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89Mods
Experimental 8085 single-board computer
| Reference | Value | Description |
|---|---|---|
| U1 | 8085 | |
| U2 | 28C256 | |
| U3,U8 | 74LS573 | |
| U4 | IS61C256 | |
| U5 | NE555P | |
| U6 | 81C55 | |
| U7 | GAL22V10 | |
| C1-C3,C6 | 10nF | |
| C4 | 10µF | |
| C5 | 30pF | |
| C7 | 1µF | |
| D1-D10 | LED | |
| D11 | D | |
| J1 | Screw_Terminal_01x02 | |
| J2 | Conn_01x03_Female | |
| J3 | Conn_01x06_Male | |
| J4 | Conn_01x04_Male | |
| J5,J6 | Conn_01x18_Female | |
| J7 | Conn_01x05_Socket | |
| R1-R6,R15,R18-R21,R28,R29 | 1K | |
| R7-R14,R22-R27 | 10K | |
| R16,R17 | 100R | |
| SW1-SW4 | SW_Push | |
| Y1 | Crystal |