D Flipflop

2-Bit Synchronous Down counter

Half Subtractor using NOR gates

Full Adder using NAND gates

3-Bit aSynchronous counter Down

Full Subtractor using NOR gates

JK Master-Slave Flip-Flop

4-Bit Johnson Counter

1X8 DeMultiplexer

2-Bit aSynchronous Counter Down

SR Latch

SR FlipFLop

JK Flip-Flop

Trail

3-Bit aSynchronous counter UP

Decade Counter

Full Subtractor using NAND gates

8X1 MUX

1X4 DeMultiplexer

2:4 Decoder

3:8 Decoder

4:2 Encoder

8:3 Encoder

7 Segment Display (0-9)

Half Subtractor using NAND gates

2-Bit aSynchronous UP counter

2Bit Synchronous UP/Down Counter

4X1 MUX

Full Adder using NOR gates

Half Adder using NOR gates

Seven Segment Display

Half Adder using NAND gates

3-Bit aSynchronous UP counter T Flipflop

4-Bit Ring Counter

3-bit asynchronous down counter T Flip-flop