HD74HC595 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 8-bit Shift Register/Latch (with 3-state outputs)

HD74HC595
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
— — 115 — 145 ns SCK to Q_H’
4.5
— 12 23 — 29
6.0
— — 20 — 25
t _PLH
2.0
— — 150 — 190 ns RCK to Q
t _PHL
4.5
— 17 30 — 38
6.0
— — 26 — 33
t _PLH
2.0
— — 175 — 220 ns SCLR to Q_H’
4.5
— 20 35 — 44
6.0
— — 30 — 37
Output enable
t _ZL
time
t _ZH
2.0
— — 150 — 190 ns
4.5
— 13 30 — 38
6.0
— — 26 — 33
Output disable
t _LZ
time
t _HZ
2.0
— — 150 — 190 ns
4.5
— 15 30 — 38
6.0
— — 26 — 33
Setup time
t _su
2.0
100 — — 125 — ns SER to SCK
4.5
20 1 — 25 —
6.0
17 — — 21 —
2.0
200 — — 250 — ns SCK to RCK
4.5
40 8 — 50 —
6.0
34 — — 43 —
Pulse width
t_w
2.0
80 — — 100 — ns
4.5
16 8 — 20 —
6.0
14 — — 17 —
Removal time
t _rem
2.0
100 — — 125 — ns
4.5
20 — — 25 —
6.0
17 — — 21 —
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