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agkaminski
DIY all-in-keyboard computer featuring Z180 and floppy drive
| Reference | Value | Description |
|---|---|---|
| IC1 | Z180 | Zilog Z8S180 & Z8L180, Z80 Microprocessor Z180 8bit CISC 68-Pin PLCC |
| Q1,Q2 | BC547 | NPN TO-92 transistor, 45V, 100mA, 500mW, Complementary to BC557, Alternate KiCAD Library |
| U1 | 82077AA/PC8477 | |
| U2 | Z80 PIO A | ZILOG PIO DIP-40 Z84C20 Z8420 |
| U3 | PSG_AY-3-8912 | 3 Chanel Programable Sound Generator + 8 I/O |
| U4,U6,U22 | 74HC244 | 8-bit Buffer/Line Driver 3-state |
| U5 | XC9536PC44 | |
| U7,U11 | 74HC02 | quad 2-input NOR gate |
| U8 | 74HC138 | 3-to-8 line decoder/multiplexer inverting, DIP-16/SOIC-16/SSOP-16 |
| U9 | 74HC245 | Octal BUS Transceivers, 3-State outputs |
| U10 | 6264 | |
| U12 | 74HC574 | |
| U13 | 74HC174 | Hex D-type Flip-Flop, reset |
| U14 | 2764 | |
| U15 | 74HC166 | |
| U16,U30 | 74HC00 | quad 2-input NAND gate |
| U17 | LM386 | Low Voltage Audio Power Amplifier, DIP-8/SOIC-8/SSOP-8 |
| U18 | NE555P | Precision Timers, 555 compatible, PDIP-8 |
| U19 | 74HC163 | Synchronous 4-bit programmable binary Counter |
| U20,U21 | 74HC688 | 8-bit magnitude comparator |
| U23 | 74HC74 | Dual D Flip-flop, Set & Reset |
| U25 | MAX232 | Dual RS232 driver/receiver, 5V supply, 120kb/s, 0C-70C |
| U26 | CH340N | USB serial converter, 2Mbps, UART, SOP-8 |
| U27 | 74HC32 | Quad 2-input OR |
| U28,U40 | AS6C4008-55PCN | 512K x 8 Low Power CMOS RAM, DIP-32 |
| U29 | 27C128 | OTP EPROM 128 KiBit, [Obsolete 2004-01] |
| C1 | 4u7 | Polarized capacitor |
| C2,C3,C38,C39 | 22p | Unpolarized capacitor |
| C4-C26,C32,C35-C37,C40-C48,C52,C53,C56,C57,C70-C72 | 100n | Unpolarized capacitor |
| C27 | 47n | Unpolarized capacitor |
| C28,C29 | 150u | Polarized capacitor |
| C30,C49-C51 | 10u | Polarized capacitor |
| C33 | 10n | Unpolarized capacitor |
| C54,C55 | 470u | Polarized capacitor |
| D1 | HALT | Light emitting diode |
| D2 | POWER | Light emitting diode |
| F1 | Fuse | Fuse |
| J1 | 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/) |
| J2 | DB25_Receptacle_MountingHoles | 25-pin female receptacle socket D-SUB connector, Mounting Hole |
| J3 | DE15_Receptacle_HighDensity_MountingHoles | |
| J4 | Speaker | Generic connector, single row, 01x02, script generated |
| J5 | Conn_02x06_Odd_Even | Generic connector, double row, 02x06, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J6 | Floppy Power | Generic connector, single row, 01x04, script generated |
| J7 | DE9_Plug_MountingHoles | 9-pin male plug pin D-SUB connector, Mounting Hole |
| J8 | USB_C_Receptacle_USB2.0_14P | USB 2.0-only 14P Type-C Receptacle connector |
| J9,SW1 | Reset | Generic connector, single row, 01x02, script generated,Omron B3FS 6x6mm single pole normally-open tactile switch |
| JP1 | Jumper_2_Bridged | Jumper, 2-pole, closed/bridged |
| JTAG1 | Conn_02x05_Odd_Even | |
| R1,R2 | 100R | |
| R3-R5 | 470R | |
| R26-R28 | 2K2 | Resistor |
| R29 | 10R | Resistor |
| R30,R32 | 10K | Resistor |
| R31 | 220K | Resistor |
| R33,R38,R39,RN1,RV1 | 1K | 8 resistor network, star topology, bussed resistors, small symbol,Potentiometer,Resistor |
| R34,R35 | 1K5 | Resistor |
| R36,R37,RN2 | 47K | 8 resistor network, star topology, bussed resistors, small symbol,Resistor |
| X1 | 25.175 MHz | HCMOS Crystal Clock Oscillator, DIP14-style metal package |
| Y1 | 24 MHz | Two pin crystal |
| Y2 | 12.288 MHz | Two pin crystal |