LomasBoards
RichCini
Small repository of files/data related to Lomas Data Products S-100 boards.
Components (55)
| Reference | Value | Description |
|---|---|---|
| Q1 | LM78L12 | |
| Q2 | L79L12 | Negative 100mA -30V Linear Regulator, Fixed Output -5V, TO-92 |
| U1 | LM7805K | Positive 1A 35V Linear Regulator, Fixed Output 5V, TO-3 |
| U2 | 74LS240 | Octal Buffer and Line Driver With 3-State Output, active-low enables, inverting outputs |
| U3,U35,U39,U62,U65 | 74LS244 | Octal Buffer and Line Driver With 3-State Output, active-low enables, non-inverting outputs |
| U4 | 8272A | Single/dual denisty floppy controller |
| U5 | 82C55A | CHMOS Programmable Peripheral Interface, PDIP-40 |
| U17 | 74LS156 | Dual 2 to 4 lines Decoder/Demultiplexer, Open Collector |
| U27,U38,U43,U52,U64 | 74LS245 | Octal BUS Transceivers, 3-State outputs |
| U28,U31 | MAX1406CPE+ | MAX1406CPE+, Line Transceiver, EIA/TIA-232, RS-232 3-TX 3-RX 3-TRX, 16-Pin PDIP |
| U29,U30 | 8251A | |
| U32 | FDC9216 | |
| U33,U63 | 7406 | Inverter Open Collect |
| U34 | 74LS138 | Decoder 3 to 8 active low outputs |
| U36,U67 | PAL16L8 | Programmable Logic Array, DIP-20 |
| U37 | 80186-3 | High-Integration 16-Bit Microprocessor |
| U40,U41 | 27256 | UV Erasable EPROM 256 KiBit, [Obsolete 2000-11] |
| U44,U51 | AS6C4008-55PCN | 512K x 8 Low Power CMOS RAM, DIP-32 |
| U45,U48,U53 | 74LS74 | Dual D Flip-flop, Set & Reset |
| U46 | 74LS06 | Inverter Open Collect |
| U47 | 74LS175 | 4-bit D Flip-Flop, reset |
| U49,U59,U61 | 74LS14 | Hex inverter schmitt trigger |
| U50,U66,U72 | 74LS373 | 8-bit Latch, 3-state outputs |
| U54,U55 | 74LS157 | Quad 2 to 1 line Multiplexer |
| U56 | 74LS161 | Synchronous 4-bit programmable binary Counter |
| U57 | 74LS04 | Hex Inverter |
| U58 | 74LS125 | Quad buffer 3-State outputs |
| U60 | 74LS153 | Dual Multiplexer 4 to 1 |
| U68 | 74LS375 | 4-bit Latch |
| U69 | 74LS08 | Quad And2 |
| U70 | 74LS32 | Quad 2-input OR |
| C1-C3 | 6.8u | |
| C4,C5,C10-C42 | 0.1 uF | |
| C6-C8 | 33u | |
| C9 | 22u | |
| D2 | 1N4148 | Diode |
| J1 | Serial 1 | Generic connector, double row, 02x10, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | Serial 0 | Generic connector, double row, 02x10, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | PARALLEL | Generic connector, double row, 02x13, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | FLOPPY34 | 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/) |
| J5 | FLOPPY50 | Generic connector, double row, 02x25, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| JP1 | ROM Size | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
| JP2 | CLK Delay | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| JP3 | SLAVE_CLR | Jumper, 2-pole, open |
| JP5 | Interrupts | Generic connector, double row, 02x14, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| JP8 | MemSrc | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| JP10 | A17 | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| P1 | S100_MALE | |
| R4 | 4.7kQ | |
| RN1,RN2 | 1.0k | 5 resistor network, star topology, bussed resistors, small symbol,9 resistor network, star topology, bussed resistors, small symbol |
| RN3,RN4 | 4.7k | 4 resistor network, star topology, bussed resistors, small symbol,9 resistor network, star topology, bussed resistors, small symbol |
| RN6 | 390 | 5 resistor network, star topology, bussed resistors, small symbol |
| SW1 | Settings | 4x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| TP1 | TestPoint | test point |
| X1 | 16MHz | Crystal Clock Oscillator, DIP8-style metal package |