Datasheet
SDAS153E − DECEMBER 1982 − REVISED AUGUST 1995
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
recommended operating conditions
SN54ALS241C SN74ALS241C
UNIT
MIN NOM MAX MIN NOM MAX
UNIT
V
CC
Supply voltage 4.5 5 5.5 4.5 5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.7 0.8 V
I
OH
High-level output current −12 −15 mA
I
OL
Low-level output current
12 24
mA
I
OL
Low-level output current
48
†
mA
T
A
Operating free-air temperature −55 125 0 70 °C
†
Applies only to the -1 version and only if V
CC
is between 4.75 V and 5.25 V
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS241C SN74ALS241C
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
V
CC
= 4.5 V to 5.5 V, I
OH
= −0.4 mA V
CC
−2 V
CC
−2
V
OH
I
OH
= −3 mA 2.4 3.2 2.4 3.2
V
V
OH
V
CC
= 4.5 V
I
OH
= −12 mA 2
V
V
CC
= 4.5 V
I
OH
= −15 mA 2
I
OL
= 12 mA 0.25 0.4 0.25 0.4
V
OL
V
CC
= 4.5 V
I
OL
= 24 mA 0.35 0.5
V
V
OL
V
CC
= 4.5 V
I
OL
= 48 mA (-1 version) 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 17 9 18
I
CC
V
CC
= 5.5 V
Outputs low 15 28 15 26
mA
I
CC
V
CC
= 5.5 V
Outputs disabled 17 32 17 30
mA
‡
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
.