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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： | 4/7页 |
| 文件大小： | 173K |
| 代理商： | SN74LS157MEL |
SN74LS157
http://onsemi.com
4
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
0.65
1.5
V
VCC = MIN, IIN = 18 mA
VOH
Output HIGH Voltage
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOL
Output LOW Voltage
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
0.35
0.5
V
IOL = 8.0 mA
IIH
Input HIGH Current
I0, I1
E, S
20
40
μA
VCC = MAX, VIN = 2.7 V
I0, I1
E, S
0.1
0.2
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
I0, I1
E, S
0.4
0.8
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 2)
20
100
mA
VCC = MAX
ICC
Power Supply Current
16
mA
VCC = MAX
2. Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tPLH
tPHL
Propagation Delay
Data to Output
9.0
14
ns
Figure 2
VCC = 5.0 V
CL = 15 pF
tPLH
tPHL
Propagation Delay
Enable to Output
13
14
20
21
ns
Figure 1
tPLH
tPHL
Propagation Delay
Select to Output
15
18
23
27
ns
Figure 2
AC WAVEFORMS
Figure 1.
Figure 2.
VIN
VOUT
1.3 V
tPHL
1.3 V
tPLH
1.3 V
VIN
VOUT
1.3 V
tPHL
1.3 V
tPLH
1.3 V
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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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