SN54AHCT541, SN74AHCT541
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS269O – DECEMBER 1995 – REVISED JULY 2003
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
FUNCTION TABLE
(each buffer/driver)
INPUTS
OUTPUT
OE1
OE2
A
Y
L
L
L
L
L
L
H
H
H
X
X
Z
X
H
X
Z
logic diagram (positive logic)
OE1
OE2
To Seven Other Channels
A1
Y1
1
19
2
18
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage range, V
CC
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, V
I
(see Note 1)
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, V
O
(see Note 1)
–0.5 V to V
CC
+ 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, I
IK
(V
I
< 0)
–
20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, I
OK
(V
O
< 0 or V
O
> V
CC
)
±
20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, I
O
(V
O
= 0 to V
CC
)
±
25 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through V
CC
or GND
±
75 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θ
JA
(see Note 2): DB package
70
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DGV package
92
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package
58
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
69
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NS package
60
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
83
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
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