| 1 |  | Driver/NOT gate, housing PS4-3 | PS4425-2N |
| 1 |  | 4-bit input, housing PS4-3 | PS4425-3A |
| 1 |  | AND/NAND gates, 4 inputs, 2-fold, housing PS4-3 | PS4425-3C |
| 1 |  | OR/NOR gates, 4 inputs, 2-fold, housing PS4-3 | PS4425-3D |
| 1 |  | AND/NAND gate, 2 inputs,4-fold, housing PS4-3 | PS4425-3E |
| 1 |  | OR/NOR gate, 2 inputs, 4-fold, housing PS4-3 | PS4425-3H |
| 1 |  | XOR/XNOR gate, 2 inputs, 4-fold, housing PS4-3 | PS4425-3J |
| 1 |  | JK master-slave flip-flop, 2-fold, housing PS4-3 | PS4425-3M |
| 1 |  | JK flip-flop, 2-fold, housing PS4-3 | PS4425-3N |
| 1 |  | Counter, 4-bit, housing PS4-3 | PS4425-3P |
| 1 |  | AND/OR/NOT gates, housing PS4-3 | PS4425-3Q |
| 1 |  | Multiplexer, 1 of 4, housing PS4-3 | PS4425-3T |
| 1 |  | Shift register, 4-bit, 2-fold, housing PS4-3 | PS4425-3U |
| 1 |  | Adder, 4-bit, housing PS4-3 | PS4425-3W |
| 1 |  | Buffer, 4-bit, tri-state, housing PS4-3 | PS4425-3Y |
| 1 |  | Display, 7-segment, housing PS4-3 | PS4425-4A |
| 1 |  | Monoflop, 2-fold, housing PS4-3 | PS4425-4B |
| 1 |  | Clock generator, housing PS4-3 | PS4425-4G |