English
Language : 

HD74AC374 Datasheet, PDF (5/11 Pages) Hitachi Semiconductor – Octal D-Type Flip-Flops with 3-State Output
HD74AC374/HD74ACT374
AC Operating Requirements: HD74AC374
Item
Symbol
VCC (V)*1
Ta = +25°C
CL = 50 pF
Typ
Setup time, HIGH or LOW
t su
3.3
2.0
Dn to CP
5.0
1.0
Hold time, HIGH or LOW
th
3.3
–1.0
Dn to CP
5.0
–4.0
CP pulse width, HIGH or LOW tw
3.3
4.0
5.0
2.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = –40°C
to +85°C
CL = 50 pF
Guaranteed Minimum
5.5
6.0
4.0
4.5
1.0
1.0
1.5
1.5
5.5
6.0
4.0
4.5
Unit
ns
ns
ns
AC Characteristics: HD74ACT374
Item
Maximum clock
frequency
Symbol VCC (V)*1
f max
5.0
Ta = +25°C
CL = 50 pF
Min Typ
100 160
Propagation delay
t PLH
5.0
CP to On
1.0
8.5
Propagation delay
t PHL
5.0
CP to On
1.0
8.0
Output enable time
t PZH
5.0
1.0
8.0
Output enable time
t PZL
5.0
1.0
8.0
Output disable time
t PHZ
5.0
1.0
8.5
Output disable time
t PLZ
5.0
1.0
7.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
—
10.0
9.5
9.5
9.0
11.5
8.5
Ta = –40°C to +85°C
CL = 50 pF
Min
Max
90
—
Unit
MHz
1.0
11.5
ns
1.0
11.0
ns
1.0
10.5
ns
1.0
10.5
ns
1.0
12.5
ns
1.0
10.0
ns
5