解复用器 Data w/3-State Out Selector/Multiplexer RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| SN74HC251DBRG4 | 功能描述:编码器、解码器、复用器和解复用器 Data Selectors Multiplexers RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| SN74HC251DE4 | 功能描述:编码器、解码器、复用器和解复用器 Data w/3-State Out Selector/Multiplexer RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| SN74HC251DG4 | 功能描述:编码器、解码器、复用器和解复用器 Data Selectors Multiplexers RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
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