/usr/share/pcb/pcblib-newlib/geda/TSSOP28.fp is in pcb-common 20110918-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | # number of pads
# pad width in 1/1000 mil
# pad length in 1/1000 mil
# pad pitch 1/1000 mil
# seperation between pads on opposite sides 1/1000 mil
# X coordinates for the right hand column of pads (1/100 mils)
# pad clearance to plane layer in 1/100 mil
# pad soldermask width in 1/100 mil
# silk screen width (1/100 mils)
# figure out if we have an even or odd number of pins per side
# silk bounding box is -XMAX,-YMAX, XMAX,YMAX (1/100 mils)
# element_flags, description, pcb-name, value, mark_x, mark_y,
# text_x, text_y, text_direction, text_scale, text_flags
Element[0x00000000 "Thin shrink small outline package, standard (4.4mm)" "" "TSSOP28" 0 0 -2000 -6000 0 100 0x00000000]
(
#
# Pad[x1, y1, x2, y2, thickness, clearance, mask, name , pad number, flags]
Pad[ -13917 -16633
-9311 -16633
1299 1000 2299 "1" "1" 0x00000100]
Pad[ -13917 -14074
-9311 -14074
1299 1000 2299 "2" "2" 0x00000100]
Pad[ -13917 -11515
-9311 -11515
1299 1000 2299 "3" "3" 0x00000100]
Pad[ -13917 -8956
-9311 -8956
1299 1000 2299 "4" "4" 0x00000100]
Pad[ -13917 -6397
-9311 -6397
1299 1000 2299 "5" "5" 0x00000100]
Pad[ -13917 -3838
-9311 -3838
1299 1000 2299 "6" "6" 0x00000100]
Pad[ -13917 -1279
-9311 -1279
1299 1000 2299 "7" "7" 0x00000100]
Pad[ -13917 1279
-9311 1279
1299 1000 2299 "8" "8" 0x00000100]
Pad[ -13917 3838
-9311 3838
1299 1000 2299 "9" "9" 0x00000100]
Pad[ -13917 6397
-9311 6397
1299 1000 2299 "10" "10" 0x00000100]
Pad[ -13917 8956
-9311 8956
1299 1000 2299 "11" "11" 0x00000100]
Pad[ -13917 11515
-9311 11515
1299 1000 2299 "12" "12" 0x00000100]
Pad[ -13917 14074
-9311 14074
1299 1000 2299 "13" "13" 0x00000100]
Pad[ -13917 16633
-9311 16633
1299 1000 2299 "14" "14" 0x00000100]
Pad[ 13917 16633
9311 16633
1299 1000 2299 "15" "15" 0x00000100]
Pad[ 13917 14074
9311 14074
1299 1000 2299 "16" "16" 0x00000100]
Pad[ 13917 11515
9311 11515
1299 1000 2299 "17" "17" 0x00000100]
Pad[ 13917 8956
9311 8956
1299 1000 2299 "18" "18" 0x00000100]
Pad[ 13917 6397
9311 6397
1299 1000 2299 "19" "19" 0x00000100]
Pad[ 13917 3838
9311 3838
1299 1000 2299 "20" "20" 0x00000100]
Pad[ 13917 1279
9311 1279
1299 1000 2299 "21" "21" 0x00000100]
Pad[ 13917 -1279
9311 -1279
1299 1000 2299 "22" "22" 0x00000100]
Pad[ 13917 -3838
9311 -3838
1299 1000 2299 "23" "23" 0x00000100]
Pad[ 13917 -6397
9311 -6397
1299 1000 2299 "24" "24" 0x00000100]
Pad[ 13917 -8956
9311 -8956
1299 1000 2299 "25" "25" 0x00000100]
Pad[ 13917 -11515
9311 -11515
1299 1000 2299 "26" "26" 0x00000100]
Pad[ 13917 -14074
9311 -14074
1299 1000 2299 "27" "27" 0x00000100]
Pad[ 13917 -16633
9311 -16633
1299 1000 2299 "28" "28" 0x00000100]
ElementLine[-15566 -18283 -15566 18283 1000]
ElementLine[-15566 18283 15566 18283 1000]
ElementLine[ 15566 18283 15566 -18283 1000]
ElementLine[-15566 -18283 -2500 -18283 1000]
ElementLine[ 15566 -18283 2500 -18283 1000]
# punt on the arc on small parts as it can cover the pads
ElementArc[0 -18283 2500 2500 0 180 1000]
)
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