Datasheet

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SDAS098B − OCTOBER 1984 − REVISED JANUARY 1995
2−5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS996 SN74ALS996
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= −18 mA −1.2 −1.2 V
All outputs V
CC
= 4.5 V to 5.5 V, I
OH
= − 0.4 mA V
CC
−2 V
CC
−2
V
OH
Q
V
CC
= 4.5 V
I
OH
= − 1 mA 2.4 3.2
V
V
OH
Q
V
CC
= 4.5 V
I
OH
= − 2.6 mA 2.4 3.2
V
D
V
CC
= 4.5 V
I
OL
= 4 mA 0.25 0.4
D V
CC
= 4.5 V
I
OL
= 8 mA 0.35 0.5
V
OL
I
OL
= 12 mA 0.25 0.4 0.25 0.4
V
V
OL
Q
V
CC
= 4.5 V
I
OL
= 24 mA 0.35 0.5
V
Q
V
CC
= 4.5 V
I
OL
= 48 mA
‡
0.35 0.5
I
OZH
Q V
CC
= 5.5 V, V
O
= 2.7 V 20 20 µA
I
OZL
Q V
CC
= 5.5 V, V
O
= 0.4 V −20 −20 µA
I
I
D inputs
V
CC
= 5.5 V
V
I
= 5.5 V 0.1 0.1
mA
I
I
All others
V
CC
= 5.5 V
V
I
= 7 V 0.1 0.1
mA
I
IH
D inputs
§
V
CC
= 5.5 V,
V
I
= 2.7 V
20 20
A
I
IH
All others
V
CC
= 5.5 V, V
I
= 2.7 V
20 20
µA
I
IL
D inputs
§
V
CC
= 5.5 V,
V
I
= 0.4 V
−0.1 −0.1
mA
I
IL
All others
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
CLR
= 2.5 V
−20 −112 −30 −112 mA
V
CC
= 5.5 V,
Outputs high 35 55 35 55
I
CC
V
CC
= 5.5 V,
EN, RD low
Outputs low 55 85 55 85
mA
I
CC
EN, RD low
Outputs disabled 42 65 42 65
mA
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
Applies only to the -1 version and only if V
CC
is maintained between 4.75 V and 5.25 V
§
For I/O ports (Q
A
thru Q
H
), the parameters I
IH
and I
IL
include the off-state output current.
¶
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.