Minimal-64x4-Home-Computer
slu4coder
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
Components (39)
| Reference | Value | Description |
|---|---|---|
| U1,U6 | 74HC02 | |
| U2,U4,U8,U11 | 74HC00 | quad 2-input NAND gate |
| U3,U7,U60,U62 | 74HC32 | Quad 2-input OR |
| U5,U10,U20,U45 | 74HC377 | 8-bit Register, 3-state outputs |
| U9 | 74HCT132 | |
| U12 | 74HC165 | Shift Register 8-bit, parallel load |
| U13 | 74HC4002 | Dual 4 input NOR gate |
| U14,U18 | 74HC193 | Synchronous 4-bit Up/Down (2 clk) counter |
| U15,U19,U24,U26-U30,U32,U48,U49,U52,U53 | 74HC161 | Synchronous 4-bit programmable binary Counter |
| U16,U17 | 74HC595 | 8-bit serial in/out Shift Register 3-State Outputs |
| U21 | SST39SF040 HSB | |
| U22,U43,U47,U51 | 74HC157 | Quad 2 to 1 line Multiplexer |
| U23 | SST39SF040 MSB | |
| U25 | SST39SF040 LSB | |
| U31 | SST39SF040 512KB SSD | |
| U33,U42,U44,U46,U50,U56,U58 | 74HC245 | Octal BUS Transceivers, 3-State outputs |
| U34 | AS6C1008 SRAM | |
| U35 | 74HC166 | Shift Register 8-bit, parallel load |
| U36 | AS6C62256 VRAM | |
| U37,U39 | 74HC590 | 8-bit Binary Counter with Output Register 3-State Outputs, SOIC-16/TSSOP-16 |
| U38,U40,U41 | 74HC574 | 8-bit Register, 3-state outputs |
| U54,U57 | 74HC86 | Quad 2-input XOR |
| U55,U59 | 74HC283 | 4-bit full Adder |
| U61,U63 | 74HC08 | Quad And2 |
| C1-C20 | 100nF | Unpolarized capacitor, small symbol |
| C32,C33 | 22p | Unpolarized capacitor, small symbol |
| H1-H4 | M2 | Mounting Hole without connection |
| J1 | UART | |
| J2 | PS/2 | 6-pin Mini-DIN connector |
| J3 | EXPANSION PORT | Generic connector, double row, 02x16, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | VGA | |
| J5 | POWER | Generic connector, double row, 02x03, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R3-R5 | 4.7k | Resistor |
| R2,R9-R22,R27,RN1 | 470 | 8 resistor network, star topology, bussed resistors, small symbol,Resistor,Resistor, small symbol |
| R6,R26 | 150 | Resistor |
| R7,R8 | 68 | Resistor |
| R25 | 100 | Resistor |
| SW1 | RESET | Push button switch, generic, two pins |
| X1 | 16MHz |