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SN75LBC184-TD

Public Made by Adom

by adom

TDSEMIC RS-485 / RS-422 ICs, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN75LBC184-TD

TDSEMIC · RS-485 / RS-422 ICs · DIP-8

SN75LBC184-TD from TDSEMIC, in a DIP-8. 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 RO output Receiver output, high when A is at least 200 mV above B and low when A is 200 mV below B, and high-impedance when RE is high.
2 RE input Active-low receiver enable; when RE is high the receiver output is high-impedance.
3 DE input Active-high driver enable; when DE is low the driver outputs are high-impedance, and when DE is high the chip is in transmit state.
4 DI input Driver data input; DI low gives A high and B low, DI high gives the opposite.
5 GND power_in Ground, power supply negative terminal.
6 A bidirectional Non-inverting receiver input and non-inverting driver output (the datasheet describes A as the positive receiver input and positive driver output).
7 B bidirectional Inverting receiver input and inverting driver output.
8 VCC power_in Positive power supply terminal; absolute maximum +5 V.

Key specifications

Parameter Value
Manufacturer TDSEMIC
Package DIP-8
Category Interface
Pins 8

CAD (KiCad official)

  • Symbol: SN75LBC184-TD
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: DIP-8 (KiCad packages3D, STEP)
  • 3D model files: sn75lbc184-td-etched.step / sn75lbc184-td-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn75lbc184-td.step / sn75lbc184-td.glb are the bare package body.

Provenance

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

  • Datasheet: TDSEMIC datasheet (11 pp, sha256 d283adb0948b33a5, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-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