HD74HC374 Datasheet, PDF (6/11 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops (with 3-state outputs),Octal D-type Flip-flops (with inverted 3-state outputs)

HD74HC374/HD74HC534
AC Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Maximum clock
frequency
Symbol
f _max
V_CC (V)
2.0
4.5
Min Typ Max Min
——6 —
— — 30 —
Max Unit Test Conditions
5
MHz
24
6.0
— — 35 — 28
Propagation delay t_PHL
time
t _PLH
2.0
— — 140 — 175 ns
4.5
— 18 28 — 35
6.0
— — 24 — 30
Output enable
t _ZL
time
2.0
— — 150 — 190 ns
4.5
— 11 30 — 38
6.0
— — 26 — 33
t _ZH
2.0
— — 150 — 190 ns
4.5
— 14 30 — 38
6.0
— — 26 — 33
Output disable
t _LZ
time
2.0
— — 150 — 190 ns
4.5
— 13 30 — 38
6.0
— — 26 — 33
t _HZ
2.0
— — 150 — 190 ns
4.5
— 16 30 — 38
6.0
— — 26 — 33
Setup time
t _su
2.0
100 — — 125 — ns Data to Clock
4.5
20 1 — 25 —
6.0
17 — — 21 —
Hold time
t_h
2.0
25 — — 31 — ns Clock to Data
4.5
5 1 —6
—
6.0
5 —— 6
—
Pulse width
t_w
2.0
80 — — 100 — ns Clock or Output control
4.5
16 6 — 20 —
6.0
14 — — 17 —
Output rise/fall
t _TLH
time
t _THL
2.0
— — 60 — 75 ns
4.5
— 4 12 — 15
6.0
— — 10 — 13
Input capacitance Cin
—
— 5 10 — 10 pF
6