Datasheet

SN54ALS373A, SN54AS373, SN74ALS373A, SN74AS373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SDAS083C – APRIL 1982 – REVISED MARCH 2002
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS373A SN74ALS373A
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.5 –1.5 V
V
CC
= 4.5 V to 5.5 V, I
OH
= –0.4 mA V
CC
–2 V
CC
–2
V
OH
V
CC
=45V
I
OH
= –1 mA 2.4 3.3
V
V
CC
=
4
.
5
V
I
OH
= –2.6 mA 2.4 3.2
V
OL
V
CC
=45V
I
OL
= 12 mA 0.25 0.4 0.25 0.4
V
V
OL
V
CC
=
4
.
5
V
I
OL
= 24 mA 0.35 0.5
V
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 20 20 µA
I
OZL
V
CC
= 5.5 V, V
O
= 0.4 V –20 –20 µA
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 20 µA
I
IL
V
CC
= 5.5 V, V
I
= 0.4 V –0.1 –0.1 mA
I
O
‡
V
CC
= 5.5 V, V
O
= 2.25 V –20 –112 –30 –112 mA
Outputs high 9 16 9 16
I
CC
V
CC
= 5.5 V
Outputs low 16 25 16 25
mA
Outputs disabled 17 27 17 27
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
The output conditions have been chosen to produce a current that closely approximates one-half of the true short-circuit output current, I
OS
.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R1 = 500 Ω
,
R2 = 500 Ω,
T
A
= MIN to MAX
§
UNIT
SN54ALS373A SN74ALS373A
MIN MAX MIN MAX
t
PLH
D
Q
2 17 2 12
ns
t
PHL
D
Q
1 19 4 16
ns
t
PLH
LE
AQ
6 29 6 22
ns
t
PHL
LE
A
ny
Q
1 27 7 23
ns
t
PZH
OE
AQ
6 22 1 18
ns
t
PZL
OE
A
ny
Q
5 24 5 20
ns
t
PHZ
OE
Any Q
2 16 1 10
ns
t
PLZ
OE
A
ny
Q
2 24 2 12
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.