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参数资料
| 型号： | MC74AC257DG |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封装： | GREEN, PLASTIC, SOIC-16 |
| 文件页数： | 9/12页 |
| 文件大小： | 181K |
| 代理商： | MC74AC257DG |
MC74AC257, MC74ACT257
http://onsemi.com
6
AC CHARACTERISTICS (For Figures and Waveforms See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
Parameter
VCC*
(V)
74AC
Unit
Fig.
No.
TA = +25°C
CL = 50 pF
TA = 40°C
to +85°C
CL = 50 pF
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
3.3
1.5
5.0
8.5
1.0
9.0
ns
35
In to Zn
5.0
1.5
4.0
6.0
1.0
7.0
tPHL
Propagation Delay
3.3
1.5
6.0
8.5
1.0
9.0
ns
35
In to Zn
5.0
1.5
4.5
6.0
1.0
7.0
tPLH
Propagation Delay
3.3
1.5
7.0
10.5
1.5
11.5
ns
36
S to Zn
5.0
1.5
5.0
7.5
1.0
8.5
tPHL
Propagation Delay
3.3
1.5
7.5
10.5
1.5
11.5
ns
36
S to Zn
5.0
1.5
5.5
7.5
1.0
8.5
tPZH
Output Enable Time
3.3
1.5
6.5
9.5
1.0
10.5
ns
37
5.0
1.5
5.0
7.5
1.0
8.5
tPZL
Output Enable Time
3.3
1.5
5.5
9.0
1.0
10.0
ns
38
5.0
1.5
5.0
8.5
1.0
9.5
tPHZ
Output Disable Time
3.3
1.5
5.5
10.0
1.0
11.0
ns
37
5.0
1.5
5.0
9.0
1.0
10.0
tPLZ
Output Disable Time
3.3
1.5
5.5
9.0
1.0
10.0
ns
38
5.0
1.5
5.0
8.0
1.0
9.0
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC74AC257DR2 | 功能描述:编码器、解码器、复用器和解复用器 2-6V Quad 2-Input 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 |
| MC74AC257DR2G | 功能描述:编码器、解码器、复用器和解复用器 2-6V Quad 2-Input Mux w/3-State Out 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 |
| MC74AC257DSC | 制造商: 功能描述: 制造商:undefined 功能描述: |
| MC74AC257DT | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Quad 2−Input Multiplexer with 3−State Outputs |
| MC74AC257DTR2 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Quad 2−Input Multiplexer with 3−State Outputs |
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