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roberto314
Recreation of the very rare K-K Systems EVA-1 Display Adapter for the Epson HX-20 Computer
| Reference | Value | Description |
|---|---|---|
| Q1 | BF245A | 50mA Id, 30V Vgs, N-Channel FET Transistor, TO-92 |
| Q2,Q3 | BC337 | 0.8A Ic, 45V Vce, NPN Transistor, TO-92 |
| U1 | 6116 | SRAM 16 KiBit |
| U2,U14 | 74LS273 | 8-bit D Flip-Flop, reset |
| U3,U17 | 2716 | OTP SRAM 16 KiBit, [Obsolete 2004-01], 2716 |
| U4,U23,U24 | 74LS74 | Dual D Flip-flop, Set & Reset |
| U5,U36 | 74LS245 |
| Octal BUS Transceivers, 3-State outputs |
| U6-U8 | 74LS157 | Quad 2 to 1 line Multiplexer |
|---|
| U9,U22 | 74LS04 | Hex Inverter |
|---|
| U10,U35 | 74LS166 | Shift Register 8-bit, parallel load |
|---|
| U11 | 74LS51 | Dual 3- and 2-input AND-NOR ( S = /(AB[C] + DE[F]) ) |
|---|
| U12,U31,U42-U44 | 74LS32 | Quad 2-input OR |
|---|
| U13 | 74LS221 | Dual Monostable |
|---|
| U15 | MC6803 |
|---|
| U16 | MC6845 |
|---|
| U18,U37 | 74LS08 | Quad And2 |
|---|
| U19 | 74LS86 | Quad 2-input XOR |
|---|
| U20 | 74LS290 | 4-bit BCD counter |
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| U21 | 74LS139 | Dual Decoder 1 of 4, Active low outputs |
|---|
| U25-U28 | 74LS244 | Octal Buffer and Line Driver With 3-State Output, active-low enables, non-inverting outputs |
|---|
| U29 | 74LS107 | Dual JK Flip-Flop, reset |
|---|
| U30 | LM733CN | Single Differential Amplifier, DIP-14 |
|---|
| U32-U34,U39-U41 | 4116 | DRAM Z80 |
|---|
| U38 | 74LS14 | Hex inverter schmitt trigger |
|---|
| U45 | 75189 |
|---|
| U46 | 75188 |
|---|
| C1,C3,C6,C8,C10-C13,C15,C18,C19,C22,C25-C29,C31-C35 | 100n |
|---|
| C2,C4,C5,C9,C14,C16,C17,C20,C21,C30,R18 | ? | Resistor, small symbol |
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| C7 | 47p |
|---|
| C23 | 47u/35 | Polarized capacitor, small symbol |
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| C24 | 1n2 |
|---|
| C36 | C_Trim | Trimmable capacitor |
|---|
| D1 | 1N4148 | Diode, small symbol, filled shape |
|---|
| J1 | Modulator | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J2 | BAS | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3 | Power | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J4 | HX20 |
|---|
| J5 | TF20 |
|---|
| R1 | 100k |
|---|
| R2,R4,R8 | 82E | Resistor, small symbol |
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| R3 | 560E | Resistor, small symbol |
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| R5,R6,R10,R14 | 2k2 | Resistor, small symbol |
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| R7,R11,R16 | 220E | Resistor, small symbol |
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| R9 | 47E | Resistor, small symbol |
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| R12,R15 | 1k | Resistor, small symbol |
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| R13,R17,R20 | 470E | Resistor, small symbol |
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| R19,R22 | 10k | Resistor, small symbol |
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| R21 | 4k7 | Resistor, small symbol |
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| TP1,TP2 | TestPoint | test point |
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| Y1 | 18M432 |
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