Datasheet

SN54AHCT174, SN74AHCT174
HEX D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS419F – JUNE 1998 – REVISED APRIL 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 TO LOAD
T
A
= 25°C SN54AHCT174 SN74AHCT174
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 100** 135** 80** 80
MHz
f
max
C
L
= 50 pF 80 115 65 65
MHz
t
PHL
CLR Any Q C
L
= 15 pF 7.6** 10.4** 1** 13** 1 13 ns
t
PLH
CLK
Any Q
C
L
=15
p
F
5.8** 7.8** 1** 9** 1 9
ns
t
PHL
CLK
Any
Q
C
L
=
15
pF
5.8** 7.8** 1** 9** 1 9
ns
t
PHL
CLR Any Q C
L
= 50 pF 8.1 11.4 1 13 1 13 ns
t
PLH
CLK
Any Q
C
L
=50
p
F
6.3 8.8 1 10 1 10
ns
t
PHL
CLK
Any
Q
C
L
=
50
pF
6.3 8.8 1 10 1 10
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.
noise characteristics V
CC
= 5 V, C
L
= 50 pF, T
A
= 25°C (see Note 4)
PARAMETER
SN74AHCT174
UNIT
PARAMETER
MIN TYP MAX
UNIT
V
OL(P)
Quiet output, maximum dynamic V
OL
0.8 V
V
OL(V)
Quiet output, minimum dynamic V
OL
–0.8 V
V
OH(V)
Quiet output, minimum dynamic V
OH
4 V
V
IH(D)
High-level dynamic input voltage 2 V
V
IL(D)
Low-level dynamic input voltage 0.8 V
NOTE 4: Characteristics are for surface-mount packages only.
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load, f = 1 MHz 28 pF
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design phase of development. Characteristic data and other
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change or discontinue these products without notice.