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SN74AHC541DBR

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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docs sn74ahc541dbr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
viewers sn74ahc541dbr: viewers · Ray 4d ago
package.json Publish 0.1.0 · Ray 4d ago
page.json Set visibility: public · Ray 4d ago
README.md Initial commit: component/sn74ahc541dbr · Ray 4d ago
sn74ahc541dbr-etched.fit.json sn74ahc541dbr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
sn74ahc541dbr-etched.glb sn74ahc541dbr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
sn74ahc541dbr-etched.step sn74ahc541dbr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
sn74ahc541dbr.glb Publish 0.1.0 · Ray 4d ago
sn74ahc541dbr.kicad_mod Publish 0.1.0 · Ray 4d ago
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sn74ahc541dbr.lbr Publish 0.1.0 · Ray 4d ago
sn74ahc541dbr.step Publish 0.1.0 · Ray 4d ago

SN74AHC541DBR

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

SN74AHC541DBR 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 OE1 input Output Enable 1 control input for tri-state buffers; input voltage 0 to 5.5V
2 A1 input A1 data input for buffering and driving to corresponding output Y1; input voltage 0 to 5.5V
3 A2 input A2 data input for buffering and driving to corresponding output Y2; input voltage 0 to 5.5V
4 A3 input A3 data input for buffering and driving to corresponding output Y3; input voltage 0 to 5.5V
5 A4 input A4 data input for buffering and driving to corresponding output Y4; input voltage 0 to 5.5V
6 A5 input A5 data input for buffering and driving to corresponding output Y5; input voltage 0 to 5.5V
7 A6 input A6 data input for buffering and driving to corresponding output Y6; input voltage 0 to 5.5V
8 A7 input A7 data input for buffering and driving to corresponding output Y7; input voltage 0 to 5.5V
9 A8 input A8 data input for buffering and driving to corresponding output Y8; input voltage 0 to 5.5V
10 GND power_in Ground reference pin and return path for internal circuits, 0V reference
11 Y8 tri_state Y8 tri-state buffered output driven from A8 input when enabled; output voltage 0 to VCC, ±25mA continuous
12 Y7 tri_state Y7 tri-state buffered output driven from A7 input when enabled; output voltage 0 to VCC, ±25mA continuous
13 Y6 tri_state Y6 tri-state buffered output driven from A6 input when enabled; output voltage 0 to VCC, ±25mA continuous
14 Y5 tri_state Y5 tri-state buffered output driven from A5 input when enabled; output voltage 0 to VCC, ±25mA continuous
15 Y4 tri_state Y4 tri-state buffered output driven from A4 input when enabled; output voltage 0 to VCC, ±25mA continuous
16 Y3 tri_state Y3 tri-state buffered output driven from A3 input when enabled; output voltage 0 to VCC, ±25mA continuous
17 Y2 tri_state Y2 tri-state buffered output driven from A2 input when enabled; output voltage 0 to VCC, ±25mA continuous
18 Y1 tri_state Y1 tri-state buffered output driven from A1 input when enabled; output voltage 0 to VCC, ±25mA continuous
19 OE2 input Output Enable 2 control input for tri-state buffers; input voltage 0 to 5.5V
20 VCC power_in Positive power supply voltage input, operating range 2V to 5.5V

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74AHC541DBR
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74ahc541dbr-etched.step / sn74ahc541dbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahc541dbr.step / sn74ahc541dbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (42 pp, sha256 2bf701d65dda347a, retrieved 2026-10-01, 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