M74HC257B1R Ver la hoja de datos (PDF) - STMicroelectronics
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M74HC257B1R
STMicroelectronics
M74HC257B1R Datasheet PDF : 12 Pages
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M54/M74HC257/258
DC SPECIFICATIONS
Symbol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level
Output Voltage
VOL Low Level Output
Voltage
II
Input Leakage
Current
IOZ Output Leakage
Current
ICC Quiescent Supply
Current
Test Conditions
VCC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
VI =
VIH
IO=-20 µA
6.0 or
4.5 VIL IO=-6.0 mA
6.0
IO=-7.8 mA
2.0
4.5
VI =
VIH
IO= 20 µA
6.0 or
4.5 VIL IO= 6.0 mA
6.0
IO= 7.8 mA
6.0 VI = VCC or GND
TA = 25 oC
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 oC
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 oC
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
VI = VIH or VIL
VO = VCC or GND
6.0 VI = VCC or GND
±0.5
±5
±10
4
40
80
Unit
V
V
V
V
µA
µA
µA
5/12
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