MC74ACT377MEL Datasheet, PDF (4/12 Pages) ON Semiconductor – Octal D Flip-Flop with Clock Enable

MC74AC377, MC74ACT377
74AC – DC CHARACTERISTICS
Symbol
Parameter
TA = +25°C
TA =
–40°C to +85°C
VCC (V) ^{Typ Guaranteed Limits}
Unit
Conditions
VIH
Minimum High Level Input Voltage
3.0 1.50 2.10
2.10
4.5 2.25 3.15
3.15
5.5 2.75 3.85
3.85
V
VOUT = 0.1 V
V
or
V
VCC – 0.1 V
VIL
Maximum Low Level Input Voltage
3.0 1.50 0.90
0.90
4.5 2.25 1.35
1.35
5.5 2.75 1.65
1.65
V
VOUT = 0.1 V
V
or
V
VCC – 0.1 V
VOH
Minimum High Level Output Voltage
3.0 2.99 2.9
2.9
4.5 4.49 4.4
4.4
5.5 5.49 5.4
5.4
V
IOUT = –50 µA
V
V
3.0
2.56
2.46
V
*VIN = VIL or VIH –12 mA
4.5
3.86
3.76
V
IOH
–24 mA
5.5
4.86
4.76
V
–24 mA
VOL
Maximum Low Level Output Voltage
3.0 0.002 0.1
0.1
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
V
IOUT = 50 µA
V
V
3.0
0.36
0.44
V
*VIN = VIL or VIH –12 mA
4.5
0.36
0.44
V
IOH
–24 mA
5.5
0.36
0.44
V
–24 mA
IIN
Maximum Input Leakage Current
5.5
±0.1
±1.0
µA
IOLD Maximum Input Leakage Current
5.5
IOHD
5.5
75
mA
–75
mA
ICC
Maximum Quiescent Supply Current
5.5
8.0
80
µA
*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.
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.
TA = +25°C
CL = 50 pF
TA = –40°C to +85°C
CL = 50 pF
Symbol
Parameter
VCC* (V) ^Min
Typ
Max
Min
Max
Unit
fmax
Maximum Clock Frequency
3.3
90
5.0
140
75
125
MHz
tPLH
Propagation Delay
CP to Qn
3.3
5.0
3.0
2.0
13.0
9.0
1.5
1.5
14.0
10.0
ns
tPHL
Propagation Delay
CP to Qn
3.3
5.0
3.5
2.5
* Voltage Range 3.3 V is 3.3 V ±0.3 V; Voltage Range 5.0 V is 5.0 V ±0.5 V.
13.0
10.0
2.0
1.5
14.5
11.0
ns
74AC – AC OPERATING REQUIREMENTS
Symbol
Parameter
TA = +25°C
CL = 50 pF
TA = –40°C to +85°C
VCC* (V) ^Typ
Guaranteed Minimum
Unit
ts
Setup Time, HIGH or LOW
Dn to CP
3.3
5.0
5.5
6.0
ns
4.0
4.5
th
Hold Time, HIGH or LOW
3.3
Dn to CP
5.0
0
0
ns
1.0
1.0
ts
Setup Time, HIGH or LOW
CE to CP
3.3
5.0
6.0
7.5
ns
4.0
4.5
th
Hold Time, HIGH or LOW
CE to CP
3.3
5.0
0
0
ns
1.0
1.0
tw
CP Pulse Width
HIGH or LOW
3.3
5.0
5.5
4.0
* Voltage Range 3.3 V is 3.3 V ±0.3 V; Voltage Range 5.0 V is 5.0 V ±0.5 V.
6.0
4.5
ns
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