Datasheet

 
  
  
SCLS040F − DECEMBER 1982 − REVISED OCTOBER 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)
PARAMETER
FROM
TO
V
CC
T
A
= 25°C SN54HC594 SN74HC594
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 5 8 3.3 4
f
max
4.5 V 25 35 17 20
MHz
f
max
6 V 29 40 20 24
MHz
2 V 50 150 225 185
SRCLK Q
H
′
4.5 V 20 30 45 37
t
pd
SRCLK
Q
H
6 V 15 25 38 31
ns
t
pd
2 V 50 150 225 185
ns
RCLK Q
A
−Q
H
4.5 V 20 30 45 37
RCLK
Q
A
−Q
H
6 V 15 25 38 31
2 V 50 150 225 185
SRCLR Q
H
′
4.5 V 20 30 45 37
t
PHL
SRCLR
Q
H
6 V 15 25 38 31
ns
t
PHL
2 V 50 125 185 155
ns
RCLR Q
A
−Q
H
4.5 V 20 25 37 31
RCLR
Q
A
−Q
H
6 V 15 21 31 26
2 V 38 75 110 95
Q
H
′
4.5 V 8 15 22 19
t
t
Q
H
6 V 6 13 19 16
ns
t
t
2 V 38 60 90 75
ns
Q
A
−Q
H
4.5 V 8 12 18 15
Q
A
−Q
H
6 V 6 10 15 13
switching characteristics over recommended operating free-air temperature range, C
L
= 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
V
CC
T
A
= 25°C SN54HC594 SN74HC594
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 90 200 300 250
t
pd
RCLK Q
A
−Q
H
4.5 V 23 40 60 50
ns
t
pd
RCLK
Q
A
−Q
H
6 V 19 34 51 43
ns
2 V 90 200 300 250
t
PHL
RCLR Q
A
−Q
H
4.5 V 23 40 60 50
ns
t
PHL
RCLR
Q
A
−Q
H
6 V 19 34 51 43
ns
2 V 45 210 315 265
t
t
Q
A
−Q
H
4.5 V 17 42 63 53
ns
t
t
Q
A
−Q
H
6 V 13 36 53 45
ns
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load 395 pF
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