# number of pins on left/right sides (pin1 is upper pin on left side) # number of pins on top/bottom sides # pin pitch (1/1000 mil) # y-coordinate for upper pin on left/right sides (1/1000 mil) # x-coordinate for right pin on top/bottom sides (1/1000 mil) # total horizontal package width (1/1000 mil) # total vertical package width (1/1000 mil) # how much pads extend beyond the package edge (1/1000 mil) (the 25 is 0.25 mm) # how much pads extend inward from the package pad edge (1/1000 mil) # pad length/width (1/1000 mil) # pad width (mil/100) # min/max x coordinates for the pads on the left/right sides of the package (mil/100) # min/max y coordinates for the pads on the top/bottom sides of the package (mil/100) # silkscreen width (mils/100) # how much the silk screen is moved away from the package (1/1000 mil) # upper right corner for silk screen (mil/100) # refdes text size (mil/100) # x,y coordinates for refdes label (mil/100) # square exposed paddle size (mil/100) # pad clearance to polygons (1/100 mil) # width of the pad solder mask relief (1/100 mil). # grow by 1.5 mils on each side # width of the paddle soldermask relief (1/100 mil) # grow by 200 mils on each side # element_flags, description, pcb-name, value, mark_x, mark_y, # text_x, text_y, text_direction, text_scale, text_flags Element[0x00000000 "Square Quad Flat Nolead (QFN) package" "" "QFN20_4" 0 0 -9858 -10908 0 100 0x00000000] ( # Pad[X1, Y1, X2, Y3, width, clearance, # soldermask, "pin name", "pin number", flags] # left row Pad[-8307 -3937 -5866 -3937 1102 2000 1402 "1" "1" 0x00000100] Pad[-8307 -1968 -5866 -1968 1102 2000 1402 "2" "2" 0x00000100] Pad[-8307 0 -5866 0 1102 2000 1402 "3" "3" 0x00000100] Pad[-8307 1968 -5866 1968 1102 2000 1402 "4" "4" 0x00000100] Pad[-8307 3937 -5866 3937 1102 2000 1402 "5" "5" 0x00000100] # bottom row Pad[-3937 8307 -3937 5866 1102 2000 1402 "6" "6" 0x00000900] Pad[-1968 8307 -1968 5866 1102 2000 1402 "7" "7" 0x00000900] Pad[0 8307 0 5866 1102 2000 1402 "8" "8" 0x00000900] Pad[1968 8307 1968 5866 1102 2000 1402 "9" "9" 0x00000900] Pad[3937 8307 3937 5866 1102 2000 1402 "10" "10" 0x00000900] # right row Pad[8307 3937 5866 3937 1102 2000 1402 "11" "11" 0x00000100] Pad[8307 1968 5866 1968 1102 2000 1402 "12" "12" 0x00000100] Pad[8307 0 5866 0 1102 2000 1402 "13" "13" 0x00000100] Pad[8307 -1968 5866 -1968 1102 2000 1402 "14" "14" 0x00000100] Pad[8307 -3937 5866 -3937 1102 2000 1402 "15" "15" 0x00000100] # top row Pad[3937 -8307 3937 -5866 1102 2000 1402 "16" "16" 0x00000900] Pad[1968 -8307 1968 -5866 1102 2000 1402 "17" "17" 0x00000900] Pad[0 -8307 0 -5866 1102 2000 1402 "18" "18" 0x00000900] Pad[-1968 -8307 -1968 -5866 1102 2000 1402 "19" "19" 0x00000900] Pad[-3937 -8307 -3937 -5866 1102 2000 1402 "20" "20" 0x00000900] # Exposed paddle (if this is an exposed paddle part) Pad[ 0 0 0 0 10236 1000 10736 "21" "21" 0x900] # Silk screen around package ElementLine[ 9858 9858 9858 -9858 1000] ElementLine[ 9858 -9858 -9858 -9858 1000] ElementLine[-9858 -9858 -9858 9858 1000] ElementLine[-9858 9858 9858 9858 1000] # Pin 1 indicator ElementLine[-9858 -9858 -11358 -11358 1000] )