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MX3085E

Wuxi Maxinmicro · RS-485 / RS-422 ICs · SOP-8

MX3085E from Wuxi Maxinmicro, in a SOP-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: while RE is low, RO is high when A-B is greater than or equal to -50 mV and low when A-B is less than or equal to -200 mV.
2 RE input Receiver output enable, active low: RO is enabled when RE is low and high-impedance when RE is high; with RE high and DE low the device enters low-power shutdown.
3 DE input Driver output enable: the driver outputs are active when DE is high and high-impedance when DE is low; with RE high and DE low the device enters low-power shutdown.
4 DI input Driver input: when DE is high, a low on DI forces the non-inverting output low and the inverting output high, and a high on DI forces the non-inverting output high and the inverting output low.
5 GND power_in Ground.
6 A bidirectional Non-inverting receiver input and non-inverting driver output.
7 B bidirectional Inverting receiver input and inverting driver output.
8 VDD power_in Positive supply pin; the datasheet specifies 3.0 V ≤ VCC ≤ 5.5 V.

Key specifications

Parameter Value
Manufacturer Wuxi Maxinmicro
Package SOP-8
Category Interface
Pins 8

CAD (KiCad official)

  • Symbol: MX3085E
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: mx3085e-etched.step / mx3085e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mx3085e.step / mx3085e.glb are the bare package body.

Provenance

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

  • Datasheet: Wuxi Maxinmicro datasheet (9 pp, sha256 b5042a2eb73568eb, retrieved 2026-10-09, 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-5-5 (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