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HD74HC590 Datasheet(PDF) 6 Page - Hitachi Semiconductor

Part No. HD74HC590
Description  8-bit Binary Counter/Register (with 3-state outputs)
Download  11 Pages
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Maker  HITACHI [Hitachi Semiconductor]
Homepage  http://www.renesas.com/eng
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HD74HC590 Datasheet(HTML) 6 Page - Hitachi Semiconductor

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HD74HC590
6
AC Characteristics (C
L = 50 pF, Input tr = tf = 6 ns)
Ta = 25
°C
Ta = –40 to
+85
°C
Item
Symbol
V
CC (V)
Min Typ Max Min
Max
Unit
Test Conditions
Maximum clock
f
max
2.0
5
4
MHz
frequency
4.5
25
20
6.0
29
24
Propagation delay t
PLH
2.0
200 —
250
ns
CCK to
RCO
time
t
PHL
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
2.0
150 —
190
ns
time
t
ZH
4.5
16
30
39
6.0
26
33
Output disable
t
LZ
2.0
150 —
190
ns
time
t
HZ
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


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