MC74AC273, MC74ACT273
DC CHARACTERISTICS
74ACT
Symbol
Parameter
V
CC
(V)
T
A
= +25°C
Typ
V
IH
V
IL
V
OH
Minimum High Level Input Voltage
Maximum Low Level Input Voltage
Minimum High Level Output Voltage
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
V
OL
Maximum Low Level Output Voltage
4.5
5.5
4.5
5.5
I
IN
DI
CCT
I
OLD
I
OHD
I
CC
Maximum Input Leakage Current
Additional Max. I
CC
/Input
†Minimum Dynamic Output Current
Maximum Quiescent Supply Current
5.5
5.5
5.5
5.5
5.5
1.5
1.5
1.5
1.5
4.49
5.49
−
−
0.001
0.001
−
−
−
0.6
−
−
−
74ACT
T
A
=
−40°C to +85°C
Unit
Conditions
Guaranteed Limits
2.0
2.0
0.8
0.8
4.4
5.4
3.86
4.86
0.1
0.1
0.36
0.36
±0.1
−
−
−
8.0
2.0
2.0
0.8
0.8
4.4
5.4
3.76
4.76
0.1
0.1
0.44
0.44
±1.0
1.5
75
−75
80
V
V
V
V
OUT
= 0.1 V
or V
CC
− 0.1 V
V
OUT
= 0.1 V
or V
CC
− 0.1 V
I
OUT
= −50
mA
*V
IN
= V
IL
or V
IH
I
OH
−24 mA
−24 mA
I
OUT
= 50
mA
*V
IN
= V
IL
or V
IH
24 mA
I
OL
24 mA
V
I
= V
CC
, GND
V
I
= V
CC
− 2.1 V
V
OLD
= 1.65 V Max
V
OHD
= 3.85 V Min
V
IN
= V
CC
or GND
V
V
V
mA
mA
mA
mA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS
(For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT
Symbol
Parameter
V
CC
*
(V)
T
A
= +25°C C
L
= 50 pF
Min
f
max
t
PHL
t
PLH
t
PHL
Maximum Clock Frequency
Propagation Delay Clock to Output
Propagation Delay Clock to Output
Propagation Delay MR to Output
5.0
5.0
5.0
5.0
125
3.0
3.0
3.0
Typ
200
6.0
6.5
7.0
Max
−
10
11
11
74ACT
T
A
= −40°C to +85°C
C
L
= 50 pF
Min
125
2.5
2.5
2.5
Max
−
11.0
12.0
11.5
MHz
ns
ns
ns
3−3
3−6
3−6
3−6
Unit
Figure
No.
*Voltage Range 5.0 V is 5.0 V
±0.5
V.
AC OPERATING REQUIREMENTS
74ACT
Symbol
Parameter
V
CC
*
(V)
T
A
= +25°C C
L
= 50 pF
Typ
t
s
t
h
t
w
t
w
t
rec
Setup Time, HIGH or LOW − Data to CP
Hold Time, HIGH or LOW − Data to CP
Clock Pulse Width − HIGH or LOW
MR Pulse Width − HIGH or LOW
Recovery Time − MR to CP
5.0
5.0
5.0
5.0
5.0
3.0
−2.5
2.5
2.5
−1.0
74ACT
T
A
= −40°C to +85°C
C
L
= 50 pF
5.0
2.0
4.5
4.5
3.0
Unit
Figure
No.
Guaranteed Minimum
4.5
2.0
4.0
4.0
2.0
ns
ns
ns
ns
ns
3−9
3−9
3−6
3−6
3−6
*Voltage Range 5.0 V is 5.0 V
±0.5
V.
CAPACITANCE
Symbol
C
IN
C
PD
Input Capacitance
Power Dissipation Capacitance
Parameter
Value Typ
4.5
50
Unit
pF
pF
Test Conditions
V
CC
= 5.0 V
V
CC
= 5.0 V
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