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参数资料
| 型号： | SN74LS157MEL |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封装： | EIAJ, SO-16 |
| 文件页数： | 2/7页 |
| 文件大小： | 173K |
| 代理商： | SN74LS157MEL |
SN74LS157
http://onsemi.com
2
Figure 1. Connection Diagram DIP (TOP VIEW)
Common Select Input
Enable (Active LOW) Input
Data Inputs from Source 0
Data Inputs from Source 1
Multiplexer Outputs
S
E
I0a I0d
I1a I1d
Za Zd
1.0 U.L.
0.5 U.L.
10 U.L.
0.5 U.L.
0.25 U.L.
5 U.L.
NOTES: a) 1 TTL Unit Load (U.L.) = 40 mA HIGH/1.6 mA LOW.
HIGH
LOW
(Note a)
LOADING
PIN NAMES
VCC = PIN 16
GND = PIN 8
NOTE: The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.
14
13
12
11
10
9
12345
6
7
16
15
8
VCC
S
E
I0c
I1c
Zc
I1d
I0d
Zd
I0a
I1a
Za
I0b
I1b
Zb GND
Figure 2. Logic Symbol
15 2 3 5 6 14 13 11 10
1
4
7
12
9
EI0a I1a I0b I1b I0c I1c I0d I1d
Za
Zb
Zc
Zd
S
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PDF描述 |
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| SN74LS157ND | LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16 |
| SN74LS15JDS | LS SERIES, TRIPLE 3-INPUT AND GATE, CDIP14 |
| SN74LS160ADR2 | LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16 |
| SN74LS161AD | LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16 |
| SN74LS162AD | LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LS157ML1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS157MR1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS157N | 功能描述:编码器、解码器、复用器和解复用器 Quad 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 |
| SN74LS157N | 制造商:Texas Instruments 功能描述:IC 74LS 74LS157 DIP16 |
| SN74LS157NE4 | 功能描述:编码器、解码器、复用器和解复用器 Quad 2-1-Line Data Selectors/Mltplxrs 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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