Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes 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