MC74AC377, MC74ACT377
www.onsemi.com
5
74ACT − DC CHARACTERISTICS
Symbol Parameter
V
CC
(V)
T
A
= +255C
T
A
=
−405C to +855C
Unit Conditions
Typ Guaranteed Limits
V
IH
Minimum High Level Input Voltage 4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
V
OUT
= 0.1 V
or
V
CC
− 0.1 V
V
IL
Maximum Low Level Input Voltage 4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
V
OUT
= 0.1 V
or
V
CC
− 0.1 V
V
OH
Minimum High Level Output
Voltage
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
V
I
OUT
= −50 mA
4.5
5.5
− 3.86
4.86
3.76
4.76
V *V
IN
= V
IL
or V
IH
−24 mA
I
OH
−24 mA
V
OL
Maximum Low Level Output
Voltage
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
V
I
OUT
= 50 mA
4.5
5.5
− 0.36
0.36
0.44
0.44
V *V
IN
= V
IL
or V
IH
−24 mA
I
OH
−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 − − 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.
74ACT − AC CHARACTERISTICS For Figures and Waveforms — See Figures 4, 5, and 6.
Symbol Parameter
V
CC
*
(V)
T
A
= +25°C C
L
= 50 pF
T
A
= −40°C to +85°C
C
L
= 50 pF
Unit
Min Typ Max Min Max
f
max
Maximum Clock Frequency 5.0 140 − − 125 − MHz
t
PLH
Propagation Delay CP to Q
n
5.0 3.0 − 9.0 2.5 10 ns
t
PHL
Propagation Delay CP to Q
n
5.0 3.5 − 10 2.5 11 ns
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
74ACT − AC OPERATING REQUIREMENTS
Symbol Parameter
V
CC
*
(V)
T
A
= +25°C C
L
= 50 pF
T
A
= −40°C to +85°C
C
L
= 50 pF
Unit
Typ Guaranteed Minimum
t
s
Setup Time, HIGH or LOW D
n
to CP 5.0 − 4.5 5.5 ns
t
h
Hold Time, HIGH or LOW D
n
to CP 5.0 − 1.0 1.0 ns
t
s
Setup Time, HIGH or LOW CE to CP 5.0 − 4.5 5.5 ns
t
h
Hold Time, HIGH or LOW CE to CP 5.0 − 1.0 1.0 ns
t
w
CP Pulse Width HIGH or LOW 5.0 − 4.0 4.5 ns
*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 90 pF V
CC
= 5.0 V
