ꢀ ꢁꢂ ꢃꢄ ꢅ ꢂꢆ ꢇꢈ ꢉ ꢀ ꢁꢊ ꢃ ꢄꢅꢂ ꢆ ꢇ ꢈ
ꢋꢌ ꢍꢎ ꢏ ꢍ ꢎ ꢁꢈ ꢐꢑ ꢅꢒ ꢓꢁ ꢏꢔ ꢐꢀ
ꢕꢎ ꢏ ꢄ ꢖ ꢌꢀꢏꢈꢏ ꢔ ꢒꢓꢏ ꢗꢓ ꢏ ꢐꢔ ꢘ ꢎꢀ ꢏꢔ ꢐꢀ
SCLS039F − DECEMBER 1982 − REVISED SEPTEMBER 2003
switching characteristics over recommended operating free-air temperature range, C = 50 pF
L
(unless otherwise noted) (see Figure 1)
SN74HC590A
FROM
(INPUT)
TO
(OUTPUT)
T
A
= 25°C
TYP
8
PARAMETER
V
UNIT
MHz
ns
CC
MIN
MAX
MIN
4
MAX
2 V
4.5 V
6 V
3.2
16
19
20
24
35
40
80
20
15
70
18
14
70
18
14
80
20
15
80
20
15
38
8
f
t
t
t
t
t
max
2 V
150
30
190
38
4.5 V
6 V
CCLK↑
CCLR↓
RCLK↑
OE↓
RCO
RCO
Q
pd
26
33
2 V
130
26
165
33
4.5 V
6 V
ns
PLH
pd
22
28
2 V
140
28
175
35
4.5 V
6 V
ns
24
30
2 V
125
25
155
31
4.5 V
6 V
Q
ns
en
21
26
2 V
125
25
155
31
4.5 V
6 V
OE↑
Q
ns
dis
21
26
2 V
75
95
4.5 V
6 V
15
19
RCO
Q
6
13
16
t
t
ns
2 V
38
8
60
75
4.5 V
6 V
12
15
6
10
13
8
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