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Contents

README

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SN74LVC2244ADBR

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SSOP-20-208mil

SN74LVC2244ADBR from Texas Instruments, in a SSOP-20-208mil. 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 1OE input Output Enable 1 input to control tri-state outputs 1Y1-1Y4.
2 1A1 input First octal buffer input, channel 1.
3 2Y4 tri_state Second octal buffer tri-state output, channel 4.
4 1A2 input First octal buffer input, channel 2.
5 2Y3 tri_state Second octal buffer tri-state output, channel 3.
6 1A3 input First octal buffer input, channel 3.
7 2Y2 tri_state Second octal buffer tri-state output, channel 2.
8 1A4 input First octal buffer input, channel 4.
9 2Y1 tri_state Second octal buffer tri-state output, channel 1.
10 GND power_in Ground pin; 0 V reference.
11 2A1 input Second octal buffer input, channel 1.
12 1Y4 tri_state First octal buffer tri-state output, channel 4.
13 2A2 input Second octal buffer input, channel 2.
14 1Y3 tri_state First octal buffer tri-state output, channel 3.
15 2A3 input Second octal buffer input, channel 3.
16 1Y2 tri_state First octal buffer tri-state output, channel 2.
17 2A4 input Second octal buffer input, channel 4.
18 1Y1 tri_state First octal buffer tri-state output, channel 1.
19 2OE input Output Enable 2 input to control tri-state outputs 2Y1-2Y4.
20 VCC power_in Power supply pin; operating voltage range 1.65 V to 3.6 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-20-208mil
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: SN74LVC2244ADBR
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74lvc2244adbr-etched.step / sn74lvc2244adbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lvc2244adbr.step / sn74lvc2244adbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 5ef8b4b7332c1b8f, retrieved 2026-10-06, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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