From the following table you can download design and test-bench files for various CMOS digital logic components that I've modelled.
| Part No. | Description | Design File | Test Bench |
| 4000B | Dual 3-Input NOR Gates and Inverter | A4000B.vhd | A4000B-Test.vhd |
| 4001B | Quad 2-Input NOR | A4001B.vhd | A4001B-Test.vhd |
| 4002B | Dual 4-Input NOR | A4002B.vhd | A4002B-Test.vhd |
| 4006B | 18 Stage Static Shift Register | A4006B.vhd | A4006B-Test.vhd |
| 4008B | 4-Bit Binary Full Adder | A4008B.vhd | A4008B-Test.vhd |
| 4011B | Quad 2-Input NAND | A4011B.vhd | A4011B-Test.vhd |
| 4012B | Dual 4-Input NAND | A4012B.vhd | A4012B-Test.vhd |
| 4013B | Dual D-Type Flip Flop | A4013B.vhd | A4013B-Test.vhd |
| 4014B | 8-Bit Static Shift Register | A4014B.vhd | |
| 4015B | Dual 4-Bit Static Shift Register | A4015B.vhd | |
| 4017B | 5-Stage Johnson Counter | A4017B.vhd | |
| 4018B | Presettable Divide-By-N Counter | A4018B.vhd | |
| 4019B | Quadruple 2-Input Multiplexor | A4019B.vhd | |
| 4020B | 14-Stage Binary Counter | A4020B.vhd | A4020B-Test.vhd |
| 4021B | 8-Bit Static Shift Register | A4021B.vhd | |
| 4023B | Triple 3-Input NAND Gates | A4023B.vhd | |
| 4024B | 7-Stage Binary Counter | A4024B.vhd | |
| 4025B | Triple 3-Input NOR Gates | A4025B.vhd | |
| 4027B | Dual JK Flip-Flop | A4027B.vhd | |
| 4028B | 1-of-10 Decoder | A4028B.vhd | |
| 4029B | Synchronous Up/Down Counter, Binary/Decade Counter | A4029B.vhd | |
| 4030B | Quad 2-Input Exclusive-OR Gates | A4030B.vhd | |
| 4040B | 12-Stage Binary Counter | A4040B.vhd | |
| 4041B | Quadruple True/Complement Buffer | A4041B.vhd | |
| 4049B | Hex Inverting Buffers | A4049B.vhd | |
| 4050B | Hex Non-Inverting Buffers | A4050B.vhd | |
| More soon |
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