S65
Synthron
Yet another 8bit Retro Computer
Components (17)
| Reference | Value | Description |
|---|---|---|
| U1 | 74HC14 | Hex inverter schmitt trigger |
| U2 | 74HC00 | quad 2-input NAND gate |
| U3 | 74LS20 | Dual 4-input NAND |
| U4 | DS1501YZ | parallel RTC |
| U5 | 74LS393 | Dual BCD 4-bit counter |
| U6 | 74HC138 | 3-to-8 line decoder/multiplexer inverting, DIP-16/SOIC-16/SSOP-16 |
| U7 | 74HC688 | 8-bit magnitude comparator |
| BT1 | CR2032 | Single-cell battery |
| C1-C10 | 100n | Unpolarized capacitor |
| C11 | 10µ | Polarized capacitor |
| J1 | Bus_PCI_6502 | PCI bus connector for 5V cards |
| J2 | Clock_Sel | Generic connector, double row, 02x11, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R2 | 1k | Resistor |
| R3,R4 | 10k | Resistor |
| SW1 | Manual_Clock | Single Pole Single Throw (SPST) switch |
| X1 | 8MHz | Crystal Clock Oscillator, DIP14-style metal package |
| Y1 | G33270007 | Three pin crystal, GND on pin 3 |