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SN74AS181ANT

Part # SN74AS181ANT
Description 4 BIT ALU/FUNCTION GENERATOR,21NS DIP24, Supply Voltage M
Category IC
Availability In Stock
Qty 9
Qty Price
1 - 1 $13.08734
2 - 3 $10.41038
4 - 5 $9.81550
6 - 7 $9.12148
8 + $8.13001
Manufacturer Available Qty
Texas Instruments
Date Code: 8205
  • Shipping Freelance Stock: 4
    Ships Immediately
Texas Instruments
Date Code: 8204
  • Shipping Freelance Stock: 5
    Ships Immediately

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

SN54AS181B, SN74AS181A
ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS
SDAS209B – DECEMBER 1982 – REVISED DECEMBER 1994
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage, V
CC
7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, V
I
7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-state output voltage (A = B output only) 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
: SN54AS181B –55°C to 125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74AS181A 0°C to 70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range –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.
recommended operating conditions
SN54AS181B SN74AS181A
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 0.8 0.8 V
V
OH
High-level output voltage A = B output only 5.5 5.5 V
I
OH
High level out
p
ut current
All outputs except A = B and G –2 –2
mA
I
OH
High
-
le
v
el
o
u
tp
u
t
c
u
rrent
G –3 –3
mA
I
OL
Low level out
p
ut current
All outputs except G 20 20
mA
I
OL
Lo
w-
le
v
el
o
u
tp
u
t
c
u
rrent
G 48 48
mA
T
A
Operating free-air temperature –55 125 0 70 °C
SN54AS181B, SN74AS181A
ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS
SDAS209B – DECEMBER 1982 – REVISED DECEMBER 1994
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
SN54AS181B SN74AS181A
UNIT
PARAMETER
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.2 –1.2 V
V
OH
Any output except A = B V
CC
= 4.5 V to 5.5 V, I
OH
= –2 mA V
CC
–2 V
CC
–2
V
V
OH
G V
CC
= 4.5 V, I
OH
= –3 mA 2.4 3.4 2.4 3.4
V
V
OL
Any output except G
V
CC
=45V
I
OL
= 20 mA 0.3 0.5 0.3 0.5
V
V
OL
G
V
CC
=
4
.
5
V
I
OL
= 48 mA 0.4 0.5 0.4 0.5
V
I
OH
A = B V
CC
= 4.5 V, V
OH
= 5.5 V 0.1 0.1 mA
M 0.1 0.1
I
I
Any A or B
V
CC
=55V
V
I
=7V
0.3 0.3
mA
I
I
Any S
V
CC
=
5
.
5
V
,
V
I
=
7
V
0.4 0.4
mA
C
n
0.6 0.6
M 20 20
I
IH
Any A or B
V
CC
=55V
V
I
=27V
60 60
µA
I
IH
Any S
V
CC
=
5
.
5
V
,
V
I
=
2
.
7
V
80 80
µ
A
C
n
120 120
M –0.5 –2
I
IL
Any A or B
V
CC
=55V
V
I
=04V
–1.5 –6
mA
I
IL
Any S
V
CC
=
5
.
5
V
,
V
I
=
0
.
4
V
–2 –8
mA
C
n
–3 –12
I
O
‡
All outputs except A = B
and G
V
CC
= 5.5 V, V
O
= 2.25 V
–30 –45 –112 –30 –45 –112
mA
O
G
CC
,
O
–30 –125 –30 –125
I
CC
V
CC
= 5.5 V 74 117 135 200 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
.
SN54AS181B, SN74AS181A
ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS
SDAS209B – DECEMBER 1982 – REVISED DECEMBER 1994
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics (see Figure 3)
PARAMETER
FROM
(
INPUT
)
TO
(
OUTPUT
)
TEST CONDITIONS
†
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R
L
= 500 Ω
,
T
A
= MIN to MAX
‡
UNIT
(INPUT)
(OUTPUT)
SN54AS181B SN74AS181A
MIN MAX MIN MAX
t
PLH
C
C
3 9 2 9
ns
t
PHL
C
n
C
n
+
4
2 7 2 9
ns
t
PLH
An A or B
C
M = 0, S1 = S2 = 0,
2 16 2 12
ns
t
PHL
A
ny
A
or
B
C
n
+
4
,,
S0 = S3 = 4.5 V (SUM mode)
2 14 2 12
ns
t
PLH
An A or B
C
M = 0, S1 = S3 = 0,
3 18 4 16
ns
t
PHL
A
ny
A
or
B
C
n
+
4
,,
S1 = S2 = 4.5 V (DIFF mode)
3 14.5 2 16
ns
t
PLH
C
An F
M 0 (SUM or DIFF mode)
3 10.5 3 9
ns
t
PHL
C
n
A
ny
F
M
=
0
(SUM
or
DIFF
mo
d
e
)
3 10 3 9
ns
t
PLH
An A or B
G
M = 0, S1 = S2 = 0,
3 9.5 2 8
ns
t
PHL
A
ny
A
or
B
G
,,
S0 = S3 = 4.5 V (SUM mode)
2 7 2 7
ns
t
PLH
An A or B
G
M = 0, S1 = S3 = 0,
3 12 2 9.5
ns
t
PHL
A
ny
A
or
B
G
,,
S1 = S2 = 4.5 V (DIFF mode)
2 9 2 9
ns
t
PLH
An A or B
P
M = 0, S1 = S2 = 0,
3 9.5 2 8
ns
t
PHL
A
ny
A
or
B
P
,,
S0 = S3 = 4.5 V (SUM mode)
2 7.5 2 8
ns
t
PLH
An A or B
P
M = 0, S1 = S3 = 0,
3 12 2 10
ns
t
PHL
A
ny
A
or
B
P
,,
S1 = S2 = 4.5 V (DIFF mode)
3 8.5 2 10
ns
t
PLH
AiorBi
Fi
M = 0, S1 = S2 = 0,
3 11 2 9.5
ns
t
PHL
Ai
or
Bi
Fi
,,
S0 = S3 = 4.5 V (SUM mode)
3 9 2 8
ns
t
PLH
AiorBi
Fi
M = 0, S1 = S3 = 0,
3 13.5 2 10.5
ns
t
PHL
Ai
or
Bi
Fi
,,
S1 = S2 = 4.5 V (DIFF mode)
3 11 2 10
ns
t
PLH
AiorBi
Fi
M 4 5 V (LOGIC mode)
3 16 2 11
ns
t
PHL
Ai
or
Bi
Fi
M
=
4
.
5
V
(LOGIC
mo
d
e
)
3 10 2 11
ns
t
PLH
Any A or B
AB
M = 0, S1 = S3 = 0,
2 19 4 21
ns
t
PHL
A
ny
A
or
B
A
=
B
,,
S1 = S2 = 4.5 V (DIFF mode)
3 22 4 21
ns
†
Refer to the parameter measurement information tables for the SUM-, DIFF-, and LOGIC-mode test tables.
‡
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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