HD74HC590 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 8-bit Binary Counter/Register (with 3-state outputs)

HD74HC590
Switching Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Item
Maximum clock
frequency
Propagation delay
time
Output enable
time
Output disable
time
Pulse width
Removal time
Setup time
Hold time
Output rise/fall
time
Input capacitance
Symbol VCC (V)
fmax
2.0
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tPLH
2.0
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tZL
2.0
tZH
4.5
6.0
tLZ
2.0
tHZ
4.5
6.0
tw
2.0
4.5
6.0
trem
2.0
4.5
6.0
tsu
2.0
4.5
6.0
2.0
4.5
6.0
th
2.0
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
—
Ta = 25°C
Min Typ Max
—— 5
— — 25
— — 29
— — 200
— 18 40
— — 34
— — 250
— 17 50
— — 43
— — 200
— 18 40
— — 34
— — 150
— 16 30
— — 26
— — 150
— 17 30
— — 26
80 — —
16 6 —
14 — —
5
——
5
——
5
——
100 — —
20 –3 —
17 — —
200 — —
40 10 —
34 — —
5
——
5
——
5
——
— — 60
— 4 12
— — 10
— — 75
— 5 15
— — 13
— 5 10
Ta = –40 to +85°C
Min
Max Unit
Test Conditions
—
4 MHz
—
20
—
24
—
250 ns CCK to RCO
—
50
—
43
—
315 ns CCLR to RCO
—
63
—
54
—
250 ns RCK to Q
—
50
—
43
—
190 ns
—
39
—
33
—
190 ns
—
38
—
33
100
—
ns
20
—
17
—
5
—
ns CCLR to CCK
5
—
5
—
125
—
ns CCKEN to CCK
25
—
21
—
250
—
ns CCK to RCK
50
—
43
—
5
—
ns CCKEN to CCK
5
—
CCK to RCK
5
—
—
75
ns Q
—
15
—
13
—
95
ns RCO
—
19
—
16
—
10
pF
Rev.2.00 Mar 30, 2006 page 5 of 9