- 74HC280
9-bit odd/even parity generator/checker - 74HC280D
9-bit odd/even parity generator/checker - 74HC280D-T
Parity Generator/Checker - 74HC280N
9-bit odd/even parity generator/checker - 74HC280U
9-bit odd/even parity generator/checker - 74HC283
4-bit binary full adder with fast carry - 74HC283D
- 74HC283D-T
Binary Adder - 74HC283DB
4-bit binary full adder with fast carry - 74HC283N
4-bit binary full adder with fast carry - 74HC283NB
4-bit binary full adder with fast carry - 74HC283PW
4-bit binary full adder with fast carry - 74HC283U
4-bit binary full adder with fast carry