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ArqueologiaDigital/TK3000

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Esquemático do computador TK3000 redesenhado no KICAD a partir do esquemático original da Microdigital cujo scan encontrei no site Datassette (https://datassette.org/tech/apple-ii/esquema-eletrico-do-tk3000)

Componentes

  • C1: 6502
  • E15: Z80A
  • E1, E2: LS244
  • F4, F6(?): ROM
  • G1: PAL16R8A
  • H4: custom
  • H6: custom
  • H10: LS245
  • H9, H11: LS374
  • H12: LS259
  • C13: ?
  • H13: LS365
  • E13: 2716
  • F12, F13: 2114
  • E10, E3/E9?: OR GATES
  • F9: XOR? GATES
  • F10: NAND GATES
  • F7: 2764 ROM
  • H8: LS166
  • F2: NOR GATES
  • E11: FLIP FLOPS 74LS74 ?
  • E7: LS251
  • E8: NZ858?
  • E4, E5, E6: 74LS138
  • G1: ?
  • H1: ?
  • F1: BUFFER?
  • J7, J8, J9, J10, J11, J12, J13, J14: RAM

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