MyCpu
fortinsylvain
Home brew CPU Hardware with 1-bit ALU implementation using 74LSxx, a micro-code and assembler coded in C#.
Components (43)
| Reference | Value | Description |
|---|---|---|
| U1,U2 | IMS1423S35 | |
| U3 | 74LS151 | Multiplexer 8 to 1 |
| U4 | 74LS74 | Dual D Flip-flop, Set & Reset |
| U5 | 74LS259 | 8-bit addressable latch |
| U6,U22 | 74LS244 | Octal Buffer and Line Driver With 3-State Output, active-low enables, non-inverting outputs |
| U7,U8 | 74LS153 | Dual Multiplexer 4 to 1 |
| U9,U10,U12,U13,U31 | 74LS374 | 8-bit Register, 3-state outputs |
| U11 | 74LS245 | Octal BUS Transceivers, 3-State outputs |
| U14-U17 | 74HCT161N | Synchronous 4-bit programmable binary Counter |
| U18,U19,U70 | 28C256 | Paged Parallel EEPROM 256Kb (32K x 8), DIP-28/SOIC-28 |
| U20,U21 | GAL16V8C | Programmable Logic Array, DIP-20/SOIC-20/PLCC-20 |
| U23,U26,U28 | 74LS00 | quad 2-input NAND gate |
| U24 | 74LS32 | Quad 2-input OR |
| U25 | 74LS86 | Quad 2-input XOR |
| U27 | 74LS08 | Quad And2 |
| U29,U30 | GAL22V10 | Not in Production, CMOS Programmable Electrically Erasable Logic Device, DIP-24 |
| U32 | NE555P | Precision Timers, 555 compatible, PDIP-8 |
| U33 | 74LS04 | Hex Inverter |
| U71 | HM62256BLP | 32,768-word × 8-bit High Speed CMOS Static RAM, 70ns, DIP-28 |
| BAR1 | HDSP-4830_2 | BAR GRAPH 10 segment block, high efficiency red |
| C1-C34,C37,C39 | 0.1uF | capacitor, small US symbol |
| C35 | 10nF | capacitor, small US symbol |
| C36,C38 | 10 uF | Polarized capacitor, small symbol |
| D1-D19 | LED | Light emitting diode |
| J1,J2 | Conn_02x17_Odd_Even | Generic connector, double row, 02x17, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3,J4 | Conn_01x08 | Generic connector, single row, 01x08, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J5 | Screw_Terminal_01x02 | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J6 | SMA Connector | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J7 | Conn_02x03_Odd_Even | 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/) |
| J8-J11 | Conn_01x09 | Generic connector, single row, 01x09, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J12 | Conn_01x06 | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J13 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1 | 50 Ohms | Resistor, US symbol |
| R2,R3 | 4.7k | Resistor, US symbol |
| R4-R18,R29,R38,R39 | 470 | Resistor, US symbol |
| R19-R21,R43 | 4.7K | Resistor, US symbol |
| R22-R28,R45-R47 | 0 Ohms | Resistor, US symbol |
| R30-R37,R44 | 330 | Resistor, US symbol |
| R40 | 1M Ohms | Resistor, US symbol |
| R41 | 47 kOhms | Resistor, US symbol |
| R42 | 1 kOhms | Resistor, US symbol |
| SW1 | SW_Push | Push button switch, generic, two pins |
| Y1 | EC1125HSTS 26.8 MHz | Crystal Clock Oscillator, DIP8-style metal package |