SN65HVD82DR

@@ -0,0 +1,48 @@+# SN65HVD82DR++**Texas Instruments** · RS-485 / RS-422 ICs · SOIC-8++SN65HVD82DR from Texas Instruments, in a SOIC-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 | Receiver data output. CMOS-level digital output reflecting the received differential state on the A/B bus. VOH ≥ VCC−0.3 V at IOH = −8 mA; VOL ≤ 0.4 V at IOL = 8 mA. |+| 2 | RE | input | Receiver enable, active low. Drive low to enable the receiver output R; drive high to place R in high-impedance. Input current typ ±2 µA. |+| 3 | DE | input | Driver enable, active high. Drive high to enable the differential driver onto the A/B bus; drive low to place A/B in high-impedance. Input current typ ±2 µA. |+| 4 | D | input | Driver data input. CMOS-level digital input that sets the differential state driven onto A/B when DE is asserted. VIH ≥ 2 V, VIL ≤ 0.8 V. |+| 5 | GND | power_in | Local device ground / reference potential. |+| 6 | A | bidirectional | RS-485 bus input/output A (non-inverting). Driver output or receiver input, complementary to B. Bus common-mode range −7 V to +12 V; differential input threshold between −200 mV and −20 mV with ~60 mV hysteresis. |+| 7 | B | bidirectional | RS-485 bus input/output B (inverting). Driver output or receiver input, complementary to A. Same electrical characteristics as pin A. |+| 8 | VCC | power_in | Supply voltage input, 4.5 V to 5.5 V (nominal 5 V). Bypass locally with a 100-nF ceramic capacitor to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `SN65HVD82DRDR`+- `SN65HVD82DRD`++## CAD (KiCad official)++- Symbol: `SN65HVD82DR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-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/sn65hvd82.pdf) (33 pp, sha256 `acb04b42c4ca4701`, 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/sn65hvd82dr-datasheet.pdf)

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