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Contents

README

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SN75176ADR

Texas Instruments · Buffer/Driver/Transceiver · SOIC-8

SN75176ADR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 R output Logic data output from RS-485 receiver. CMOS/TTL-level output driven from the differential bus receiver; high-impedance when RE is high.
2 RE input Receive Enable, active low. Drive low to enable the receiver output R; drive high to place R in high-impedance state.
3 DE input Driver Enable, active high. Drive high to enable the differential driver onto the A/B bus; drive low to place A and B in high-impedance state.
4 D input Logic data input to RS-485 driver. TTL/CMOS-level input; when driver is enabled, a high on D drives A high and B low.
5 GND power_in Device ground pin. Connect to system 0 V reference.
6 A bidirectional RS-422/RS-485 differential bus line A (non-inverting). Common driver output / receiver input; withstands −7 V to +12 V common-mode. Input impedance ≥12 kΩ (receiver).
7 B bidirectional RS-422/RS-485 differential bus line B (inverting). Common driver output / receiver input; withstands −7 V to +12 V common-mode. Input impedance ≥12 kΩ (receiver).
8 VCC power_in Power input. Connect to a single 5-V supply (4.75 V to 5.25 V recommended, 7 V absolute maximum). Decouple locally to GND.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • SN75176ADR
  • SN75176ADRD
  • SN75176ADRP
  • SN75176ADRN

CAD (KiCad official)

  • Symbol: SN75176ADR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 2babdfd0a4167c8c, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF