Logs
Chip docs (most recent first)
3 operation(s)

  • Chip doc#3833 has been inserted by helencroft

    Attribute Old value New value
    chip null NEC uPD7220A
    file_name null nec7220-687f6591ae1f5688651415.pdf
    id null 3833
    link_name null uPD7220 Datasheet Rev 4
    updated_at null 2025-07-22 10:18:57
    4c3a2e4c3d8f0edfc0f1c6b9d3c062bcdcc0e6b3

  • Chip doc#3834 has been inserted by helencroft

    Attribute Old value New value
    chip null NEC uPD7220A
    datePrecision null m
    file_name null upd7220-upd7220a-user-manual-dec85-687f6591b0bcf809809759.pdf
    id null 3834
    link_name null uPD7220(A) User's Manual
    releaseDate null 1985-12-01
    updated_at null 2025-07-22 10:18:57
    4c3a2e4c3d8f0edfc0f1c6b9d3c062bcdcc0e6b3

  • Chip doc#3835 has been inserted by helencroft

    Attribute Old value New value
    chip null NEC uPD7220A
    datePrecision null y
    file_name null upd7220-gdc-design-manual-version-3-1982-687f6591b2bc1752491892.pdf
    id null 3835
    link_name null uPD7220 Design Manual Rev 3
    releaseDate null 1982-01-01
    updated_at null 2025-07-22 10:18:57
    4c3a2e4c3d8f0edfc0f1c6b9d3c062bcdcc0e6b3
Chips (most recent first)
3 operation(s)