aletheia
finitedevices
Designs and resources for the Finite Aletheia: a versatile, 8-bit hand-bootstrapped computer.
Components (62)
| Reference | Value | Description |
|---|---|---|
| U101 | W65C02S6TPG-14 | W65C02S6TPG-14 microcontroller unit |
| U102 | AS6C1008-55PCN | 1-Mbit (128K X 8-bit) Low Power CMOS SRAM, single 2.7V ~ 5.5V power supply, 55ns, DIP-32 |
| U103 | W65C22N6TPG-14 | |
| U104 | 74LS04 | Hex Inverter |
| U105 | 74LS08 | Quad And2 |
| U106 | 74LS21 | Dual 4-input AND |
| U201 | LP2954AIT/NOPB | Low-drop Voltage Regulator, Io up to 500mA, Fixed Vo 5.0V, TO-220 |
| U301 | MCP23S17_SP | 16-bit I/O expander, SPI, interrupts, w pull-ups, SPDIP-28 |
| U302 | NHD-0420DZ-NSW-BBW | |
| C101 | 4.7u | Polarized capacitor |
| C201 | 10u | Polarized capacitor |
| C202,C205-C212 | 0.1u | Unpolarized capacitor |
| C203,C204 | 100u | Polarized capacitor |
| D101 | 1N4148 | 100V 0.15A standard switching diode, DO-35 |
| D102 | Green LED | Light emitting diode |
| D103,D204 | Red LED | Light emitting diode |
| D104 | Yellow LED | Light emitting diode |
| D201,D202 | D_Schottky | Schottky diode |
| J101 | Conn_01x04 | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J201 | 4090 USB-C | |
| J202 | 9V battery | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R101,R102,R104-R106,R301 | 10k | Resistor |
| R103 | 3.3k | Resistor |
| R107-R109,R203 | 330 | Resistor |
| R201 | 100k | Resistor |
| R202 | 39k | Resistor |
| R302 | 1.2k | Resistor |
| RN101-RN103 | 8×10k | 8 resistor network, star topology, bussed resistors, small symbol |
| SW101,SW102 | SW_DIP_x08 | 8x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| SW104 | SW_DIP_x04 | 4x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| SW105 | G19AP | Switch, single pole double throw, center OFF position |
| SW301 | Q/1/STOP | Push button switch, normally open, two pins, 45° tilted |
| SW302 | W/2/CH0 | Push button switch, normally open, two pins, 45° tilted |
| SW303 | E/3/CH1 | Push button switch, normally open, two pins, 45° tilted |
| SW304 | R/4/CH2 | Push button switch, normally open, two pins, 45° tilted |
| SW305 | T/5/CH3 | Push button switch, normally open, two pins, 45° tilted |
| SW306 | Y/6/_ | Push button switch, normally open, two pins, 45° tilted |
| SW307 | U/7/- | Push button switch, normally open, two pins, 45° tilted |
| SW308 | I/8/+ | Push button switch, normally open, two pins, 45° tilted |
| SW309 | O/9/= | Push button switch, normally open, two pins, 45° tilted |
| SW310 | P/0 | Push button switch, normally open, two pins, 45° tilted |
| SW311 | A/!/` | Push button switch, normally open, two pins, 45° tilted |
| SW312 | S/"/CH4 | Push button switch, normally open, two pins, 45° tilted |
| SW313 | D/$/CH5 | Push button switch, normally open, two pins, 45° tilted |
| SW314 | F/%/CH6 | Push button switch, normally open, two pins, 45° tilted |
| SW315 | G/^/CH7 | Push button switch, normally open, two pins, 45° tilted |
| SW316 | H/&/{ | Push button switch, normally open, two pins, 45° tilted |
| SW317 | J/*/} | Push button switch, normally open, two pins, 45° tilted |
| SW318 | K/(/[ | Push button switch, normally open, two pins, 45° tilted |
| SW319 | L/)/] | Push button switch, normally open, two pins, 45° tilted |
| SW320 | BKSP/DEL | Push button switch, normally open, two pins, 45° tilted |
| SW321 | SHIFT | Push button switch, normally open, two pins, 45° tilted |
| SW322 | Z/\/| | Push button switch, normally open, two pins, 45° tilted |
| SW323 | X/;/: | Push button switch, normally open, two pins, 45° tilted |
| SW324 | C/'/@ | Push button switch, normally open, two pins, 45° tilted |
| SW325 | V/#/~ | Push button switch, normally open, two pins, 45° tilted |
| SW326 | B/,/< | Push button switch, normally open, two pins, 45° tilted |
| SW327 | N/./> | Push button switch, normally open, two pins, 45° tilted |
| SW328 | M///? | Push button switch, normally open, two pins, 45° tilted |
| SW329 | SYM | Push button switch, normally open, two pins, 45° tilted |
| SW330 | SPC/ENT | Push button switch, normally open, two pins, 45° tilted |
| Y101 | ECS-100AX-010 |