ꢀꢁ ꢂꢃ ꢄꢅ ꢂ ꢆꢇ ꢈ ꢉ ꢀꢁꢊ ꢃꢄ ꢅꢂ ꢆꢇ ꢈ
ꢋ ꢌꢍꢎ ꢏ ꢍꢎ ꢁꢈꢐꢑ ꢅ ꢒꢓ ꢁ ꢏꢔ ꢐꢀ
ꢕ ꢎꢏ ꢄ ꢖ ꢌꢀꢏꢈꢏ ꢔ ꢒ ꢓꢏ ꢗꢓꢏ ꢐꢔꢘ ꢎ ꢀ ꢏꢔ ꢐꢀ
SCLS039F − DECEMBER 1982 − REVISED SEPTEMBER 2003
switching characteristics over recommended operating free-air temperature range, C = 150 pF
L
(unless otherwise noted) (see Figure 1)
SN54HC590A
FROM
(INPUT)
TO
(OUTPUT)
T
A
= 25°C
TYP
100
24
PARAMETER
V
UNIT
ns
CC
MIN
MAX
MIN
MAX
300
60
2 V
4.5 V
6 V
447
90
t
t
t
RCLK↑
Q
Q
Q
pd
20
51
77
2 V
90
200
40
300
60
4.5 V
6 V
23
OE
ns
en
19
34
51
2 V
45
210
42
315
63
*
t
4.5 V
6 V
17
ns
13
36
53
* This parameter is not production tested for the SN54HC590A.
switching characteristics over recommended operating free-air temperature range, C = 150 pF
L
(unless otherwise noted) (see Figure 1)
SN74HC590A
FROM
(INPUT)
TO
(OUTPUT)
T
A
= 25°C
TYP
100
24
PARAMETER
V
UNIT
ns
CC
MIN
MAX
MIN
MAX
300
60
2 V
4.5 V
6 V
380
76
t
pd
t
en
t
t
RCLK↑
Q
Q
Q
20
51
65
2 V
90
200
40
250
50
4.5 V
6 V
23
OE
ns
19
34
43
2 V
45
210
42
265
53
4.5 V
6 V
17
ns
13
36
45
operating characteristics, T = 25°C
A
PARAMETER
TEST CONDITIONS
TYP
UNIT
C
Power dissipation capacitance
No load
250
pF
pd
9
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