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Hardware Replica of the TRS-80 Model I Revision HE11E011550
| Reference | Value | Description |
|---|---|---|
| Q1 | C1815 | 0.15A Ic, 50V Vce, Low Noise Audio NPN Transistor, TO-92 |
| Q2,Q5 | A1015 | -0.15A Ic, -50V Vce, Low Noise Audio PNP Transistor, TO-92 |
| Q3 | TIP29A | |
| Q4 | 2N6594 | |
| Q6 | MJE34 | |
| C1,C4,C6,C12,C14,C40 | 10uF 16V | |
| C2,C8,C20,C22-C26,C28,C29,C31,C32,C34,C35,C37-C39,C41,C44-C47,C49,C51-C56,C58,C59,C63-C69,C71,C72 | 0.1uF 12V | |
| C3,C7,C13,C15 | 0.01uF 24V | |
| C5 | 220uF 16V | |
| C9 | 2200uF 35V | |
| C10 | 10000uF 16V | |
| C11,C16,C48,C57 | 1nF | |
| C17,C18 | 220pF | |
| C19 | 100uF 16V | |
| C27,C30,C33,C36 | 0.1uF 25V | |
| C43 |
| 100pF |
| C50 | 2.7nF |
|---|
| C60 | 47pF |
|---|
| C70 | 22uF 16V |
|---|
| CN1 | Connection Mainboard Side | Generic connector, single row, 01x19, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| CN2 | Conn_01x09 | Generic connector, single row, 01x09, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| CR1 | MDA202 |
|---|
| CR2 | 1N4735 |
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| CR3 | 1N5231 |
|---|
| CR4-CR8 | 1N4148 |
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| J1-J3 | Front View |
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| J4 | Edge Connector |
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| JP1-JP3,JP9 | TRS80_Model_I_Jumper_2_Jap | Jumper, 2-pole, small symbol, open |
|---|
| JP4-JP8,JP10 | TRS80_Model_I_Jumper_3_Jap | Jumper, 2-pole, small symbol, open |
|---|
| K1 | Relay_SPDT | Relay SPDT |
|---|
| R1,R32 | 100 |
|---|
| R2,R18,R19,R28 | 1.2k |
|---|
| R3,R4 | 7.5k |
|---|
| R5 | 220k |
|---|
| R6 | 75 |
|---|
| R7 | 47 |
|---|
| R8,R75,R101-R110 | 330 |
|---|
| R9 | 120 |
|---|
| R10 | 270 |
|---|
| R11,R31,R34,R49 | 10k |
|---|
| R12,R37 | 220 |
|---|
| R13 | 68 |
|---|
| R14 | 2.7k |
|---|
| R15 | 750 |
|---|
| R16 | 0.33 |
|---|
| R17,R23 | 1k |
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| R20 | 100k |
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| R21,R24,R25 | 3.3k |
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| R22 | 1.5k |
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| R26 | 2.2k |
|---|
| R27 | 12k |
|---|
| R29 | 2k |
|---|
| R30 | 5.6 |
|---|
| R33,R51 | 1M |
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| R35 | 680k |
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| R36 | 1.8M |
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| R38,R42 | 360k |
|---|
| R39 | 10 |
|---|
| R40,R41,R48,R54,R55,R64-R72,R74,R76,R77,RP1,RP2 | 4.7k | 8 resistor network, star topology, bussed resistors, small symbol,Resistor |
|---|
| R43 | 560k |
|---|
| R44-R47,R50 | 470k |
|---|
| R52,R53 | 8.2k |
|---|
| R56,R57 | 910 |
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| S2 | Reset |
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| Y1 | 10.6445 MHz |
|---|
| Z1,Z2 | LM723C |
|---|
| Z3 | 75452 | Dual-Peripheral Drivers for High-Current, High-Speed Switching |
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| Z4,Z56 | 74LS175 | 4-bit D Flip-Flop, reset |
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| Z5 | 74LS10 | Triple 3-input NAND |
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| Z6,Z65 | 74LS92 |
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| Z7,Z28,Z34,Z35 | 74LS93 |
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| Z8,Z13,Z14,Z27,Z29,Z36 | 74LS157 | Quad 2 to 1 line Multiplexer |
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| Z9,Z10 | SRAM_2114 | 2114 4kBit x 4 Bit Static RAM |
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| Z11 | 74LS174 |
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| Z12,Z23 | 74LS245 | Octal BUS Transceivers, 3-State outputs |
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| Z15-Z22 | DRAM_4116 | 16kBit x 1 Bit Dynamic RAM |
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| Z24,Z30,Z59,Z66 | 74LS367 | Hex buffer 3-State outputs |
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| Z25 | LM3900 |
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| Z26 | 74LS14 | Hex inverter schmitt trigger |
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| Z31,Z47 | 74LS132 | Quad 2-input NAND Schmitt trigger |
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| Z32 | 74C00 |
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| Z33,Z46 | 74LS04 | Hex Inverter |
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| Z37,Z38 | MCM6670 |
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| Z39 | 74LS153 |
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| Z40,Z64,Z67 | 74LS32 | Quad 2-input OR |
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| Z41 | 74LS30 | 8-input NAND |
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| Z42 | 2364_20L |
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| Z43 | 2332_20L_21L | 2332 32kBit (4kb x 8) PROM |
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| Z44 | 74LS00 | quad 2-input NAND gate |
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| Z45,Z54 | 74LS02 | quad 2-input NOR gate |
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| Z48 | Z80CPU |
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| Z49,Z68 | 74LS244 | Octal Buffer and Line Driver With 3-State Output, active-low enables, non-inverting outputs |
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| Z50 | 7404 | Hex Inverter |
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| Z51,Z52 | 74LS08 | Quad And2 |
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| Z53,Z62,Z63 | 74LS74 | Dual D Flip-flop, Set & Reset |
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| Z55 | 74LS20 |
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| Z57,Z58 | 74LS166 |
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| Z60 | 74LS11 | Triple 3-input AND |
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| Z61 | 74LS139 | Dual Decoder 1 of 4, Active low outputs |
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