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ISO6740DWR

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Texas Instruments Digital Isolators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ISO6740DWR

Texas Instruments · Digital Isolators · SOIC-16-300mil

ISO6740DWR from Texas Instruments, in a SOIC-16-300mil. 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 VCC1 power_in Side-1 supply; VCC1 may be 1.71 V to 1.89 V or 2.25 V to 5.5 V, and the absolute maximum VCC1 to GND1 is 6 V.
2 GND1 power_in Ground connection for the side-1 supply VCC1.
3 INA input Logic input for channel A on side 1; the input is referenced to VCCI and its high-level threshold is 0.7 x VCCI minimum and low-level threshold is 0.3 x VCCI maximum.
4 INB input Logic input for channel B on side 1; the input is referenced to VCCI and its high-level threshold is 0.7 x VCCI minimum and low-level threshold is 0.3 x VCCI maximum.
5 INC input Logic input for channel C on side 1; the input is referenced to VCCI and its high-level threshold is 0.7 x VCCI minimum and low-level threshold is 0.3 x VCCI maximum.
6 IND input Logic input for channel D on side 1; the input is referenced to VCCI and its high-level threshold is 0.7 x VCCI minimum and low-level threshold is 0.3 x VCCI maximum.
7 NC unconnected Not connected on ISO6740; this pin is not used and has no internal connection.
8 GND1 power_in Ground connection for the side-1 supply VCC1.
9 GND2 power_in Ground connection for the side-2 supply VCC2.
10 EN2 input Output enable for side 2: when high or open, the side-2 outputs are enabled; when low, the side-2 outputs are forced to high impedance.
11 OUTD output Output for channel D on side 2, driven from the isolated IND input; outputs are forced to high impedance when EN2 is low.
12 OUTC output Output for channel C on side 2, driven from the isolated INC input; output is forced to high impedance when EN2 is low.
13 OUTB output Output for channel B on side 2, driven from the isolated INB input; output is forced to high impedance when EN2 is low.
14 OUTA output Output for channel A on side 2, driven from the isolated INA input; output is forced to high impedance when EN2 is low.
15 GND2 power_in Ground connection for the side-2 supply VCC2.
16 VCC2 power_in Side-2 supply; VCC2 may be 1.71 V to 1.89 V or 2.25 V to 5.5 V, and the absolute maximum VCC2 to GND2 is 6 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16-300mil
Category Signal Isolation Devices
Pins 16

CAD (KiCad official)

  • Symbol: ISO6740DWR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
  • 3D model files: iso6740dwr-etched.step / iso6740dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); iso6740dwr.step / iso6740dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (50 pp, sha256 e3145a4f777d3776, retrieved 2026-10-17, 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