Renesas Electronics
Quadruple 2-input Exclusive-OR Gates
Fairchild Semiconductor
4-Bit Binary Adder with Fast Carry
System Logic Semiconductor
Quad 2-input exlusive OR gate
ON Semiconductor
Quad 2-Input Exclusive OR Gate
System Logic Semiconductor
Quad 2-Input Exclusive OR Gate
Motorola => Freescale
4-BIT BINARY FULL ADDER WITH FAST CARRY
Renesas Electronics
4-Bit Binary Full Adders(with Fast Carry)