# SN65HVD1040QDRQ1

**Texas Instruments** · CAN Transceivers · SOIC-8

SN65HVD1040QDRQ1 from Texas Instruments, in a SOIC-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 | TXD | input | CAN transmit data input; LOW for dominant and HIGH for recessive bus states |
| 2 | GND | power_in | Device ground |
| 3 | VCC | power_in | Transceiver 5-V power supply (4.75 V to 5.25 V recommended) |
| 4 | RXD | output | CAN receive data output; LOW for dominant and HIGH for recessive bus states |
| 5 | SPLIT | output | Reference output voltage (VCC/2) for split-termination network common-mode bias |
| 6 | CANL | bidirectional | Low level CAN bus line; voltage range -12 V to 12 V common-mode |
| 7 | CANH | bidirectional | High level CAN bus line; voltage range -12 V to 12 V common-mode |
| 8 | STB | input | Mode select input; pull to GND for high-speed mode or to VCC for low-power standby mode |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Interface |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `SN65HVD1040QDRQ1`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `sn65hvd1040qdrq1-etched.step` / `sn65hvd1040qdrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn65hvd1040qdrq1.step` / `sn65hvd1040qdrq1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/sn65hvd1040-q1) (36 pp, sha256 `9ceacef5a67d1348`, retrieved 2026-10-01, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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](docs/sn65hvd1040qdrq1-datasheet.pdf)