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MC74AC20_06 Datasheet, PDF (3/8 Pages) ON Semiconductor – Dual 4−Input NAND Gate
MC74AC20, MC74ACT20
AC CHARACTERISTICS
Symbol
Parameter
tPLH
Propagation Delay
tPHL
Propagation Delay
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC
74AC
VCC*
(V)
TA = +25°C
CL = 50 pF
Min Typ Max
TA = −40°C
to +85°C
CL = 50 pF
Min Max
Unit
3.3 2.0 6.0 8.5 1.5 10.0
5.0 1.5 5.0 7.0 1.0 8.0
ns
3.3 1.5 5.0 7.0 1.0 9.0
5.0 1.5 4.0 6.0 1.0 7.0
ns
DC CHARACTERISTICS
Symbol
Parameter
VIH
Minimum High Level
Input Voltage
VIL
Maximum Low Level
Input Voltage
VOH
Minimum High Level
Output Voltage
74ACT
74ACT
VCC
(V)
TA = +25°C
TA =
−40°C to
+85°C
Typ Guaranteed Limits
4.5
1.5 2.0
2.0
5.5
1.5 2.0
2.0
4.5
1.5 0.8
0.8
5.5
1.5 0.8
0.8
4.5 4.49 4.4
4.4
5.5 5.49 5.4
5.4
VOL
Maximum Low Level
Output Voltage
4.5
− 3.86
3.76
5.5
− 4.86
4.76
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
4.5
− 0.36
0.44
5.5
− 0.36
0.44
IIN
Maximum Input
Leakage Current
5.5
− ±0.1
±1.0
DICCT
Additional Max. ICC/Input
5.5
0.6
−
1.5
IOLD
IOHD
†Minimum Dynamic
Output Current
5.5
−
−
75
5.5
−
−
−75
ICC
Maximum Quiescent
Supply Current
5.5
−
4.0
40
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
Unit
Conditions
V
VOUT = 0.1 V
or VCC − 0.1 V
V
VOUT = 0.1 V
or VCC − 0.1 V
V
IOUT = − 50 mA
*VIN = VIL or VIH
V
− 24 mA
IOH
− 24 mA
V
IOUT = 50 mA
*VIN = VIL or VIH
V
24 mA
IOH
24 mA
mA
VI = VCC, GND
mA
VI = VCC − 2.1 V
mA
VOLD = 1.65 V Max
mA
VOHD = 3.85 V Min
mA
VIN = VCC or GND
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