(kicad_symbol_lib (version 20211014) (generator kicad_symbol_editor)
  (symbol "DS7820" (in_bom yes) (on_board yes)
    (property "Reference" "U" (id 0) (at -16.51 8.89 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "DS7820" (id 1) (at 14.224 8.89 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_DIP:DIP-14_W7.62mm" (id 2) (at 0 -15.24 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://pdf1.alldatasheet.com/datasheet-pdf/view/942427/NSC/DS7820.html" (id 3) (at -57.15 7.112 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_keywords" "Dual line receiver" (id 4) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_description" "Dual line receiver, VDD +5V, DIP-14" (id 5) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_fp_filters" "DIP*W7.62mm*" (id 6) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (symbol "DS7820_0_1"
      (rectangle (start -17.78 7.62) (end 17.78 -10.16)
        (stroke (width 0.254) (type default) (color 0 0 0 0))
        (fill (type background))
      )
    )
    (symbol "DS7820_1_1"
      (pin input line (at -20.32 5.08 0) (length 2.54)
        (name "INPUT" (effects (font (size 1.27 1.27))))
        (number "1" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 20.32 -2.54 180) (length 2.54)
        (name "STROBE" (effects (font (size 1.27 1.27))))
        (number "10" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 20.32 0 180) (length 2.54)
        (name "INPUT" (effects (font (size 1.27 1.27))))
        (number "11" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 20.32 2.54 180) (length 2.54)
        (name "TERMINATION" (effects (font (size 1.27 1.27))))
        (number "12" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 20.32 5.08 180) (length 2.54)
        (name "INPUT" (effects (font (size 1.27 1.27))))
        (number "13" (effects (font (size 1.27 1.27))))
      )
      (pin power_in line (at 0 10.16 270) (length 2.54)
        (name "VCC" (effects (font (size 1.27 1.27))))
        (number "14" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -20.32 2.54 0) (length 2.54)
        (name "TERMINATION" (effects (font (size 1.27 1.27))))
        (number "2" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -20.32 0 0) (length 2.54)
        (name "INPUT" (effects (font (size 1.27 1.27))))
        (number "3" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -20.32 -2.54 0) (length 2.54)
        (name "STROBE" (effects (font (size 1.27 1.27))))
        (number "4" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -20.32 -5.08 0) (length 2.54)
        (name "RESPONSE_TIME" (effects (font (size 1.27 1.27))))
        (number "5" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -20.32 -7.62 0) (length 2.54)
        (name "OUTPUT" (effects (font (size 1.27 1.27))))
        (number "6" (effects (font (size 1.27 1.27))))
      )
      (pin power_in line (at 0 -12.7 90) (length 2.54)
        (name "GND" (effects (font (size 1.27 1.27))))
        (number "7" (effects (font (size 1.27 1.27))))
      )
      (pin output line (at 20.32 -7.62 180) (length 2.54)
        (name "OUTPUT" (effects (font (size 1.27 1.27))))
        (number "8" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 20.32 -5.08 180) (length 2.54)
        (name "RESPONSE_TIME" (effects (font (size 1.27 1.27))))
        (number "9" (effects (font (size 1.27 1.27))))
      )
    )
  )
  (symbol "DS7830" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
    (property "Reference" "U" (id 0) (at -18.542 9.398 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "DS7830" (id 1) (at 16.51 9.398 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_DIP:DIP-14_W7.62mm" (id 2) (at 0 -15.24 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://pdf1.alldatasheet.com/datasheet-pdf/view/8473/NSC/DS7830J.html" (id 3) (at -40.64 5.08 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_keywords" "Dual differential line driver" (id 4) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_description" "Dual differential line driver and dual four-input NAND or dual four-input AND function, VDD +5V, DIP-14" (id 5) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_fp_filters" "DIP*W7.62mm*" (id 6) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (symbol "DS7830_0_1"
      (rectangle (start -20.32 7.62) (end 20.32 -10.16)
        (stroke (width 0.254) (type default) (color 0 0 0 0))
        (fill (type background))
      )
    )
    (symbol "DS7830_1_1"
      (pin input line (at -22.86 5.08 0) (length 2.54)
        (name "A_1" (effects (font (size 1.27 1.27))))
        (number "1" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 22.86 -2.54 180) (length 2.54)
        (name "B_4" (effects (font (size 1.27 1.27))))
        (number "10" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 22.86 0 180) (length 2.54)
        (name "B_3" (effects (font (size 1.27 1.27))))
        (number "11" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 22.86 2.54 180) (length 2.54)
        (name "B_2" (effects (font (size 1.27 1.27))))
        (number "12" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 22.86 5.08 180) (length 2.54)
        (name "B_1" (effects (font (size 1.27 1.27))))
        (number "13" (effects (font (size 1.27 1.27))))
      )
      (pin power_in line (at 0 10.16 270) (length 2.54)
        (name "VCC" (effects (font (size 1.27 1.27))))
        (number "14" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -22.86 2.54 0) (length 2.54)
        (name "A_2" (effects (font (size 1.27 1.27))))
        (number "2" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -22.86 0 0) (length 2.54)
        (name "A_3" (effects (font (size 1.27 1.27))))
        (number "3" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -22.86 -2.54 0) (length 2.54)
        (name "A_4" (effects (font (size 1.27 1.27))))
        (number "4" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -22.86 -5.08 0) (length 2.54)
        (name "A_AND_OUTPUT" (effects (font (size 1.27 1.27))))
        (number "5" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -22.86 -7.62 0) (length 2.54)
        (name "A_NAND_OUTPUT" (effects (font (size 1.27 1.27))))
        (number "6" (effects (font (size 1.27 1.27))))
      )
      (pin power_in line (at 0 -12.7 90) (length 2.54)
        (name "GND" (effects (font (size 1.27 1.27))))
        (number "7" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 22.86 -7.62 180) (length 2.54)
        (name "B_NAND_OUTPUT" (effects (font (size 1.27 1.27))))
        (number "8" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 22.86 -5.08 180) (length 2.54)
        (name "B_AND_OUTPUT" (effects (font (size 1.27 1.27))))
        (number "9" (effects (font (size 1.27 1.27))))
      )
    )
  )
  (symbol "DS8830" (extends "DS7830")
    (property "Reference" "U" (id 0) (at -18.542 9.398 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "DS8830" (id 1) (at 16.51 9.398 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_DIP:DIP-14_W7.62mm" (id 2) (at 0 -15.24 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://pdf1.alldatasheet.com/datasheet-pdf/view/8473/NSC/DS7830J.html" (id 3) (at -40.64 5.08 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_keywords" "Dual differential line driver" (id 4) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_description" "Dual differential line driver and dual four-input NAND or dual four-input AND function, VDD +5V, DIP-14" (id 5) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_fp_filters" "DIP*W7.62mm*" (id 6) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
  )
  (symbol "DS89C21" (in_bom yes) (on_board yes)
    (property "Reference" "U" (id 0) (at -7.62 13.97 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "DS89C21" (id 1) (at 1.27 13.97 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" (id 2) (at 0 0 0)
      (effects (font (size 1.27 1.27) italic) hide)
    )
    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/ds89c21.pdf" (id 3) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_keywords" "rs422 tranciever" (id 4) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_description" "Differential CMOS Line Driver and Receiver Pair, SOIC-8" (id 5) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_fp_filters" "SOIC*3.9x4.9mm*P1.27mm*" (id 6) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (symbol "DS89C21_0_0"
      (text "D" (at -1.27 -5.08 0)
        (effects (font (size 1.27 1.27) bold))
      )
      (text "R" (at 1.27 5.08 0)
        (effects (font (size 1.27 1.27) bold))
      )
    )
    (symbol "DS89C21_0_1"
      (rectangle (start -7.62 12.7) (end 7.62 -12.7)
        (stroke (width 0.254) (type default) (color 0 0 0 0))
        (fill (type background))
      )
      (polyline
        (pts
          (xy -5.08 -5.08)
          (xy -2.54 -5.08)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
      (polyline
        (pts
          (xy -2.54 5.08)
          (xy -3.81 5.08)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
      (polyline
        (pts
          (xy 3.81 -7.62)
          (xy 0 -7.62)
          (xy 0 -6.35)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
      (polyline
        (pts
          (xy 3.81 -2.54)
          (xy 0 -2.54)
          (xy 0 -3.81)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
      (polyline
        (pts
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          (xy -2.54 -7.62)
          (xy 2.54 -5.08)
          (xy -2.54 -2.54)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
      (polyline
        (pts
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          (xy 3.81 2.54)
          (xy 5.08 2.54)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
      (polyline
        (pts
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          (xy 3.81 6.35)
          (xy 3.81 7.62)
          (xy 5.08 7.62)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
      (polyline
        (pts
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          (xy 2.54 7.62)
        )
        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
      )
    )
    (symbol "DS89C21_1_1"
      (pin power_in line (at 0 15.24 270) (length 2.54)
        (name "VCC" (effects (font (size 1.27 1.27))))
        (number "1" (effects (font (size 1.27 1.27))))
      )
      (pin output line (at -10.16 5.08 0) (length 2.54)
        (name "RO" (effects (font (size 1.27 1.27))))
        (number "2" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at -10.16 -5.08 0) (length 2.54)
        (name "DI" (effects (font (size 1.27 1.27))))
        (number "3" (effects (font (size 1.27 1.27))))
      )
      (pin power_in line (at 0 -15.24 90) (length 2.54)
        (name "GND" (effects (font (size 1.27 1.27))))
        (number "4" (effects (font (size 1.27 1.27))))
      )
      (pin output line (at 10.16 -7.62 180) (length 2.54)
        (name "~{DO}" (effects (font (size 1.27 1.27))))
        (number "5" (effects (font (size 1.27 1.27))))
      )
      (pin output line (at 10.16 -2.54 180) (length 2.54)
        (name "DO" (effects (font (size 1.27 1.27))))
        (number "6" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 10.16 2.54 180) (length 2.54)
        (name "~{RI}" (effects (font (size 1.27 1.27))))
        (number "7" (effects (font (size 1.27 1.27))))
      )
      (pin input line (at 10.16 7.62 180) (length 2.54)
        (name "RI" (effects (font (size 1.27 1.27))))
        (number "8" (effects (font (size 1.27 1.27))))
      )
    )
  )
  (symbol "EL7242C" (pin_names (offset 0.762) hide) (in_bom yes) (on_board yes)
    (property "Reference" "U" (id 0) (at -10.922 8.89 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "EL7242C" (id 1) (at 11.176 8.89 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_DIP:DIP-8_W7.62mm" (id 2) (at 0 -17.78 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://pdf.datasheetcatalog.com/datasheet/elantec/EL7242CN.pdf" (id 3) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_keywords" "Translateur TTL->VMOS. Double driver VMOS" (id 4) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_description" "Translateur TTL->VMOS. Double driver VMOS" (id 5) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_fp_filters" "DIP*W7.62mm*" (id 6) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (symbol "EL7242C_0_0"
      (pin power_in line (at 0 -12.7 90) (length 2.54)
        (name "GND" (effects (font (size 1.27 1.27))))
        (number "5" (effects (font (size 1.27 1.27))))
      )
      (pin power_in line (at 0 10.16 270) (length 2.54)
        (name "V+" (effects (font (size 1.27 1.27))))
        (number "8" (effects (font (size 1.27 1.27))))
      )
    )
    (symbol "EL7242C_0_1"
      (rectangle (start -12.7 7.62) (end 15.24 -10.16)
        (stroke (width 0.254) (type default) (color 0 0 0 0))
        (fill (type background))
      )
      (arc (start -2.54 -5.08) (mid 1.0521 -3.5921) (end 2.54 0)
        (stroke (width 0.254) (type default) (color 0 0 0 0))
        (fill (type none))
      )
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        )
        (stroke (width 0.254) (type default) (color 0 0 0 0))
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    (symbol "EL7242C_1_1"
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        (name "IN1" (effects (font (size 1.27 1.27))))
        (number "1" (effects (font (size 1.27 1.27))))
      )
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        (number "2" (effects (font (size 1.27 1.27))))
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    )
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        (number "3" (effects (font (size 1.27 1.27))))
      )
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        (number "4" (effects (font (size 1.27 1.27))))
      )
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        (number "6" (effects (font (size 1.27 1.27))))
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    )
  )
  (symbol "MC3486N" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
    (property "Reference" "U" (id 0) (at -7.62 7.62 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "MC3486N" (id 1) (at 5.08 5.08 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_DIP:DIP-14_W7.62mm" (id 2) (at 0 -10.16 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/mc3486.pdf" (id 3) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_keywords" "Quadruple differential line receiver" (id 4) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_description" "Quadruple differential line receiver, SOIC-16" (id 5) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ki_fp_filters" "DIP*W7.62mm*" (id 6) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
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        (stroke (width 0) (type default) (color 0 0 0 0))
        (fill (type none))
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