Datasheet
SDAS153E − DECEMBER 1982 − REVISED AUGUST 1995
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
SN54AS241A SN74AS241A
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
= −2 mA V
CC
−2 V
CC
−2
V
OH
I
OH
= −3 mA 2.4 3.4 2.4 3.4
V
V
OH
V
CC
= 4.5 V
I
OH
= −12 mA 2.4
V
V
CC
= 4.5 V
I
OH
= −15 mA 2.4
V
OL
V
CC
= 4.5 V
I
OL
= 48 mA 0.27 0.55
V
V
OL
V
CC
= 4.5 V
I
OL
= 64 mA 0.31 0.55
V
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 50 50 µA
I
OZL
V
CC
= 5.5 V, V
O
= 0.4 V −50 −50 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 −1 −1 mA
I
O
‡
V
CC
= 5.5 V, V
O
= 2.25 V −50 −150 −50 −150 mA
Outputs high 22 35 22 35
I
CC
V
CC
= 5.5 V
Outputs low 61 90 61 90
mA
I
CC
V
CC
= 5.5 V
Outputs disabled 35 56 35 56
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
.
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
(INPUT)
(OUTPUT)
SN54AS241A SN74AS241A
MIN MAX MIN MAX
t
PLH
A
Y
2 9 2 6.2
ns
t
PHL
A
Y
1 7 1 6.2
ns
t
PZH
1OE
Y
1 10 1 9
ns
t
PZL
1OE Y
2 8 2 7.5
ns
t
PHZ
1OE
Y
1 6.5 1 6
ns
t
PLZ
1OE Y
1 10.5 1 9
ns
t
PZH
2OE
Y
2 11 2 10.5
ns
t
PZL
2OE Y
3 9.5 3 8.5
ns
t
PHZ
2OE
Y
1 7 1 7
ns
t
PLZ
2OE
Y
2 12 2 12
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.