Datasheet

SN74HC74-Q1
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOP
WITH CLEAR AND PRESET
SCLS577A − MARCH 2004 − REVISED APRIL 2008
4
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
T
A
= 25°C
MIN
MAX
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX
MIN MAX UNIT
2 V 6 10 4.2
f
max
4.5 V 31 50 21
MHz
f
max
6 V 36 60 25
MHz
2 V 70 230 345
PRE or CLR Q or Q
4.5 V 20 46 69
t
PRE
or
CLR
Q
or
Q
6 V 15 39 59
ns
t
pd
2 V 70 175 250
ns
CLK Q or Q
4.5 V 20 35 50
CLK
Q
or
Q
6 V 15 30 42
2 V 28 75 110
t
t
Q or Q
4.5 V 8 15 22
ns
t
QQ
6 V 6 13 19
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance per flip-flop No load 35 pF