Datasheet
SCLS039F − DECEMBER 1982 − REVISED SEPTEMBER 2003
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
FROM
TO
SN54HC590A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
T
A
= 25°C
MIN
MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
V
CC
MIN TYP MAX
MIN
MAX
UNIT
2 V 4 8 2.5
f
max
4.5 V 20 35 13
MHz
f
max
6 V 24 40 16
MHz
2 V 80 150 225
t
pd
CCLK↑ RCO
4.5 V 20 31 45
ns
t
pd
CCLK↑
RCO
6 V 15 26 38
ns
2 V 70 130 195
t
PLH
CCLR↓ RCO
4.5 V 18 28 39
ns
t
PLH
CCLR↓
RCO
6 V 14 23 33
ns
2 V 70 140 210
t
pd
RCLK↑ Q
4.5 V 18 31 42
ns
t
pd
RCLK↑
Q
6 V 14 25 36
ns
2 V 80 125 185
t
en
OE↓ Q
4.5 V 20 30 37
ns
t
en
OE↓
Q
6 V 15 28 31
ns
2 V 80 125 185
t
dis
OE↑ Q
4.5 V 20 30 37
ns
t
dis
OE↑
Q
6 V 15 28 31
ns
2 V 38 75 110
RCO
4.5 V 8 15 22
t
t
*
RCO
6 V 6 13 19
ns
t
t
*
2 V 38 60 90
ns
Q
4.5 V 8 12 18
Q
6 V 6 10 15
* This parameter is not production tested for the SN54HC590A.