SN65HVD11DR

@@ -0,0 +1,52 @@+# SN65HVD11DR++**Texas Instruments** · RS-485 / RS-422 ICs · SOIC-8++SN65HVD11DR 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 | Receive data output. CMOS-level digital output reflecting the RS-485 bus differential state (VOH ≥ 2.4 V, VOL ≤ 0.4 V at ±8 mA). High-impedance when RE is high. |+| 2 | RE | input | Active-low receiver enable. Drive low to enable the receiver output R; drive high to place R in high-impedance. Combined with DE=low, enables low-current standby mode (ICC ≈ 1 µA). |+| 3 | DE | input | Active-high driver enable. Drive high to enable the differential driver outputs on A and B; drive low to place them in high-impedance. |+| 4 | D | input | Driver data input. CMOS-level logic input (VIH ≥ 2 V, VIL ≤ 0.8 V) that sets the polarity of the A/B differential driver outputs when DE is high. |+| 5 | GND | power_in | Local device ground / reference potential. Common return for supply and signal currents. |+| 6 | A | bidirectional | Non-inverting RS-485 bus I/O. Driver output or receiver input, complementary to B. Withstands −7 V to 12 V common-mode; ±16-kV HBM ESD; short-circuit protected. |+| 7 | B | bidirectional | Inverting RS-485 bus I/O. Driver output or receiver input, complementary to A. Withstands −7 V to 12 V common-mode; ±16-kV HBM ESD; short-circuit protected. |+| 8 | VCC | power_in | Supply voltage input. 3.0 V to 3.6 V nominal (3.3 V typical). Bypass with a low-ESR ceramic capacitor placed close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `SN65HVD11DRD`+- `SN65HVD11DRDR`+- `SN65HVD11DRQD`+- `SN65HVD11DRQDR`+- `SN65HVD11DRP`+- `SN65HVD11DRQP`++## CAD (KiCad official)++- Symbol: `SN65HVD11DR`+- 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/sn65hvd11.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/sn65hvd11dr-datasheet.pdf)

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