The following chapter lists all components required to build the Synapse-191 computer, including integrated circuits, passive components, and other hardware parts. The system was constructed entirely on solderless breadboards using standard through-hole TTL logic and readily available electronic parts. Component quantities reflect the final, fully assembled configuration of the system, including the control unit, data path, clock circuitry, and I/O modules.
Note that in several cases, alternative or suboptimal parts were used based on component availability at the time of construction. These lists are therefore intended as a reference for replication and documentation purposes, not as precise shopping lists. Anyone attempting to build a similar system should expect to keep a stock of spare parts and make appropriate substitutions where necessary.
Integrated Circuits
| Part | Quantity | Description |
|---|---|---|
| 74LS00 | 3 | 4x NAND |
| 74LS02 | 1 | 4x NOR |
| 74LS04 | 6 | 6x NOT |
| 74LS08 | 2 | 4x AND |
| 74LS14 | 1 | 6x Schmitt-Trigger |
| 74LS32 | 2 | 4x OR |
| 74LS48 | 2 | 7-Segment Driver |
| 74LS74 | 1 | 2x D-Flip-Flop |
| 74LS76 | 1 | 2x JK-Flip-Flop |
| 74LS86 | 1 | 4x XOR |
| 74LS123 | 2 | 2x Monostable Multivibrator |
| 74LS138 | 2 | 3-to-8 Decoder |
| 74LS157 | 1 | 4-bit Data Selector |
| 74LS161 | 2 | 4-Bit Counter |
| 74LS173 | 9 | 4-Bit Register |
| 74LS193 | 14 | 4-Bit U/D Counter |
| 74LS245 | 10 | 8-Bit Bus Transceiver |
| 74HC595 | 1 | 8-Bit Shift Register |
| MC14078B | 2 | 8-Input NOR |
| NE555 | 4 | 555-Timer |
| AT28C64B | 4 | 64-Kbit () EEPROM |
| AS6C4008 | 2 | SRAM |
| ICM7226B | 1 | Frequency Timer |
Passive Components
Other Parts
| Part | Quantity | Description |
|---|---|---|
| Breadboard | 25 | 830-hole |
| Single 7-Segment Display | 2 | |
| Quad 7-Segment Display | 2 | |
| Single LED | 15 | Various colors |
| Bar LED strip | 11 | 10 LEDs per strip |
| HD44780-Compatible LCD | 1 | characters |