HD74AC374 Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – Octal D-Type Flip-Flops with 3-State Output

HD74AC374/HD74ACT374
AC Operating Requirements: HD74AC374
Ta = –40°C
Ta = +25°C
to +85°C
C_L = 50 pF
C_L = 50 pF
Item
Symbol V_CC (V)*¹
Typ
Guaranteed Minimum
Setup time, HIGH or LOW
t_su
3.3
2.0
5.5
6.5
ns
D_n to CP
5.0
1.0
4.0
4.5
Hold time, HIGH or LOW
t_h
3.3
–1.0
1.0
1.0
ns
D_n to CP
5.0
–4.0
1.5
1.5
CP pulse width, HIGH or LOW t_w
3.3
4.0
5.5
6.0
ns
5.0
2.5
4.0
4.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Unit
AC Characteristics: HD74ACT374
Ta = +25°C
Ta = –40°C to +85°C
Item
Maximum clock
frequency
Symbol V_CC (V)*¹
f_max
5.0
C_L = 50 pF
Min Typ Max
100 160 —
C_L = 50 pF
Min
Max
90
—
MHz
Unit
Propagation delay
t_PLH
5.0
1.0 8.5 10.0 1.0
CP to O_n
Propagation delay
t_PHL
5.0
1.0 8.0 9.5 1.0
CP to O_n
Output enable time
t_ZH
5.0
1.0 8.0 9.5 1.0
Output enable time
t_ZL
5.0
1.0 8.0 9.0 1.0
Output disable time
t_HZ
5.0
1.0 8.5 11.5 1.0
Output disable time
t_LZ
5.0
1.0 7.0 8.5 1.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
11.5
ns
11.0
ns
10.5
ns
10.5
ns
12.5
ns
10.0
ns
AC Operating Requirements: HD74ACT374
Ta = –40°C
Ta = +25°C
to +85°C
Item
Symbol V_CC (V)*¹
C_L = 50 pF
C_L = 50 pF
Typ
Guaranteed Minimum
Setup time, HIGH or LOW
t_su
5.0
1.0
7.0
5.5
ns
D_n to CP
Hold time, HIGH or LOW
t_h
5.0
0.0
1.5
1.5
ns
D_n to CP
CP pulse width, HIGH or LOW t_w
5.0
2.0
7.0
5.0
ns
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Unit
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
C_IN
C_PD
Typ
4.5
80.0
Unit
pF
pF
V_CC = 5.5 V
V_CC = 5.0 V
Condition
Rev.2.00, Jul.16.2004, page 6 of 9