M54/M74HC7240/7241/7244
DC SPECIFICATIONS
Test Conditions
VCC
Value
TA = 25 oC
54HC and 74HC
-40 to 85 oC -55 to 125 oC
Symbol
Parameter
Unit
74HC
54HC
(V)
Min. Typ. Max. Min. Max. Min. Max.
VP
High Level
Threshold
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
1.0
2.3
3.0
0.3
1.13
1.5
0.3
0.6
0.8
1.9
4.4
5.9
1.25
2.7
3.5
0.65
1.6
2.3
0.6
1.1
1.2
2.0
4.5
6.0
1.5
3.15
4.2
0.9
2.0
2.6
1.0
1.4
1.7
1.0
2.3
1.5
3.15
4.2
0.9
2.0
2.6
1.0
1.4
1.7
1.0
2.3
1.5
3.15
4.2
0.9
2.0
2.6
1.0
1.4
1.7
V
V
V
3.0
3.0
VN
VH
Low Level
Threshold
Voltage
0.3
0.3
1.13
1.5
1.13
1.5
Hysteresis
Voltage
0.3
0.3
0.6
0.6
0.8
0.8
VOH
High Level
Output Voltage
1.9
1.9
VI =
VIH
or
IO=-20 µA
4.4
4.4
V
V
5.9
5.9
VIL
IO=-6.0 mA 4.18 4.31
4.13
5.63
4.10
5.60
IO=-7.8 mA 5.68
5.8
0.0
0.0
0.0
VOL
Low Level Output 2.0
Voltage
0.1
0.1
0.1
0.1
0.1
0.1
0.1
IO= 20 µA
4.5
6.0
4.5
6.0
0.1
0.1
IO= 6.0 mA
IO= 7.8 mA
0.17 0.26
0.18 0.26
±0.1
0.33
0.33
±1
0.40
0.40
±1
II
Input Leakage
6.0
VI = VIH or VIL
VO = VCC or GND
µA
µA
µA
Current
IOZ
ICC
3 State Output
6.0
VI = VCC or GND
±0.5
±5
±10
Off State Current
Quiescent Supply 6.0 VI = VCC or GND
Current
4
40
80
5/12
STMICROELECTRONICS [ ST ]
