Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

CMT83086

HopeRF Micro electronics · Isolated RS-485/422 Transceivers · SOIC-16-300mil

CMT83086 from HopeRF Micro electronics, in a SOIC-16-300mil. 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 VDD1 power_in Isolated side 1 power supply voltage, 2.7 to 5.5 V recommended.
2 GND1 power_in Isolated side 1 ground reference point.
3 R output Receiver output, CMOS logic level with maximum output current ±10 mA.
4 /RE input Receiver input enable (active low), accepts 0 to 0.8 V low and 2 to VDD high.
5 DE input Driver input enable (active high), accepts 0 to 0.8 V low and 2 to VDD high.
6 D input Driver transmit data input, accepts 0 to 0.8 V low and 2 to VDD high.
7 GND1 power_in Isolated side 1 ground reference point.
8 GND1 power_in Isolated side 1 ground reference point.
9 GND2 power_in Isolated side 2 ground reference point.
10 GND2 power_in Isolated side 2 ground reference point.
11 Y tri_state Driver non-inverting output for RS-485 differential bus, maximum output current ±60 mA, enters high impedance when disabled or power lost.
12 Z tri_state Driver inverting output for RS-485 differential bus, maximum output current ±60 mA, enters high impedance when disabled or power lost.
13 B input Receiver inverting input for RS-485 differential bus, voltage range -7 to 12 V.
14 A input Receiver non-inverting input for RS-485 differential bus, voltage range -7 to 12 V.
15 GND2 power_in Isolated side 2 ground reference point.
16 VDD2 power_in Isolated side 2 power supply voltage, 2.9 to 5.5 V recommended.

Key specifications

Parameter Value
Manufacturer HopeRF Micro electronics
Package SOIC-16-300mil
Category Signal Isolation Devices
Pins 16

CAD (KiCad official)

  • Symbol: CMT83086
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
  • 3D model files: cmt83086-etched.step / cmt83086-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cmt83086.step / cmt83086.glb are the bare package body.

Provenance

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

  • Datasheet: HopeRF Micro electronics datasheet (24 pp, sha256 618b2ac4d7e5cd25, retrieved 2026-09-21, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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