Datasheet

SN54HC574, SN74HC574
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS148F − DECEMBER 1982 − REVISED AUGUST 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
V
T
A
= 25°C SN54HC574 SN74HC574
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 6 5
f
max
4.5 V 30 24
MHz
f
max
6 V 36 28
MHz
2 V 105 265 400 330
t
p
d
CLK Any Q
4.5 V 36 53 80 66
ns
t
pd
CLK
Any
Q
6 V 31 46 68 57
ns
2 V 95 235 355 295
t
en
OE Any Q
4.5 V 32 47 71 59
ns
t
en
OE
Any
Q
6 V 28 41 60 51
ns
2 V 60 210 315 265
t
t
Any Q
4.5 V 17 42 63 53
ns
t
yQ
6 V 14 36 53 45
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance per flip-flop No load 100 pF