(kicad_pcb (version 20221018) (generator pcbnew)

  (general
    (thickness 1.6)
  )

  (paper "A4")
  (layers
    (0 "F.Cu" signal)
    (31 "B.Cu" signal)
    (32 "B.Adhes" user "B.Adhesive")
    (33 "F.Adhes" user "F.Adhesive")
    (34 "B.Paste" user)
    (35 "F.Paste" user)
    (36 "B.SilkS" user "B.Silkscreen")
    (37 "F.SilkS" user "F.Silkscreen")
    (38 "B.Mask" user)
    (39 "F.Mask" user)
    (40 "Dwgs.User" user "User.Drawings")
    (41 "Cmts.User" user "User.Comments")
    (42 "Eco1.User" user "User.Eco1")
    (43 "Eco2.User" user "User.Eco2")
    (44 "Edge.Cuts" user)
    (45 "Margin" user)
    (46 "B.CrtYd" user "B.Courtyard")
    (47 "F.CrtYd" user "F.Courtyard")
    (48 "B.Fab" user)
    (49 "F.Fab" user)
    (50 "User.1" user)
    (51 "User.2" user)
    (52 "User.3" user)
    (53 "User.4" user)
    (54 "User.5" user)
    (55 "User.6" user)
    (56 "User.7" user)
    (57 "User.8" user)
    (58 "User.9" user)
  )

  (setup
    (pad_to_mask_clearance 0)
    (pcbplotparams
      (layerselection 0x00010fc_ffffffff)
      (plot_on_all_layers_selection 0x0000000_00000000)
      (disableapertmacros false)
      (usegerberextensions false)
      (usegerberattributes true)
      (usegerberadvancedattributes true)
      (creategerberjobfile true)
      (dashed_line_dash_ratio 12.000000)
      (dashed_line_gap_ratio 3.000000)
      (svgprecision 4)
      (plotframeref false)
      (viasonmask false)
      (mode 1)
      (useauxorigin false)
      (hpglpennumber 1)
      (hpglpenspeed 20)
      (hpglpendiameter 15.000000)
      (dxfpolygonmode true)
      (dxfimperialunits true)
      (dxfusepcbnewfont true)
      (psnegative false)
      (psa4output false)
      (plotreference true)
      (plotvalue true)
      (plotinvisibletext false)
      (sketchpadsonfab false)
      (subtractmaskfromsilk false)
      (outputformat 1)
      (mirror false)
      (drillshape 1)
      (scaleselection 1)
      (outputdirectory "")
    )
  )

  (net 0 "")
  (net 1 "Net-(U3-Q3)")
  (net 2 "Net-(D9-A)")
  (net 3 "Net-(U1-Q2)")
  (net 4 "Net-(D2-A)")
  (net 5 "Net-(U1-Q3)")
  (net 6 "Net-(D1-A)")
  (net 7 "Net-(U1-Q1)")
  (net 8 "Net-(D3-A)")
  (net 9 "Net-(U1-Q0)")
  (net 10 "Net-(D4-A)")
  (net 11 "Net-(U2-Q3)")
  (net 12 "Net-(D5-A)")
  (net 13 "Net-(U2-Q2)")
  (net 14 "Net-(D6-A)")
  (net 15 "Net-(U2-Q1)")
  (net 16 "Net-(D7-A)")
  (net 17 "Net-(U2-Q0)")
  (net 18 "Net-(D8-A)")
  (net 19 "Net-(U3-Q2)")
  (net 20 "Net-(D10-A)")
  (net 21 "Net-(U3-Q1)")
  (net 22 "Net-(D11-A)")
  (net 23 "Net-(U3-Q0)")
  (net 24 "Net-(D12-A)")
  (net 25 "Net-(U5-Q3)")
  (net 26 "Net-(D13-A)")
  (net 27 "Net-(U5-Q2)")
  (net 28 "Net-(D14-A)")
  (net 29 "Net-(U5-Q1)")
  (net 30 "Net-(D15-A)")
  (net 31 "Net-(U5-Q0)")
  (net 32 "Net-(D16-A)")
  (net 33 "+5V")
  (net 34 "GND")
  (net 35 "ADDRESS_00")
  (net 36 "ADDRESS_01")
  (net 37 "ADDRESS_02")
  (net 38 "ADDRESS_03")
  (net 39 "ADDRESS_04")
  (net 40 "ADDRESS_05")
  (net 41 "ADDRESS_06")
  (net 42 "ADDRESS_07")
  (net 43 "~{PC_OUT}")
  (net 44 "ADDRESS_08")
  (net 45 "ADDRESS_09")
  (net 46 "ADDRESS_10")
  (net 47 "ADDRESS_11")
  (net 48 "ADDRESS_12")
  (net 49 "ADDRESS_13")
  (net 50 "ADDRESS_14")
  (net 51 "ADDRESS_15")
  (net 52 "~{PC_RST}")
  (net 53 "PC_INC")
  (net 54 "~{PC_LOAD}")
  (net 55 "Net-(U3-CET)")
  (net 56 "Net-(U2-CET)")
  (net 57 "Net-(U1-CET)")

  (footprint "Package_DIP:DIP-16_W7.62mm_LongPads" (layer "F.Cu")
    (tstamp 134f584b-92fa-4456-b820-ceba6d27d437)
    (at 103.08 71.38)
    (descr "16-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), LongPads")
    (tags "THT DIP DIL PDIP 2.54mm 7.62mm 300mil LongPads")
    (property "Sheetfile" "program-counter.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Synchronous 4-bit programmable binary Counter")
    (property "ki_keywords" "TTL CNT CNT4")
    (path "/f19685d0-d93d-4035-931f-e20bd2421d55")
    (attr through_hole)
    (fp_text reference "U2" (at 3.81 -2.33) (layer "F.SilkS")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 7fecb056-26b8-4f2c-972a-780b87a87c06)
    )
    (fp_text value "74LS161" (at 3.81 20.11) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp fae6cab0-b9bc-44ce-bf48-0a154101c0e7)
    )
    (fp_text user "${REFERENCE}" (at 3.81 8.89) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp eee10bc3-d6a0-405a-8680-73839058ae0e)
    )
    (fp_line (start 1.56 -1.33) (end 1.56 19.11)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp f70e56f7-69a6-4ed3-9b30-bca24a6059fd))
    (fp_line (start 1.56 19.11) (end 6.06 19.11)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp df623de2-3309-4b84-8970-84fd596f75af))
    (fp_line (start 2.81 -1.33) (end 1.56 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 78ae6d8c-a845-46ec-be6c-d394e1fafffa))
    (fp_line (start 6.06 -1.33) (end 4.81 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 1805b880-831c-4d1b-8ef7-ed4a010911f8))
    (fp_line (start 6.06 19.11) (end 6.06 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp ade4ae1a-4589-4a4c-9c6c-7694884e0fd4))
    (fp_arc (start 4.81 -1.33) (mid 3.81 -0.33) (end 2.81 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 2f5a6945-0277-4dba-9845-ca080d2362b5))
    (fp_line (start -1.45 -1.55) (end -1.45 19.3)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 0d8e266c-a150-407e-bfb2-dd36ea21edd3))
    (fp_line (start -1.45 19.3) (end 9.1 19.3)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp cf494c77-cbeb-4873-9e3b-a09b7ce9b5a4))
    (fp_line (start 9.1 -1.55) (end -1.45 -1.55)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 4b5f18da-10c7-48da-801f-99c609fa8899))
    (fp_line (start 9.1 19.3) (end 9.1 -1.55)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp d35b92d7-5ad5-4f4e-8daf-7d093806012d))
    (fp_line (start 0.635 -0.27) (end 1.635 -1.27)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp 1710a555-f133-4069-a169-3490f048c748))
    (fp_line (start 0.635 19.05) (end 0.635 -0.27)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp 8486922f-e7e2-4d8e-9449-c6e6b5d5a90e))
    (fp_line (start 1.635 -1.27) (end 6.985 -1.27)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp f087e0b4-fbc5-4e4b-80f1-73aef3d32f87))
    (fp_line (start 6.985 -1.27) (end 6.985 19.05)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp 0b251900-8d5c-4883-a2fa-27f93f2442b1))
    (fp_line (start 6.985 19.05) (end 0.635 19.05)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp e559b7f8-f16c-476a-81a0-32d0ff52a83b))
    (pad "1" thru_hole rect (at 0 0) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 52 "~{PC_RST}") (pinfunction "~{MR}") (pintype "input") (tstamp d3859336-dfaf-40b7-8464-0131ad43fbfc))
    (pad "2" thru_hole oval (at 0 2.54) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 53 "PC_INC") (pinfunction "CP") (pintype "input") (tstamp 0b483afd-890d-4e62-a30f-4115e6601b44))
    (pad "3" thru_hole oval (at 0 5.08) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 44 "ADDRESS_08") (pinfunction "D0") (pintype "input") (tstamp bb56d503-8bbe-47ee-b74d-e767d1d884ce))
    (pad "4" thru_hole oval (at 0 7.62) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 45 "ADDRESS_09") (pinfunction "D1") (pintype "input") (tstamp ffd2906b-7620-444b-8d51-8689c7d895f7))
    (pad "5" thru_hole oval (at 0 10.16) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 46 "ADDRESS_10") (pinfunction "D2") (pintype "input") (tstamp d2c5c7c8-90df-40a5-b352-5ad9d2b729b9))
    (pad "6" thru_hole oval (at 0 12.7) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 47 "ADDRESS_11") (pinfunction "D3") (pintype "input") (tstamp 6e4c8f6d-bfc0-4084-a8c4-f940f19fc71a))
    (pad "7" thru_hole oval (at 0 15.24) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 34 "GND") (pinfunction "CEP") (pintype "input") (tstamp 620e7ae4-b036-4c65-807c-9878f1c89c30))
    (pad "8" thru_hole oval (at 0 17.78) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 34 "GND") (pinfunction "GND") (pintype "power_in") (tstamp a0c02b2d-8810-4010-8897-2811632cb2e8))
    (pad "9" thru_hole oval (at 7.62 17.78) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 54 "~{PC_LOAD}") (pinfunction "~{PE}") (pintype "input") (tstamp c113abd5-003f-4629-94a9-471149911288))
    (pad "10" thru_hole oval (at 7.62 15.24) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 56 "Net-(U2-CET)") (pinfunction "CET") (pintype "input") (tstamp eceb30f0-86d7-4c8b-8e90-2abd1f4d3fbf))
    (pad "11" thru_hole oval (at 7.62 12.7) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 11 "Net-(U2-Q3)") (pinfunction "Q3") (pintype "output") (tstamp 945ed4de-f761-499d-b4a6-f87283901dc5))
    (pad "12" thru_hole oval (at 7.62 10.16) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 13 "Net-(U2-Q2)") (pinfunction "Q2") (pintype "output") (tstamp 738ebcca-3f4a-4009-b14e-f9a7cd021a58))
    (pad "13" thru_hole oval (at 7.62 7.62) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 15 "Net-(U2-Q1)") (pinfunction "Q1") (pintype "output") (tstamp 767a66b5-d5c4-47a7-8ae6-7c9176e5fbd4))
    (pad "14" thru_hole oval (at 7.62 5.08) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 17 "Net-(U2-Q0)") (pinfunction "Q0") (pintype "output") (tstamp a182e810-b95f-4899-8fae-d713fb601684))
    (pad "15" thru_hole oval (at 7.62 2.54) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 57 "Net-(U1-CET)") (pinfunction "TC") (pintype "output") (tstamp 04e946ce-cc9d-473f-9889-9fb985b9f37d))
    (pad "16" thru_hole oval (at 7.62 0) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 33 "+5V") (pinfunction "VCC") (pintype "power_in") (tstamp 8792106c-505e-430b-b23e-45f9c03716ea))
    (model "${KICAD6_3DMODEL_DIR}/Package_DIP.3dshapes/DIP-16_W7.62mm.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "Package_DIP:DIP-16_W7.62mm_LongPads" (layer "F.Cu")
    (tstamp 1f2c4782-8f14-4ed0-bbaa-3423a2faa36a)
    (at 91.48 71.38)
    (descr "16-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), LongPads")
    (tags "THT DIP DIL PDIP 2.54mm 7.62mm 300mil LongPads")
    (property "Sheetfile" "program-counter.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Synchronous 4-bit programmable binary Counter")
    (property "ki_keywords" "TTL CNT CNT4")
    (path "/1cf675ae-626d-4e41-ac8a-6ccd2c33f3c4")
    (attr through_hole)
    (fp_text reference "U1" (at 3.81 -2.33) (layer "F.SilkS")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 0bce06c0-8f28-4f78-87ef-bffaff44f7fc)
    )
    (fp_text value "74LS161" (at 3.81 20.11) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp bba1846d-e5c1-4b90-9481-7976cdbb266e)
    )
    (fp_text user "${REFERENCE}" (at 3.81 8.89) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 41ea1a12-4cfb-43fb-a2f9-055b0f419b71)
    )
    (fp_line (start 1.56 -1.33) (end 1.56 19.11)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp b706bcb4-43e0-40a3-88cd-14e614e9a991))
    (fp_line (start 1.56 19.11) (end 6.06 19.11)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp ca994c37-b15b-4dd0-9090-0f31b6737918))
    (fp_line (start 2.81 -1.33) (end 1.56 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp d9f84a19-5bba-4d16-a979-19735deaf2d5))
    (fp_line (start 6.06 -1.33) (end 4.81 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 96bab585-5a7b-47ac-99aa-9d4a24899a8b))
    (fp_line (start 6.06 19.11) (end 6.06 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp a9686d98-6639-4324-9bba-4ee980e51255))
    (fp_arc (start 4.81 -1.33) (mid 3.81 -0.33) (end 2.81 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 1f0624bc-3517-4315-afa9-6de3bb8bfb74))
    (fp_line (start -1.45 -1.55) (end -1.45 19.3)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 8f4c3735-6c72-4bab-abb0-d675c18d99a3))
    (fp_line (start -1.45 19.3) (end 9.1 19.3)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 8e995e2e-5c5a-4cd4-8d7d-5aba0f90a331))
    (fp_line (start 9.1 -1.55) (end -1.45 -1.55)
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    (fp_line (start 0.635 -0.27) (end 1.635 -1.27)
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    (pad "1" thru_hole rect (at 0 0) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 52 "~{PC_RST}") (pinfunction "~{MR}") (pintype "input") (tstamp eb6c6808-04a3-4484-9a86-1770fc6390ae))
    (pad "2" thru_hole oval (at 0 2.54) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 53 "PC_INC") (pinfunction "CP") (pintype "input") (tstamp 5c282502-6260-47b5-b943-6ca52f25b43d))
    (pad "3" thru_hole oval (at 0 5.08) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 48 "ADDRESS_12") (pinfunction "D0") (pintype "input") (tstamp 97fd82da-6677-415e-9042-1081566914c6))
    (pad "4" thru_hole oval (at 0 7.62) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 49 "ADDRESS_13") (pinfunction "D1") (pintype "input") (tstamp 4ff9ea20-0950-4f14-96a4-233c5c1e1cab))
    (pad "5" thru_hole oval (at 0 10.16) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 50 "ADDRESS_14") (pinfunction "D2") (pintype "input") (tstamp 9d3e6660-882d-4811-8226-c33711084cc8))
    (pad "6" thru_hole oval (at 0 12.7) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 51 "ADDRESS_15") (pinfunction "D3") (pintype "input") (tstamp 85c46806-6c92-4a7b-9d48-b26c7e6134c6))
    (pad "7" thru_hole oval (at 0 15.24) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 34 "GND") (pinfunction "CEP") (pintype "input") (tstamp a7c6bb9c-c6c3-4a53-b0e5-b8551f790cd3))
    (pad "8" thru_hole oval (at 0 17.78) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 34 "GND") (pinfunction "GND") (pintype "power_in") (tstamp dec3a5ba-c753-4d82-85ec-9d2532051fb2))
    (pad "9" thru_hole oval (at 7.62 17.78) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 54 "~{PC_LOAD}") (pinfunction "~{PE}") (pintype "input") (tstamp c9427661-3bbf-479a-9550-b91161c33899))
    (pad "10" thru_hole oval (at 7.62 15.24) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 57 "Net-(U1-CET)") (pinfunction "CET") (pintype "input") (tstamp 3fb57ba6-2bf0-42a6-b272-4c52bdc3ef6d))
    (pad "11" thru_hole oval (at 7.62 12.7) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 5 "Net-(U1-Q3)") (pinfunction "Q3") (pintype "output") (tstamp a3f41441-c9d0-4af9-a662-e82067495ad7))
    (pad "12" thru_hole oval (at 7.62 10.16) (size 2.4 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 3 "Net-(U1-Q2)") (pinfunction "Q2") (pintype "output") (tstamp 99799c0b-1b3b-4298-b751-cc7e261ade28))
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