MC74AC08, MC74ACT08
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4
DC CHARACTERISTICS
Symbol
Parameter Conditions
V
CC
(V)
74ACT 74ACT
Unit
T
A
= +25°C
T
A
=
−40°C to
+85°C
Typ Guaranteed Limits
V
IH
Minimum High Level
Input Voltage
V
OUT
= 0.1 V 4.5 1.5 2.0 2.0
V
or V
CC
− 0.1 V 5.5 1.5 2.0 2.0
V
IL
Maximum Low Level
Input Voltage
V
OUT
= 0.1 V 4.5 1.5 0.8 0.8
V
or V
CC
− 0.1 V 5.5 1.5 0.8 0.8
V
OH
Minimum High Level
Output Voltage
I
OUT
= −50 mA
4.5 4.49 4.4 4.4
V
5.5 5.49 5.4 5.4
V
IN
= V
IL
or V
IH
(Note 6)
V
−24 mA 4.5 − 3.86 3.76
−24 mA 5.5 − 4.86 4.76
V
OL
Maximum Low Level
Output Voltage
I
OUT
= 50 mA
4.5 0.001 0.1 0.1
V
5.5 0.001 0.1 0.1
V
IN
= V
IL
or V
IH
(Note 6)
V
24 mA 4.5 − 0.36 0.44
24 mA 5.5 − 0.36 0.44
I
IN
Maximum Input
Leakage Current
V
I
= V
CC
, GND 5.5 − ±0.1 ±1.0
mA
DI
CCT
Additional Max. I
CC
/Input V
I
= V
CC
− 2.1 V 5.5 0.6 − 1.5 mA
I
OLD
Minimum Dynamic (Note 7)
Output Current
V
OLD
= 1.65 V Max 5.5 − − 75 mA
I
OHD
V
OHD
= 3.85 V Min 5.5 − − −75 mA
I
CC
Maximum Quiescent
Supply Current
V
IN
= V
CC
or GND 5.5 − 4.0 40
mA
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
6. All outputs loaded; thresholds on input associated with output under test.
7. Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS
Symbol Parameter
V
CC
(V
(Note 8
74ACT 74ACT
Unit
Fig.
No.
T
A
= +25°C
C
L
= 50 pF
T
A
= −40°C
to +85°C
C
L
= 50 pF
Min Typ Max Min Max
t
PLH
Propagation Delay 5.0 1.0 − 9.0 1.0 10.0 ns 3−5
t
PHL
Propagation Delay 5.0 1.0 − 9.0 1.0 10.0 ns 3−5
8. Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol Parameter Test Conditions
Value
Typ
Unit
C
IN
Input Capacitance V
CC
= 5.0 V 4.5 pF
C
PD
Power Dissipation Capacitance V
CC
= 5.0 V 20 pF
