Datasheet

SN54ACT574, SN74ACT574
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS537D − OCTOBER 1995 − REVISED NOVEMBER 2002
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54ACT574 SN74ACT574
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
f
clock
Clock frequency 100 70 85 MHz
t
w
Pulse duration, CLK high or low 3 5 4 ns
t
su
Setup time, data before CLK↑ 2.5 3.5 2.5 ns
t
h
Hold time, data after CLK↑ 1 2 1 ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
T
A
= 25°C SN54ACT574 SN74ACT574
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
100 110 70 85 MHz
t
PLH
CLK
Q
2.5 7 11 1.5 13.5 2 12
ns
t
PHL
CLK Q
2 6.5 10 1.5 12.5 1.5 11
ns
t
PZH
OE
Q
2 6.4 9.5 1.5 11 1.5 10
ns
t
PZL
OE
Q
2 6 9 1.5 11 1.5 10
ns
t
PHZ
OE
Q
2 7 10.5 1.5 12 1.5 11.5
ns
t
PLZ
OE
Q
2 5.5 8.5 1.5 10 1.5 9
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance C
L
= 50 pF, f = 1 MHz 40 pF
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