Datasheet

CD54ACT74, CD74ACT74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SCHS321 – DECEMBER 2002
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–55°C to
125°C
–40°C to
85°C
UNIT
(INPUT)
(OUTPUT)
MIN MAX MIN MAX
f
max
85 97 MHz
t
PLH
CLK
QQ
2.4 9.5 2.5 8.6
ns
t
PHL
CLK
Q
or
Q
2.4 9.5 2.5 8.6
ns
t
PLH
PRE or CLR
QorQ
2.9 11.5 3 10.5
ns
t
PHL
PRE
or
CLR
Q
or
Q
3.1 12.5 3.2 11.4
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TYP UNIT
C
pd
Power dissipation capacitance 55 pF