Datasheet

SN54AHCT373, SN74AHCT373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS239M – 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 SN54AHCT373 SN74AHCT373
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
D
Q
C
L
=15
p
F
5.1* 8.5* 1* 9.5* 1 9.5
ns
t
PHL
D
Q
C
L
=
15
pF
5.1* 8.5* 1* 9.5* 1 9.5
ns
t
PLH
LE
Q
C
L
=15
p
F
7.7* 12.3* 1* 13.5* 1 13.5
ns
t
PHL
LE
Q
C
L
=
15
pF
7.7* 12.3* 1* 13.5* 1 13.5
ns
t
PZH
OE
Q
C
L
=15
p
F
6.3* 10.9* 1* 12.5* 1 12.5
ns
t
PZL
OE
Q
C
L
=
15
pF
6.3* 10.9* 1* 12.5* 1 12.5
ns
t
PHZ
OE
Q
C
L
=15
p
F
6* 10.2* 1* 11* 1 11
ns
t
PLZ
OE
Q
C
L
=
15
pF
6* 10.2* 1* 11* 1 11
ns
t
PLH
D
Q
C
L
=50
p
F
5.9 9.5 1 10.5 1 10.5
ns
t
PHL
D
Q
C
L
=
50
pF
5.9 9.5 1 10.5 1 10.5
ns
t
PLH
LE
Q
C
L
=50
p
F
8.5 13.3 1 14.5 1 14.5
ns
t
PHL
LE
Q
C
L
=
50
pF
8.5 13.3 1 14.5 1 14.5
ns
t
PZH
OE
Q
C
L
=50
p
F
7.1 11.9 1 13.5 1 13.5
ns
t
PZL
OE
Q
C
L
=
50
pF
7.1 11.9 1 13.5 1 13.5
ns
t
PHZ
OE
Q
C
L
=50
p
F
6.8 11.2 1 12 1 12
ns
t
PLZ
OE
Q
C
L
=
50
pF
6.8 11.2 1 12 1 12
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
SN74AHCT373
UNIT
PARAMETER
MIN TYP MAX
UNIT
V
OL(P)
Quiet output, maximum dynamic V
OL
0.8 1.2 V
V
OL(V)
Quiet output, minimum dynamic V
OL
–0.8 –1.2 V
V
OH(V)
Quiet output, minimum dynamic V
OH
4.1 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, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load, f = 1 MHz 17 pF