6502_computer
jp0409hlh
A computer based on Ben Eater's 6502 series
Components (38)
| Reference | Value | Description |
|---|---|---|
| Q1 | 2SC1815 | 0.15A Ic, 50V Vce, Low Noise Audio NPN Transistor, TO-92 |
| U1 | 6502 | |
| U2,U3,U5 | 74LS574 | 8-bit Register, 3-state outputs |
| U4,U7 | HM62256BLP | 32,768-word × 8-bit High Speed CMOS Static RAM, 70ns, DIP-28 |
| U6 | tms9918 | |
| U8 | 74HC00 | quad 2-input NAND gate |
| U9 | 28C256 | Paged Parallel EEPROM 256Kb (32K x 8), DIP-28/SOIC-28 |
| U10,U12 | 74HC138 | 3-to-8 line decoder/multiplexer inverting, DIP-16/SOIC-16/SSOP-16 |
| U11,U17 | 74HC595 | 8-bit serial in/out Shift Register 3-State Outputs |
| U13 | 6522 | |
| U14 | 74HCT04 | Hex Inverter |
| U15 | MAX232 | Dual RS232 driver/receiver, 5V supply, 120kb/s, 0C-70C |
| U16 | 6551 | |
| U18 | 74HC14 | Hex inverter schmitt trigger |
| C1-C4,C6-C13,C15-C17,C21,C24,C26-C28 | 0.1uf | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C5,C14,C22 | 22pf | Unpolarized capacitor, small symbol |
| C18-C20,C23 | 1uf | Unpolarized capacitor, small symbol |
| C25 | 22/20pf | Unpolarized capacitor, small symbol |
| D1,D2,D5 | 1N5819 | 40V 1A Schottky Barrier Rectifier Diode, DO-41 |
| D3 | LED | Light emitting diode |
| D4 | 1N4148 | 100V 0.15A standard switching diode, DO-35 |
| J1 | Conn_02x20_Odd_Even | Generic connector, double row, 02x20, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2,J3 | Conn_01x40_Socket | Generic connector, single row, 01x40, script generated |
| J4 | Barrel_Jack_MountingPin | DC Barrel Jack with a mounting pin |
| J5 | RCJ-045 | Metal Right-Angle, RCA Jack, Blue Housing and Insulation |
| J6 | DE9_Pins | 9-pin D-SUB connector, pins (male) |
| J7 | Mini-DIN-6 | 6-pin Mini-DIN connector |
| J8 | Conn_01x12_Pin | Generic connector, single row, 01x12, script generated |
| R1-R3 | 3.3K | Resistor |
| R4 | 470 | Resistor |
| R5,R6 | 1K | Resistor |
| R7 | 220 | Resistor |
| R8 | 33K | Resistor |
| R9 | 1M | Resistor |
| SW1 | SW_Push | Push button switch, generic, two pins |
| Y1 | CXO_DIP8 | Crystal Clock Oscillator, DIP8-style metal package |
| Y2 | 10.738635Mhz | Two pin crystal, small symbol |
| Y3 | 1.8432MHz | Two pin crystal, small symbol |