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HD74HC589 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 8-bit Serial of Parallel-input/Serial-output Shift Register(with 3-state outputs)
HD74HC589
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Maximum clock
frequency
Symbol
f max
VCC (V)
2.0
4.5
Min Typ Max Min
——5 —
— — 27 —
Max Unit Test Conditions
4
MHz
21
6.0
— — 32 — 25
Propagation delay tPLH
time
t PHL
2.0
— — 200 — 250 ns Latch clock to QH
4.5
— 20 40 — 50
6.0
— — 34 — 43
t PLH
2.0
— — 175 — 220 ns Shift clock to QH
t PHL
4.5
— 15 35 — 44
6.0
— — 30 — 37
t PLH
2.0
— — 175 — 220 ns Serial shift/prallel load to QH
t PHL
4.5
— 16 35 — 44
6.0
— — 30 — 37
Output enable
t ZL
time
t ZH
2.0
— — 150 — 190 ns
4.5
— 9 30 — 38
6.0
— — 26 — 33
Output disable
t LZ
time
t HZ
2.0
— — 150 — 190 ns
4.5
— 14 30 — 38
6.0
— — 26 — 33
Pulse width
tw
2.0
80 — — 100 — ns
4.5
16 8 — 20 —
6.0
14 — — 17 —
Setup time
t su
2.0
100 — — 125 — ns Data to latch clock
4.5
20 1 — 25 —
6.0
17 — — 21 —
t su
2.0
100 — — 125 — ns SA to shift clock
4.5
20 — — 25 —
6.0
17 — — 21 —
t su
2.0
100 — — 125 — ns Serial shift/parallel load to
4.5
20 — — 25 —
shift clock
6.0
17 — — 21 —
5