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SN74LS107AN

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Texas Instruments Flip Flops, PDIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74LS107AN

Texas Instruments · Flip Flops · PDIP-14

SN74LS107AN from Texas Instruments, in a PDIP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1J input J data input of flip-flop 1; must be stable prior to the high-to-low clock transition.
2 1Q̅ output Complementary (inverted) output of flip-flop 1, driven high when clear is low.
3 1Q output True output of flip-flop 1, forced low when clear is low.
4 1K input K data input of flip-flop 1; must be stable prior to the high-to-low clock transition.
5 2Q output True output of flip-flop 2, forced low when clear is low.
6 2Q̅ output Complementary (inverted) output of flip-flop 2, driven high when clear is low.
7 GND power_in Ground pin.
8 2J input J data input of flip-flop 2; must be stable prior to the high-to-low clock transition.
9 2CLK input Clock input of flip-flop 2, negative-edge triggered (high-to-low transition).
10 2CLR̅ input Active-low direct clear of flip-flop 2; when low it overrides clock and data inputs, forcing Q low and Q̅ high.
11 2K input K data input of flip-flop 2; must be stable prior to the high-to-low clock transition.
12 1CLK input Clock input of flip-flop 1, negative-edge triggered (high-to-low transition).
13 1CLR̅ input Active-low direct clear of flip-flop 1; when low it overrides clock and data inputs, forcing Q low and Q̅ high.
14 VCC power_in Positive supply voltage pin.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package PDIP-14
Category Logic ICs
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating free-air temperature range (orderable device, PDIP N package) 0 70 °C SN74LS107AN, package option addendum Op Temp column 6

CAD (KiCad official)

  • Symbol: SN74LS107AN
  • Footprint: Package_DIP:DIP-14_W7.62mm
  • 3D model: PDIP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74ls107an-etched.step / sn74ls107an-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ls107an.step / sn74ls107an.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (18 pp, sha256 bdc52a4e5d5dd402, retrieved 2026-10-31, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF