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SN74ABT841ADWR

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Texas Instruments Latches, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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SN74ABT841ADWR

Texas Instruments · Latches · SOIC-24-300mil

SN74ABT841ADWR from Texas Instruments, in a SOIC-24-300mil. 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 OE input Output Enable input (active low); when low, outputs display latched data; when high, outputs are placed in high-impedance state.
2 1D input Data input 1; first bit of 10-bit data word transferred to output 1Q when LE is high.
3 2D input Data input 2; second bit of 10-bit data word transferred to output 2Q when LE is high.
4 3D input Data input 3; third bit of 10-bit data word transferred to output 3Q when LE is high.
5 4D input Data input 4; fourth bit of 10-bit data word transferred to output 4Q when LE is high.
6 5D input Data input 5; fifth bit of 10-bit data word transferred to output 5Q when LE is high.
7 6D input Data input 6; sixth bit of 10-bit data word transferred to output 6Q when LE is high.
8 7D input Data input 7; seventh bit of 10-bit data word transferred to output 7Q when LE is high.
9 8D input Data input 8; eighth bit of 10-bit data word transferred to output 8Q when LE is high.
10 9D input Data input 9; ninth bit of 10-bit data word transferred to output 9Q when LE is high.
11 10D input Data input 10; tenth bit of 10-bit data word transferred to output 10Q when LE is high.
12 GND power_in Ground; negative supply reference (0 V).
13 LE input Latch Enable input (active high); when high, data is transparent; when low, data is latched and held.
14 10Q tri_state 3-state output 10; provides latched data from 10D input or high-impedance when OE is high; drives up to 64 mA IOL.
15 9Q tri_state 3-state output 9; provides latched data from 9D input or high-impedance when OE is high; drives up to 64 mA IOL.
16 8Q tri_state 3-state output 8; provides latched data from 8D input or high-impedance when OE is high; drives up to 64 mA IOL.
17 7Q tri_state 3-state output 7; provides latched data from 7D input or high-impedance when OE is high; drives up to 64 mA IOL.
18 6Q tri_state 3-state output 6; provides latched data from 6D input or high-impedance when OE is high; drives up to 64 mA IOL.
19 5Q tri_state 3-state output 5; provides latched data from 5D input or high-impedance when OE is high; drives up to 64 mA IOL.
20 4Q tri_state 3-state output 4; provides latched data from 4D input or high-impedance when OE is high; drives up to 64 mA IOL.
21 3Q tri_state 3-state output 3; provides latched data from 3D input or high-impedance when OE is high; drives up to 64 mA IOL.
22 2Q tri_state 3-state output 2; provides latched data from 2D input or high-impedance when OE is high; drives up to 64 mA IOL.
23 1Q tri_state 3-state output 1; provides latched data from 1D input or high-impedance when OE is high; drives up to 64 mA IOL.
24 VCC power_in Positive supply voltage; 4.5 V to 5.5 V recommended operating range.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-24-300mil
Category Logic
Pins 24

CAD (KiCad official)

  • Symbol: SN74ABT841ADWR
  • Footprint: Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm
  • 3D model: SOIC-24-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74abt841adwr-etched.step / sn74abt841adwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74abt841adwr.step / sn74abt841adwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (19 pp, sha256 6bccb86e309eee56, retrieved 2026-10-07, 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