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Andy18650
A Z80 computer with protected mode support
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N7000 | 0.2A Id, 200V Vds, N-Channel MOSFET, 2.6V Logic Level, TO-92 |
| U1 | Z80CPU | 8-bit General Purpose Microprocessor, DIP-40 |
| U2,U3 | AS6C4008-55PCN | 512K x 8 Low Power CMOS RAM, DIP-32 |
| U4,U5 | CY7C199 | |
| U6,U8,U18 | 74LS138 | Decoder 3 to 8 active low outputs |
| U7 | SST39SF010 | Silicon Storage Technology (SSF) 128k x 8 Flash ROM |
| U9,U20,U21,U36 | 74LS574 | 8-bit Register, 3-state outputs |
| U10,U15,U16,U31,U37 | 74LS32 | Quad 2-input OR |
| U11 | 74LS00 | quad 2-input NAND gate |
| U12 | 74LS04 | Hex Inverter |
| U13,U14 | 74LS245 | Octal BUS Transceivers, 3-State outputs |
| U17,U33 | 74LS20 | Dual 4-input NAND |
| U19,U28 | 74LS30 | 8-input NAND |
| U22,U41 | 74LS02 | quad 2-input NOR gate |
| U23,U24,U27,U29,U30,U50 | 74LS74 | Dual D Flip-flop, Set & Reset |
| U25,U26,U44 | 74LS541 | 8-bit Buffer/Line Driver 3-state outputs |
| U32 | LM79M05_TO220 | Negative 500mA 35V Linear Regulator, Fixed Output 5V, TO-220 |
| U34 | 74LS393 | Dual BCD 4-bit counter |
| U35 | 74LS08 | Quad And2 |
| U38,U39 | 74LS47 | BCD to 7-segment Driver, Open Collector, 30V outputs |
| U40 | DA56-11SURKWA | Double digit 7 segment hyper red LED common anode |
| U42 | 74LS06 | Inverter Open Collect |
| U45 | 74LS14 | Hex inverter schmitt trigger |
| U46 | 74LS123 | Dual retriggerable Monostable |
| U47 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 |
| U48 | 74LS27 | Triple 3-input NOR |
| U49 | PCF8584 | I2C Bus Controller, DIP/SOIC-20 |
| U51 | 74LS139 | Dual Decoder 1 of 4, Active low outputs |
| U52 | 74LS10 | Triple 3-input NAND |
| C1-C8,C13-C20,C22-C29,C37,C38 | C | Unpolarized capacitor |
| C9-C12,C21,C30,C33-C35 | C_Polarized | Polarized capacitor |
| C39 | C_Polarized_Small | Polarized capacitor, small symbol |
| D1 | LED | Light emitting diode |
| D2 | 1N4148 | 100V 0.15A standard switching diode, DO-35 |
| H1-H6 | MountingHole_Pad | Mounting Hole with connection |
| H7-H10 | MountingHole | Mounting Hole without connection |
| J1 | Barrel_Jack_Switch | DC Barrel Jack with an internal switch |
| J2 | Conn_02x12_Odd_Even | Generic connector, double row, 02x12, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3,J9,J10 | Conn_02x05_Odd_Even | Generic connector, double row, 02x05, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), 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 | DE9_Plug_MountingHoles | 9-pin male plug pin D-SUB connector, Mounting Hole |
| J7 | AudioJack3 | Audio Jack, 3 Poles (Stereo / TRS) |
| J8 | NES_Port_Male | |
| J11 | Conn_01x01_Pin | Generic connector, single row, 01x01, script generated |
| J12 | AudioJack3_SwitchTR | Audio Jack, 3 Poles (Stereo / TRS), Switched TR Poles (Normalling) |
| J13,J14 | Conn_01x07_Pin | Generic connector, single row, 01x07, script generated |
| JP1,JP2 | SolderJumper_2_Open | Solder Jumper, 2-pole, open |
| JP3 | Jumper_3_Bridged12 | Jumper, 3-pole, pins 1+2 closed/bridged |
| K1 | FINDER-34.51 | Ultra-slim 1 Pole - 6A SPDT relay |
| PS1 | ITX0512S | XP Power 6W, 1000 VDC Isolated DC/DC Converter Module, Fully Regulated Dual Output Voltage ±12V, ±250mA, 5V Input Voltage, SIP |
| R1,R3 | 10K | Resistor |
| R2,R4-R11 | R | Resistor |
| RN1 | R_Network08 | 8 resistor network, star topology, bussed resistors, small symbol |
| RN2,RN5-RN9 | R_Network04 | 4 resistor network, star topology, bussed resistors, small symbol |
| RN3,RN4 | R_Pack08 | 8 resistor network, parallel topology |
| SW1 | SW_DIP_x04 | 4x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| SW2,SW3 | SW_Push | Push button switch, generic, two pins |
| TP1-TP4 | TestPoint | test point |
| X1 | CXO_DIP8 | Crystal Clock Oscillator, DIP8-style metal package |