2-bit greater-than circuit

The greater-than circuit compares two inputs, a and b, and asserts an output when a is greater than b.

Truth table for a 2-bit greater-than circuit





2-bit greater-than circuit designed by AMD XILINX Vivado Tool. Power: 198, area: 510, 173 ps maximum delay, max. levels: 5, max gate fan-out: 2, max input fan-out: 4, 9 gates, 58 transistors, 17 wiress
Source: SystemVerilog Study Notes. Gate-Level Combinational Circuit

Our results

We used this gate setting.

Here is our Truth Table.

Here are all our 45 results.

Our version:

• Our format
  
  
• Verilog and VHDL formats
  
  
• Schematic simulation and editing
  
  
• Schematic:
  
  
  

Our version of 2-bit greater-than circuit outperforms the AMD XILINX Vivado version in several key areas:

• it reduces power consumption by 1.17 times,
• improves delay (performance) by 1.66 times,
• decreases area requirements by 1.62 times,
• cuts gate count by 1.25 times,
• reduces transistor count by 1.93 times,
• and lowers wire usage by 1.13 times.