Datasheet

SN54AHCT574, SN74AHCT574
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS245L – OCTOBER 1995 – REVISED JULY 2003
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 TO LOAD
T
A
= 25°C SN54AHCT574 SN74AHCT574
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 130** 180** 110** 110
MHz
f
max
C
L
= 50 pF 85 115 75 75
MHz
t
PLH
CLK
Q
C
L
=15
p
F
5.5** 8.6** 1** 10** 1 10
ns
t
PHL
CLK
Q
C
L
=
15
pF
5.5** 8.6** 1** 10** 1 10
ns
t
PZH
OE
Q
C
L
=15
p
F
5** 9** 1** 10.5** 1 10.5
ns
t
PZL
OE
Q
C
L
=
15
pF
5** 9** 1** 10.5** 1 10.5
ns
t
PHZ
OE
Q
C
L
=15
p
F
5.5** 9** 1** 10.5** 1 10.5
ns
t
PLZ
OE
Q
C
L
=
15
pF
5.5** 9** 1** 10.5** 1 10.5
ns
t
PLH
CLK
Q
C
L
=50
p
F
7 10.6 1 12 1 12
ns
t
PHL
CLK
Q
C
L
=
50
pF
7 10.6 1 12 1 12
ns
t
PZH
OE
Q
C
L
=50
p
F
6 11 1 12.5 1 12.5
ns
t
PZL
OE
Q
C
L
=
50
pF
6 11 1 12.5 1 12.5
ns
t
PHZ
OE
Q
C
L
=50
p
F
7 10.1 1 11.5 1 11.5
ns
t
PLZ
OE
Q
C
L
=
50
pF
7 10.1 1 11.5 1 11.5
ns
t
sk(o)
C
L
= 50 pF 1*** 1 ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
*** On products compliant to MIL-PRF-38535, this parameter does not apply.
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load, f = 1 MHz 28 pF