SN74LS83AJ Motorola, SN74LS83AJ Datasheet
SN74LS83AJ
Manufacturer Part Number
SN74LS83AJ
Description
4-Bit BINARY FULL ADDER WITH FAST CARRY
Manufacturer
Motorola
Datasheet
1.SN74LS83AJ.pdf
(3 pages)
4-BIT BINARY FULL ADDER
WITH FAST CARRY
carry lookahead. It accepts two 4-bit binary words (A 1 – A 4 , B 1 – B 4 ) and a
Carry Input (C 0 ). It generates the binary Sum outputs 1 – 4 ) and the Carry
Output (C 4 ) from the most significant bit. The LS83A operates with either
active HIGH or active LOW operands (positive or negative logic). The
SN54 / 74LS283 is recommended for new designs since it is identical in
function with this device and features standard corner power pins.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 A HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
C 0 A 1
PIN NAMES
A 1 – A 4
B 1 – B 4
C 0
C 4
Temperature Ranges.
The SN54 / 74LS83A is a high-speed 4-Bit binary Full Adder with internal
13
1 – 4
B 4
16
A 4
1
10
1
9
B 1
15
2
11
3
4
CONNECTION DIAGRAM DIP (TOP VIEW)
14
C 4
A 3
3
A 2
C 1
8
2
6
Operand A Inputs
Operand B Inputs
Carry Input
Sum Outputs (Note b)
Carry Output (Note b)
B 2
B 3
C 0
13
4
7
GND
V CC
12
5
LOGIC DIAGRAM
C 2
A 3
3
B 1
11
6
2
3
2
B 3
A 1
4
10
B 2
7
A 2
9
8
1
C 3
FAST AND LS TTL DATA
A 4
4
NOTE:
The Flatpak version has the
same pinouts (Connection
Diagram) as the Dual In-Line
Package.
15
1
1.0 U.L.
1.0 U.L.
0.5 U.L.
10 U.L.
10 U.L.
LOADING (Note a)
HIGH
B 4
16
5-81
5 (2.5) U.L.
5 (2.5) U.L.
V CC = PIN 5
GND = PIN 12
C 4
0.25 U.L.
LOW
0.5 U.L.
0.5 U.L.
14
= PIN NUMBERS
16
16
13
4-BIT BINARY FULL ADDER
SN54/74LS83A
ORDERING INFORMATION
16
LOW POWER SCHOTTKY
1
1
SN54LSXXJ
SN74LSXXN
SN74LSXXD
WITH FAST CARRY
C 0
10 11 8 7 3 4 1 16
1
LOGIC SYMBOL
B 1 A 2 B 2 A 3 B 3 A 4 B 4
9 6 2 15 14
1 2 3 4 C 4
Ceramic
Plastic
SOIC
CASE 751B-03
CASE 620-09
CASE 648-08
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
PLASTIC
SOIC
C 4
14
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SN74LS83AJ Summary of contents
Page 1
BINARY FULL ADDER WITH FAST CARRY The SN54 / 74LS83A is a high-speed 4-Bit binary Full Adder with internal carry lookahead. It accepts two 4-bit binary words (A 1 – – ...
Page 2
FUNCTIONAL DESCRIPTION The LS83A adds two 4-bit binary words (A plus B) plus the incoming carry. The binary sum appears on the sum outputs ( 1 – and outgoing carry ( outputs ...
Page 3
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input HIGH Voltage Input LOW Voltage Input LOW Voltage V IK Input Clamp Diode Voltage Output HIGH Voltage ...