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参数资料
| 型号： | SN74LS42M |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | LS SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| 封装： | EIAJ, SOP-16 |
| 文件页数： | 3/7页 |
| 文件大小： | 203K |
| 代理商： | SN74LS42M |
SN74LS42
http://onsemi.com
3
FUNCTIONAL DESCRIPTION
The LS42 decoder accepts four active HIGH BCD inputs
and provides ten mutually exclusive active LOW outputs, as
shown by logic symbol or diagram. The active LOW outputs
facilitate addressing other MSI units with LOW input
enables.
The logic design of the LS42 ensures that all outputs
are HIGH when binary codes greater than nine are applied
to the inputs.
The most significant input A3 produces a useful inhibit
function when the LS42 is used as a one-of-eight decoder.
The A3 input can also be used as the Data input in an 8-output
demultiplexer application.
TRUTH TABLE
A0 A1 A2 A3 0 1 2 3 4 5 6 7 8 9
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
H = HIGH Voltage Level
L = LOW Voltage Level
相关PDF资料 |
PDF描述 |
|---|---|
| SN74LS42NE4 | LS SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| SN74LS443DW | LS SERIES, 4-BIT EXCHANGER, INVERTED OUTPUT, PDSO20 |
| SN74LS448N | LS SERIES, 4-BIT EXCHANGER, TRUE OUTPUT, PDIP20 |
| SN74LS441FN | LS SERIES, 4-BIT EXCHANGER, INVERTED OUTPUT, PQCC20 |
| SNJ54LS443FK | LS SERIES, 4-BIT EXCHANGER, INVERTED OUTPUT, CQCC20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LS42N | 功能描述:编码器、解码器、复用器和解复用器 4 to 10 BCD 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 |
| SN74LS42N | 制造商:Texas Instruments 功能描述:Decoder / Encoder / Multiplexer / Demult |
| SN74LS42NE4 | 功能描述:编码器、解码器、复用器和解复用器 4-Ln BCD To 10-Ln Decimal Decoders 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 |
| SN74LS42NS | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| SN74LS42NSR | 功能描述:编码器、解码器、复用器和解复用器 4-Ln BCD To 10-Ln Decimal Decoders 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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