HD74AC Datasheet, PDF (21/52 Pages) Hitachi Semiconductor – HD74AC Series Common Information

Definition of Specifications
Table 3 DC Characteristics for HD74AC Family Devices
Ta = +25°C
Ta = –40 to +85°C
Parameter
Symbol V_CC (V) Typ
Minimum
V_IH
3.0 1.5
High Level Input
4.5 2.25
Voltage
5.5 2.75
Guaranteed Limit
2.1 2.1
3.15 3.15
3.85 3.85
Unit
V
Condition
Vout = 0.1V or
V_CC –0.1V
Maximum
V_IL
Low Level Input
Voltage
3.0 1.5
4.5 2.25
5.5 2.75
0.9 0.9
1.35 1.35
1.65 1.65
V
Vout = 0.1 V or
V_CC –0.1V
Maximum
High Level
V_OH
3.0 2.99
4.5 4.49
2.9 2.9
4.4 4.4
V
I_OUT = –50 µA
Output Voltage
5.5 5.49
5.4 5.4
3.0
2.58 2.48
V
V_IN = V_IL or V_IH
4.5
3.94 3.80
–12 mA I_OH –24 mA
5.5
4.94 4.80
*¹ –24 mA
Maximum
Low Level
V_OL
3.0 0.002
4.5 0.001
0.1 0.1
0.1 0.1
V
I_OUT = 50 µ A
Output Voltage
5.5 0.001
0.1 0.1
3.0
0.32 0.37
V
V_IN = V_IL or V_IH
4.5
0.32 0.37
12 mA I_OL 24 mA
5.5
0.32 0.37
*¹ 24 mA
Maximum
I _IN
5.5
Input Leakage
Current
±0.1 ±1.0
µA
V_I = V_CC, GND
Maximum
3-State
Current
I _OZ
5.5
Minimum
I _OLD
5.5
Dynamic Output
Current *²
±0.5 ±5.0
86
µA
V_I (OE) = V_IL, V_IH
V_I = V_CC, V_GND
V_O = V_CC, GND
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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