MC74AC374 Datasheet, PDF (4/10 Pages) Motorola, Inc – OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS

MC74AC374, MC74ACT374
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74AC
74AC
Symbol
Parameter
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C
to +85°C
C_L = 50 pF
Min
Typ
Max
Min
Max
Maximum Clock
f_max
Frequency
3.3
60
110
−
60
−
5.0 100
155
−
100
−
Propagation Delay
t_PLH
CP to O_n
Propagation Delay
t_PHL
CP to O_n
t_PZH
Output Enable Time
3.3
3.0
5.0
2.5
3.3
2.5
5.0
2.0
3.3
3.0
5.0
2.0
11
13.5
1.5
15.5
8.0
9.5
1.5
10.5
10
12.5
2.0
14
7.0
9.0
1.5
10
9.5
11.5
1.5
13
7.0
8.5
1.0
9.5
t_PZL
Output Enable Time
3.3
2.5
9.0
11.5
1.5
13
5.0
2.0
6.5
8.5
1.0
9.5
t_PHZ
Output Disable Time
3.3
3.0
10.5 12.5
2.0
14.5
5.0
2.0
8.0
11
2.0
12.5
t_PLZ
Output Disable Time
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3
2.0
5.0
1.5
8.0
11.5
1.0
12.5
6.5
8.5
1.0
10
Unit
MHz
ns
ns
ns
ns
ns
ns
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
t_s
D_n to CP
Hold Time, HIGH or LOW
t_h
D_n to CP
CP Pulse Width
t_w
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
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C
to +85°C
Unit
C_L = 50 pF
Typ
Guaranteed Minimum
3.3 2.0
5.5
5.0 1.0
4.0
6.0
4.5
ns
3.3 −1.0
1.0
5.0
0
1.5
1.0
1.5
ns
3.3 4.0
5.5
5.0 2.5
4.0
6.0
4.5
ns
Fig.
No.
3−3
3−6
3−6
3−7
3−8
3−7
3−8
Fig.
No.
3−9
3−9
3−6
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