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Scripted replacement for qfn-32 4x4 (2.65x2.65 EP)

Rene Poeschl requested to merge github/fork/poeschlr/scripted_qfn_32_4x4_ep2.65 into master

This replaces an old handmade footprints that is not used by any symbol right now. (It is allowed to stay as it had all the necessary information to make a scripted one.)

Script PR: https://github.com/pointhi/kicad-footprint-generator/pull/250

https://www.renesas.com/eu/en/package-image/pdf/outdrawing/l32.4x4a.pdf

screenshot from 2018-12-28 21-19-39

QFN-32-1EP_4x4mm_P0.4mm_EP2.65x2.65mm:
  device_type: 'QFN'
  size_source: 'https://www.renesas.com/eu/en/package-image/pdf/outdrawing/l32.4x4a.pdf'
  ipc_class: 'qfn' # 'qfn_pull_back'
  body_size_x:
    nominal: 4
    tolerance: 0.05
  body_size_y:
    nominal: 4
    tolerance: 0.05
  body_height:
    nominal: 0.9
    tolerance: 0.1

  lead_width:
    nominal: 0.2
    tolerance: 0.05
  lead_len:
    nominal: 0.4
    tolerance: 0.05

  EP_size_x:
    nominal: 2.65
    tolerance: 0.05
  EP_size_y:
    nominal: 2.65
    tolerance: 0.05
  EP_num_paste_pads: [2, 2]

  thermal_vias:
    count: [3, 3]
    drill: 0.2
    paste_via_clearance: 0.1
    paste_between_vias: 1
    paste_rings_outside: 1
    grid: [0.85, 0.85]
    paste_avoid_via: True

  pitch: 0.4
  num_pins_x: 8
  num_pins_y: 8
  chamfer_edge_pins: 0.1

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