HD74AC Datasheet, PDF (22/52 Pages) Hitachi Semiconductor – HD74AC Series Common Information

Definition of Specifications
Table 4 DC Characteristics for HD74ACT Family Devices
Ta = +25°C
Ta = –40 to +85°C
Parameter
Minimum High
Level Input
Voltage
Symbol V_CC (V) Typ
V_IH
4.5 1.5
5.5 1.5
Guaranteed Limit
2.0 2.0
2.0 2.0
Unit
V
Condition
V_OUT = 0.1V or
V_CC –0.1V
Maximum Low V_IL
Level Input
Voltage
4.5 1.5
5.5 1.5
0.8 0.8
0.8 0.8
V
V_OUT = 0.1 V or
V_CC –0.1V
Maximum High V_OH
Level
4.5 4.49
5.5 5.49
4.4 4.4
5.4 5.4
V
I_OUT = –50 µA
Output Voltage
4.5
5.5
3.94 3.80
4.94 4.80
V
V_IN = V_IL or V_IH
I_OH –24 mA
*¹ –24 mA
Maximum Low V_OL
Level Output
4.5 0.001
5.5 0.001
0.1 0.1
0.1 0.1
V
I_OUT = 50 µA
Voltage
4.5
0.32 0.37
V
V_IN = V_IL or V_IH
5.5
0.32 0.37
I_OL 24 mA
*¹ 24 mA
Maximum
I _IN
5.5
Input Current
±0.1 ±1.0
µA
V_I = V_CC, GND
Maximum 3-
I _OZ
State Current
Maximum
I _CCT
I_CC/Input Current
Minimum
I _OLD
Dynamic Output
Current *²
5.5
5.5 0.6
5.5
±0.5 ±5.0
1.5
86
µA
V_I = V_IL, V_IH
V_O = V_CC, GND
mA
V_I = V_CC – 2.1V
mA
V_OLD = 1.1 V
I _OHD
5.5
–75
mA
V_OHD = 3.85 V
Notes: 1. All outputs loaded; thresholds on input associated with output under test.
2. Maximum test duration 2.0 ms, one output loaded at a time.
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