oldworld
demik
Development ressources for Old World Macintosh (68k and NuBus PPC) and a few related things…
Components (7)
| Reference | Value | Description |
|---|---|---|
| U1,U2 | WD65C22 | |
| U3 | GAL16V8 | Programmable Logic Array, DIP-20/SOIC-20/PLCC-20 |
| U4 | 74LS244 | Octal Buffer and Line Driver With 3-State Output, active-low enables, non-inverting outputs |
| U5 | 74LS161 | Synchronous 4-bit programmable binary Counter |
| C1-C4 | 100nF | |
| DS1 | LDS-A3502RD-SUG | LED Displays & Accessories .32" LED Display 574nm Green Chips |
| R1-R8 | 470Ω | Resistor |