4 bit ALU

full adder using nand

half subtractor using Nor

demorgan

half adder using nor

4 bit binary to gray

2 bit gray to binary

T flip flop

JK flip flop

D flip flop

SR flip flop

half subtractor using Nand

full adder using nor

full subtractor using nor

full subtractor using nand

5-bit synchronous johnson counter

4 bit Ripple Carry Adder

5 bit synchronous ring counter

4-Bit carry look ahead adder

three 4-bit wallace tree adder

5-bit Synchronous binary counter

half adder using nand