MC74AC273, MC74ACT273
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5
DC CHARACTERISTICS
Symbol Parameter
V
CC
(V)
74ACT 74ACT
Unit Conditions
T
A
= +25°C
T
A
=
−40°C to +85°C
Typ Guaranteed Limits
V
IH
Minimum High Level Input Voltage
4.5 1.5 2.0 2.0
V
V
OUT
= 0.1 V
5.5 1.5 2.0 2.0 or V
CC
− 0.1 V
V
IL
Maximum Low Level Input Voltage
4.5 1.5 0.8 0.8
V
V
OUT
= 0.1 V
5.5 1.5 0.8 0.8 or V
CC
− 0.1 V
V
OH
Minimum High Level Output Voltage
4.5 4.49 4.4 4.4
V
I
OUT
= −50 mA
5.5 5.49 5.4 5.4
*V
IN
= V
IL
or V
IH
4.5 − 3.86 3.76 V
I
OH
−24 mA
5.5 − 4.86 4.76 −24 mA
V
OL
Maximum Low Level Output Voltage
4.5 0.001 0.1 0.1
V
I
OUT
= 50 mA
5.5 0.001 0.1 0.1
*V
IN
= V
IL
or V
IH
4.5 − 0.36 0.44 V
I
OL
24 mA
5.5 − 0.36 0.44 24 mA
I
IN
Maximum Input Leakage Current 5.5 − ±0.1 ±1.0
mA
V
I
= V
CC
, GND
DI
CCT
Additional Max. I
CC
/Input 5.5 0.6 − 1.5 mA V
I
= V
CC
− 2.1 V
I
OLD
I
OHD
†Minimum Dynamic Output Current
5.5
5.5
−
−
−
−
75
−75
mA V
OLD
= 1.65 V Max
V
OHD
= 3.85 V Min
I
CC
Maximum Quiescent Supply Current 5.5 − 8.0 80
mA
V
IN
= V
CC
or GND
*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)
Symbol
Parameter
V
CC
*
(V)
74ACT 74ACT
Unit
Figure
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
f
max
Maximum Clock Frequency 5.0 125 200 − 125 − MHz 3−3
t
PHL
Propagation Delay Clock to Output 5.0 3.0 6.0 10 2.5 11.0 ns 3−6
t
PLH
Propagation Delay Clock to Output 5.0 3.0 6.5 11 2.5 12.0 ns 3−6
t
PHL
Propagation Delay MR to Output 5.0 3.0 7.0 11 2.5 11.5 ns 3−6
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
AC OPERATING REQUIREMENTS
Symbol Parameter
V
CC
*
(V)
74ACT 74ACT
Unit
Figure
No.
T
A
= +25°C C
L
= 50 pF
T
A
= −40°C to +85°C
C
L
= 50 pF
Typ Guaranteed Minimum
t
s
Setup Time, HIGH or LOW − Data to CP 5.0 3.0 4.5 5.0 ns 3−9
t
h
Hold Time, HIGH or LOW − Data to CP 5.0 −2.5 2.0 2.0 ns 3−9
t
w
Clock Pulse Width − HIGH or LOW 5.0 2.5 4.0 4.5 ns 3−6
t
w
MR Pulse Width − HIGH or LOW 5.0 2.5 4.0 4.5 ns 3−6
t
rec
Recovery Time − MR to CP 5.0 −1.0 2.0 3.0 ns 3−6
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol Parameter Value Typ Unit Test Conditions
C
IN
Input Capacitance 4.5 pF V
CC
= 5.0 V
C
PD
Power Dissipation Capacitance 50 pF V
CC
= 5.0 V
