Understanding Arithmetic Circuits
Adder
- Binary Adder Architecture Exploration ( pdf )
| Adder type | Overview | Analysis | VHDL Level Design | CMOS Level Design |
|---|---|---|---|---|
| 1. Ripple Carry Adder | A | |||
| 2. Carry Lookahead Adder | A | |||
| 3. Carry Save Adder | A | |||
| 4. Carry Select Adder | A | |||
| 5. Carry Skip Adder | A | |||
| 6. Carry Chain Adder | A | pdf, pdf | ||
| 7. Kogge-Stone Adder | A | |||
| 8. Prefix Adder | A | |||
| 9.1 Variable Block Adder | A, B, C, D | |||
| 9.2 Multi-Level Variable Block Adder | A |
Adder Architectures Suitable for FPGA
- FPGA Carry-Chain Adder (pdf)
- FPGA Carry Select Adder (pdf)
- FPGA Variable Block Adder (pdf)
- FPGA Carry Lookahead Adder (pdf)
- Carry-Skip Adder
Barrel Shifter
- Barrel Shifter Architecture Exploration (bshfit.vhdl, bshfit.makefile)
Mux Based Barrel Shifter
- Analysis (pdf)
- Implementation
Multiplier
Array Multipliers
- Analysis (pdf)
Tree Mulltipliers
Booth Multipliers
- Booth Encoding Note
- Booth Multiplier Note (H1.pdf)
Divider
- Binary Divider (pdf)
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