4-Bit Synchronous Down Counter

Johnson Counter using Dflipflop

excess3 to bcd

excess3 to bcd

jk flip flop

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BCD to Excess 3

EVEN PARITY

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excess3 to bcd

excess3 to bcd

Excess 3 to BCD MSB

4 bit asynchronous up counter

Half Subtractor

3:8 Decoder

OCTAL TO BINARY ENCODER

3 Bit SISO shift register

3 bit async up counter

4:1 MUX

2:4 decoder

2:4 decoder

4:2 priority encoder

PIPO shift register

Prime or non-prime

BCD ADDER

Gray Code to binary

Binary to Gray Code

SR Latch NOR GATE

1 BIT MAGNITUDE COMPARATOR

SIPO Shift Register

MOD 6 Counter

Even or Odd number

ODD PARITY

excess3 to bcd

FULL ADDER CIRCUIT

4:2 priority encoder

Johnson Counter using J K Flip Flop

Full Subtractor

1:4 DeMux

PISO SHIFT REGISTER

Full Adder using mux

Excess 3 Code to BCD Code Conventer

2 bit comparator

4-bit right shift register

4 : 1 multiplexer

Excess 3 Code to BCD Code Conventer

full and half adder using MUX

4-Bit Synchronous Up Counter

SR latch Nand Gate based

Decade Counter