component

SN74AHCT244DBR

Public Made by Adom

by adom

Texas Instruments Buffers, Drivers, Receivers, Transceivers, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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package.json sn74ahct244dbr: LCSC part number C2868870 (was published as the bare integer) · Ray 1d ago
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README.md Initial commit: component/sn74ahct244dbr · Ray 2d ago
sn74ahct244dbr-etched.glb sn74ahct244dbr: factory component page (tier=lcsc) · Ray 2d ago
sn74ahct244dbr-etched.step sn74ahct244dbr: factory component page (tier=lcsc) · Ray 2d ago
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SN74AHCT244DBR

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

SN74AHCT244DBR 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 input for driver 1
2 1A1 input Input 1A1
3 2Y4 tri_state Tri-state output 2Y4
4 1A2 input Input 1A2
5 2Y3 tri_state Tri-state output 2Y3
6 1A3 input Input 1A3
7 2Y2 tri_state Tri-state output 2Y2
8 1A4 input Input 1A4
9 2Y1 tri_state Tri-state output 2Y1
10 GND power_in Ground pin
11 2A1 input Input 2A1
12 1Y4 tri_state Tri-state output 1Y4
13 2A2 input Input 2A2
14 1Y3 tri_state Tri-state output 1Y3
15 2A3 input Input 2A3
16 1Y2 tri_state Tri-state output 1Y2
17 2A4 input Input 2A4
18 1Y1 tri_state Tri-state output 1Y1
19 2OE input Output enable input for driver 2
20 VCC power_out Power supply pin

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74AHCT244DBR
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74ahct244dbr-etched.step / sn74ahct244dbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahct244dbr.step / sn74ahct244dbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (42 pp, sha256 2998c52d90c3b53b, retrieved 2026-10-06, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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