MC74AC374 Datasheet, PDF (4/7 Pages) Motorola, Inc – OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS

MC74AC374 MC74ACT374
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
fmax
Maximum Clock
Frequency
3.3 60 110
60
5.0 100 155
100
MHz
3-3
tPLH
tPHL
tPZH
Propagation Delay
CP to On
Propagation Delay
CP to On
Output Enable Time
3.3 3.0
11 13.5 1.5 15.5
ns
3-6
5.0 2.5 8.0 9.5 1.5 10.5
3.3 2.5 10 12.5 2.0 14
ns
3-6
5.0 2.0 7.0 9.0 1.5 10
3.3 3.0 9.5 11.5 1.5 13
ns
3-7
5.0 2.0 7.0 8.5 1.0 9.5
tPZL
Output Enable Time
3.3 2.5 9.0 11.5 1.5 13
ns
3-8
5.0 2.0 6.5 8.5 1.0 9.5
tPHZ
Output Disable Time
3.3 3.0 10.5 12.5 2.0 14.5
ns
3-7
5.0 2.0 8.0 11 2.0 12.5
tPLZ
Output Disable Time
3.3 2.0 8.0 11.5 1.0 12.5
ns
3-8
5.0 1.5 6.5 8.5 1.0 10
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to CP
th
Hold Time, HIGH or LOW
Dn to CP
tw
CP Pulse Width
HIGH or LOW
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC
74AC
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
3.3 2.0
5.5
5.0 1.0
4.0
3.3 –1.0
1.0
5.0
0
1.5
6.0
ns
3-9
4.5
1.0
ns
3-9
1.5
3.3 4.0
5.5
5.0 2.5
4.0
6.0
ns
3-6
4.5
FACT DATA
5-4