[PDF] What is 74LS83A DATA? (918934)

The 74LS83A is 4-BIT BINARY FULL ADDER made by Motorola Semiconductors.

Brief overview of the content in a 74LS83A PDF file

4 BIT 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 A1 A4 B1 B4 and a Carry Input C0 It generates the binary Sum outputs 1 4 and the Carry Output C4 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 CONNECTION DIAGRAM DIP TOP VIEW B4 4 C4 C0 GND B1 A1 1 16 15 14 13 12 11 10 9 NOTE The Flatpak version has the same pinouts Connection Diagram as the Dual In Line Package 12 A4 3 3 4 56 A3 B3 VCC 2 78 B2 A2 PIN NAMES LOADING Note a HIGH LOW A1 A4 B1 B4 C0 1 4 C4 Operand A Inputs Operand B Inputs Carry Input Sum Outputs Note b Carry Output Note b 1 0 U L 1 0 U L 0 5 U L 10 U L 10 U L 0 5 U L 0 5 U L 0 25 U L 5 2 5 U L 5 2 5 U L 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 Temperature Ranges C0 A1 B1 13 10 11 A2 B2 87 LOGIC DIAGRAM A3 B3 34 A