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參數(shù)資料
| 型號： | IN74ACT257D |
| 廠商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS |
| 中文描述： | 四2輸入數(shù)據(jù)選擇器/多路轉換具有三態(tài)輸出 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大?。?/td> | 176K |
| 代理商： | IN74ACT257D |
IN74ACT257
4
AC ELECTRICAL CHARACTERISTICS
(V
CC
=5.0 V
±
10%, C
L
=50pF, Input t
r
=t
f
=3.0 ns)
Symbol
Parameter
Guaranteed Limits
25
°
C
-40
°
C to
85
°
C
Min
1.0
Unit
Min
1.5
Max
7.0
Max
7.5
t
PLH
Propagation Delay, Nibble A or B to Output Y
(Figure 1)
Propagation Delay, Nibble A or B to Output Y
(Figure 1)
Propagation Delay, Select to Output Y
(Figure 2)
Propagation Delay, Select to Output Y
(Figure 2)
Propagation Delay, Output Enable to Output Y
(Figure 3)
Propagation Delay, Output Enable to Output Y
(Figure 3)
Propagation Delay, Output Enable to Output Y
(Figure 3)
Propagation Delay, Output Enable to Output Y
(Figure 3)
Maximum Input Capacitance
ns
t
PHL
2.0
7.5
1.5
8.5
ns
t
PLH
2.0
9.5
1.5
10.5
ns
t
PHL
2.5
10.5
2.0
11.5
ns
t
PZH
2.0
8.0
1.5
9.0
ns
t
PZL
2.0
8.0
1.5
9.0
ns
t
PHZ
2.5
9.0
1.5
10.0
ns
t
PLZ
2.0
7.5
1.5
8.5
ns
C
IN
4.5
4.5
pF
Power Dissipation Capacitance
Typical @25
°
C,V
CC
=5.0 V
50
C
PD
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
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相關代理商/技術參數(shù) |
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|---|---|
| IN74ACT257N | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS |
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| IN74ACT258D | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS |
| IN74ACT258N | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS |
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