HD74HC597 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 8-bit Latch/Shift Register

HD74HC597
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
——5 —
— — 27 —
Max Unit Test Conditions
4
MHz
21
6.0
— — 31 — 24
Propagation delay t_PLH
time
t _PHL
2.0
— — 175 — 220 ns SCK or SLoad or SCLR to Q_H’
4.5
— 14 35 — 44
6.0
— — 30 — 37
2.0
— — 210 — 265 ns RCK to Q_H’
4.5
— 17 42 — 53
6.0
— — 36 — 45
Removal time
t _rem
2.0
100 — — 125 — ns
4.5
20 — – 25 —
6.0
17 — — 21 —
Setup time
t _su
2.0
100 — — 125 — ns RCK to SCK
4.5
20 — — 25 —
6.0
17 — — 21 —
2.0
100 — — 125 — ns SER to SCK
4.5
20 1 — 25 —
6.0
17 — — 21 —
2.0
100 — — 125 — ns Data to RCK
4.5
20 0 — 25 —
6.0
17 — — 21 —
Hold time
t_h
2.0
5 —— 5
— ns SCK to S_A
4.5
5 —— 5
—
6.0
5 —— 5
—
2.0
5 —— 5
— ns LCK to Data
4.5
5 —— 5
—
6.0
5 —— 5
—
Pulse width
t_w
2.0
80 — — 100 — ns
4.5
16 7 — 20 —
6.0
14 — — 17 —
5