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SN65HVD61DR

Public Made by Adom

by adom

Texas Instruments Interface - Specialized, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN65HVD61DR

Texas Instruments · Interface - Specialized · SOIC-14

SN65HVD61DR from Texas Instruments, in a SOIC-14. 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 RX output Primary receiver output, high when VXF3 exceeds VXF1 by more than VTH+ and low below VTH-, high-impedance when CHEN is low; rated ±15 mA absolute max, 8 mA recommended.
2 CD output Carrier detect output, high when (VXF3 - VXF1) exceeds VCD (175 to 255 mV) and low otherwise, high-impedance when CHEN is low; rated ±15 mA absolute max.
3 VDD power_in I/O supply voltage of 2.375 V to 5.5 V (absolute max 6 V), should match the controller supply.
4 CHEN input Chip enable logic input; low or open disables the chip (low-power standby, RX and CD high-impedance), high enables it; input range -0.5 to 6 V.
5 TX input Transmitter logic input; with TXBAR low or open and TXEN high it drives XF3 low, input range -0.5 to 6 V.
6 TXBAR input Complementary transmitter logic input (active-low TX); TX and TXBAR both high is not supported in ControlNet applications, input range -0.5 to 6 V.
7 TXEN input Transmitter enable logic input; low or open places XF1 and XF3 in high-impedance state, input range -0.5 to 6 V.
8 SIG output Signal strength analog output proportional to the differential voltage between XF1 and XF3 (1.25 V typ at zero input, gain 120 to 140 mV/V), for diagnostics; output current ±1 mA.
9 DGND power_in Digital ground, to be connected to a common ground plane with CGND external to the device.
10 XF3 bidirectional Bus terminal to the transformer, transmitter sink output and receiver input, voltage range -22 to +22 V absolute max, current internally limited.
11 CGND power_in Analog (bus) ground, tied internally to pin 13 and to be connected to a common ground plane with DGND.
12 XF1 bidirectional Bus terminal to the transformer, transmitter sink output and receiver input, voltage range -22 to +22 V absolute max, current internally limited.
13 CGND power_in Analog (bus) ground, second CGND pin shown with pin 11 in the functional diagram.
14 VCC power_in Analog supply voltage of 4.5 V to 5.5 V (5 V nominal, absolute max 6 V); device is disabled below 2.1 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Interface
Pins 14

CAD (KiCad official)

  • Symbol: SN65HVD61DR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn65hvd61dr-etched.step / sn65hvd61dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn65hvd61dr.step / sn65hvd61dr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (22 pp, sha256 942e32f8c7d3d5a3, retrieved 2026-10-08, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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