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MC74AC377 Datasheet PDF : 10 Pages
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MC74AC377, MC74ACT377
74AC − DC CHARACTERISTICS
Symbol
Parameter
VIH
Minimum High Level Input
Voltage
VIL
Maximum Low Level Input
Voltage
VOH
Minimum High Level Output
Voltage
VOL
Maximum Low Level Output
Voltage
VCC
(V)
TA = +25°C
TA =
−40°C to +85°C
Unit
Typ
Guaranteed Limits
3.0 1.50 2.10
2.10
V
4.5 2.25 3.15
3.15
V
5.5 2.75 3.85
3.85
V
3.0 1.50 0.90
0.90
V
4.5 2.25 1.35
1.35
V
5.5 2.75 1.65
1.65
V
3.0 2.99
2.9
2.9
V
4.5 4.49
4.4
4.4
V
5.5 5.49
5.4
5.4
V
3.0
−
2.56
2.46
V
4.5
3.86
3.76
V
5.5
4.86
4.76
V
3.0 0.002 0.1
0.1
V
4.5 0.001 0.1
0.1
V
5.5 0.001 0.1
0.1
V
3.0
−
0.36
0.44
V
4.5
0.36
0.44
V
5.5
0.36
0.44
V
IIN
Maximum Input Leakage Current 5.5
−
±0.1
±1.0
mA
IOLD
Maximum Input Leakage Current 5.5
−
IOHD
5.5
−
75
mA
−75
mA
ICC
Maximum Quiescent Supply
Current
5.5
−
8.0
80
mA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Conditions
VOUT = 0.1 V
or
VCC − 0.1 V
VOUT = 0.1 V
or
VCC − 0.1 V
IOUT = −50 mA
*VIN = VIL or VIH −12 mA
IOH
−24 mA
−24 mA
IOUT = 50 mA
*VIN = VIL or VIH −12 mA
IOH
−24 mA
−24 mA
VI = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
74AC − AC CHARACTERISTICS For Figures and Waveforms, See Figures 4, 5, and 6.
Symbol
Parameter
VCC*
(V)
TA = +25°C CL = 50 pF
Min
Typ
Max
fmax
Maximum Clock Frequency
3.3
90
−
−
5.0
140
tPLH
Propagation Delay
CP to Qn
3.3
5.0
3.0
2.0
−
13.0
9.0
tPHL
Propagation Delay
CP to Qn
3.3
5.0
3.5
2.5
−
13.0
10.0
* Voltage Range 3.3 V is 3.3 V ±0.3 V; Voltage Range 5.0 V is 5.0 V ±0.5 V.
TA = −40°C to +85°C
CL = 50 pF
Min
Max
75
−
125
1.5
14.0
1.5
10.0
2.0
14.5
1.5
11.0
Unit
MHz
ns
ns
74AC − AC OPERATING REQUIREMENTS
Symbol
Parameter
VCC*
(V)
TA = +25°C CL = 50 pF
TA = −40°C to +85°C
Unit
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
Dn to CP
3.3
5.0
−
5.5
4.07
6.0
ns
4.5
th
Hold Time, HIGH or LOW
Dn to CP
3.3
5.0
−
0
1.0
0
ns
1.0
ts
Setup Time, HIGH or LOW
CE to CP
3.3
5.0
−
6.0
4.0
7.5
ns
4.5
th
Hold Time, HIGH or LOW
CE to CP
3.3
5.0
−
0
1.0
0
ns
1.0
tw
CP Pulse Width
HIGH or LOW
3.3
5.0
−
5.5
4.0
6.0
4.5
ns
* Voltage Range 3.3 V is 3.3 V ±0.3 V; Voltage Range 5.0 V is 5.0 V ±0.5 V.
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