HD74HC590 Datasheet, PDF (6/11 Pages) Hitachi Semiconductor – 8-bit Binary Counter/Register (with 3-state outputs)

HD74HC590
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 —
— — 25 —
Max Unit Test Conditions
4
MHz
20
6.0
— — 29 — 24
Propagation delay t_PLH
time
t _PHL
2.0
— — 200 — 250 ns CCK to RCO
4.5
— 18 40 — 50
6.0
— — 34 — 43
t _PLH
2.0
— — 250 — 315 ns CCLR to RCO
4.5
— 17 50 — 63
6.0
— — 43 — 54
t _PLH
2.0
— — 200 — 250 ns RCK to Q
t _PHL
4.5
— 18 40 — 50
6.0
— — 34 — 43
Output enable
t _ZL
time
t _ZH
2.0
— — 150 — 190 ns
4.5
— 16 30 — 39
6.0
— — 26 — 33
Output disable
t _LZ
time
t _HZ
2.0
— — 150 — 190 ns
4.5
— 17 30 — 38
6.0
— — 26 — 33
Pulse width
t_w
2.0
80 — — 100 — ns
4.5
16 6 — 20 —
6.0
14 — — 17 —
Removal time
t _rem
2.0
5 —— 5
— ns CCLR to CCK
4.5
5 —— 5
—
6.0
5 —— 5
—
Setup time
t _su
2.0
100 — — 125 — ns CCKEN to CCK
4.5
20 –3 — 25 —
6.0
17 — — 21 —
2.0
200 — — 250 — ns CCK to RCK
4.5
40 10 — 50 —
6.0
34 — — 43 —
6