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零件编号
产品描述 (功能)
M74HC257 查看數據表(PDF) - STMicroelectronics
零件编号
产品描述 (功能)
比赛名单
M74HC257
HC258 QUAD 2 CHANNEL MULTIPLEXER (3-STATE, INVERTING) HC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE)
STMicroelectronics
M74HC257 Datasheet PDF : 12 Pages
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M54/M74HC257/258
DC SPECIFICATIONS
Symbol
Parameter
V
IH
High Level Input
Voltage
V
IL
Low Level Input
Voltage
V
OH
High Level
Output Voltage
V
OL
Low Level Output
Voltage
I
I
Input Leakage
Current
I
OZ
Output Leakage
Current
I
CC
Quiescent Supply
Current
Test Conditions
V
CC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
V
I
=
V
IH
I
O
=-20
µ
A
6.0 or
4.5
V
IL
I
O
=-6.0 mA
6.0
I
O
=-7.8 mA
2.0
4.5
V
I
=
V
IH
I
O
= 20
µ
A
6.0 or
4.5
V
IL
I
O
= 6.0 mA
6.0
I
O
= 7.8 mA
6.0
V
I
= V
CC
or GND
T
A
= 25
o
C
54HC and 74HC
Min. Typ. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9 2.0
4.4 4.5
5.9 6.0
4.18 4.31
5.68 5.8
0.0 0.1
0.0 0.1
0.0 0.1
0.17 0.26
0.18 0.26
±
0.1
Value
-40 to 85
o
C
74HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.13
5.63
0.1
0.1
0.1
0.33
0.33
±
1
-55 to 125
o
C
54HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.10
5.60
0.1
0.1
0.1
0.40
0.40
±
1
6.0
V
I
= V
IH
or V
IL
V
O
= V
CC
or GND
6.0 V
I
= V
CC
or GND
±
0.5
±
5
±
10
4
40
80
Unit
V
V
V
V
µ
A
µ
A
µ
A
5/12
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