SN65HVD12DR

@@ -0,0 +1,49 @@+# SN65HVD12DR++**Texas Instruments** · RS-485 / RS-422 ICs · SOP-8++SN65HVD12DR from Texas Instruments, in a SOP-8. 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 | R | output | Receive data output. CMOS-level output reflecting the state of the RS-485 differential bus (A-B). Sourced up to |IOH| = 8 mA / sunk up to IOL = 8 mA. |+| 2 | RE | input | Active-low receiver enable. Drive low to enable receiver output R; drive high to place R in high-impedance (used to enter low-power standby together with DE=0). |+| 3 | DE | input | Active-high driver enable. Drive high to enable the differential driver onto A/B; drive low to place A/B in high-impedance. |+| 4 | D | input | Driver data input. CMOS logic input whose state is transmitted differentially on A/B when DE is high. VIH ≥ 2 V, VIL ≤ 0.8 V. |+| 5 | GND | power_in | Local device ground / reference potential. |+| 6 | A | bidirectional | RS-485 differential bus I/O, non-inverting side. Driver output or receiver input, complementary to B. Rated -7 V to 12 V continuous, ±16-kV HBM ESD. |+| 7 | B | bidirectional | RS-485 differential bus I/O, inverting side. Driver output or receiver input, complementary to A. Rated -7 V to 12 V continuous, ±16-kV HBM ESD. |+| 8 | VCC | power_in | Supply voltage, 3 V to 3.6 V nominal. ICC ≈ 9 mA active, ≈ 1 μA standby (RE high, DE low). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOP-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `SN65HVD12DRD`+- `SN65HVD12DRDR`+- `SN65HVD12DRP`++## CAD (KiCad official)++- Symbol: `SN65HVD12DR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn65hvd12.pdf) (37 pp, sha256 `c180625a50ecb754`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sn65hvd12dr-datasheet.pdf)

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