# SN75HVD07DR

**Texas Instruments** · RS-485 / RS-422 ICs · SOIC-8

SN75HVD07DR 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 | R | output | Receiver output, which is enabled by the active-low receiver enable RE as stated in the datasheet's receiver enable description. |
| 2 | RE | input | Active-low receiver enable; the datasheet states that DE and RE can be externally connected together to function as direction control. |
| 3 | DE | input | Active-high driver enable; the datasheet states that DE and RE can be externally connected together to function as direction control. |
| 4 | D | input | Driver data input that drives the differential I/O bus port (A and B) when the driver is enabled. |
| 5 | GND | power_in | Ground reference pin for the device. |
| 6 | A | bidirectional | Bus pin of the differential I/O bus port, where the driver outputs and receiver inputs connect internally; the datasheet states the port offers minimum loading to the bus when the driver is disabled or not powered. |
| 7 | B | bidirectional | Bus pin of the differential I/O bus port, where the driver outputs and receiver inputs connect internally; the datasheet states the port offers minimum loading to the bus when the driver is disabled or not powered. |
| 8 | VCC | power_in | Positive supply pin for the device; the supply voltage limits are given in the Absolute Maximum Ratings and Recommended Operating Conditions, which are not in the pages provided. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `SN75HVD07DR`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `sn75hvd07dr-etched.step` / `sn75hvd07dr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn75hvd07dr.step` / `sn75hvd07dr.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/lit/ds/symlink/sn75hvd07.pdf) (29 pp, sha256 `52c3ae6cd944d9af`, retrieved 2026-10-08, tier: manufacturer)
- **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](docs/sn75hvd07dr-datasheet.pdf)