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Contents

README

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SN75453BPSR

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SOIC-8-208mil

SN75453BPSR from Texas Instruments, in a SOIC-8-208mil. 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 1A input Channel 1 logic input A; TTL-compatible with internal diode clamp voltage VIK = -1.2 to -1.5 V
2 1B input Channel 1 logic input B; TTL-compatible with internal diode clamp voltage VIK = -1.2 to -1.5 V
3 1Y tri_state Channel 1 open-collector driver output; maximum continuous collector current 400 mA, peak current 500 mA (tw ≤10 ms, duty cycle ≤50%); maximum output voltage 30 V
4 GND power_in Ground; circuit reference and return path
5 2Y tri_state Channel 2 open-collector driver output; maximum continuous collector current 400 mA, peak current 500 mA (tw ≤10 ms, duty cycle ≤50%); maximum output voltage 30 V
6 2A input Channel 2 logic input A; TTL-compatible with internal diode clamp voltage VIK = -1.2 to -1.5 V
7 2B input Channel 2 logic input B; TTL-compatible with internal diode clamp voltage VIK = -1.2 to -1.5 V
8 VCC power_in Supply voltage; operating range 4.75 V to 5.25 V (nominal 5 V), absolute maximum rating 7 V

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8-208mil
Category Logic
Pins 8

CAD (KiCad official)

  • Symbol: SN75453BPSR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8-208mil (KiCad packages3D, STEP)
  • 3D model files: sn75453bpsr-etched.step / sn75453bpsr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn75453bpsr.step / sn75453bpsr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 8ee8076e0183590a, retrieved 2026-10-07, 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