oldworld
demik
Development ressources for Old World Macintosh (68k and NuBus PPC) and a few related things…
Components (27)
| Reference | Value | Description |
|---|---|---|
| U1 | 74HC139 | |
| U2 | 74HC14 | |
| U3 | TMP68HC000P-12 | |
| U4,U6 | AS6C4008-55PCN | |
| U5,U7 | 28C256 | |
| U8 | TL16C550 | PC16550D, Universal Asynchronous Receiver/Transmitter with FIFOs, PLCC-44 |
| U9 | CD40107BE | CD40107BE, Logic Gate Dual 2 Input NAND, Open Drain 89mA 3 18 V 8-Pin PDIP |
| C1-C10,C13 | 0.1uF | |
| C11,C12 | 10uF | Polarized capacitor |
| D1,D2 | 1N5817 | |
| D3 | POWER | |
| D4 | LED | |
| D5 | CARD | |
| D6 | HALT | |
| J1 | Amphenol 61729 | |
| J2 | 5V FTDI SERIAL | |
| J3 | RTC (SparkFun BOB-10160) | |
| J4 | CFCARD/IDE | |
| J5 | EXPANSION (F.Cu) | |
| J6 | EXPANSION (B.Cu) | |
| JP1 | POWER SELECT | |
| R1,R2,RN1 | 10k | |
| R3,R8,R9 | 1k | |
| R4-R7 | 1k* | |
| SW1 | RESET | |
| SW2 | BTN1 | |
| X1,X2 | 12MHz |