SSP3085

@@ -0,0 +1,47 @@+# SSP3085++**Shanghai Siproin Microelectronics** · RS-485 / RS-422 ICs · SOP-8++SSP3085 from Shanghai Siproin Microelectronics, 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 | RO | tri_state | Receiver output. Drives high when A-B >= -0.05V, low when A-B <= -0.2V, and high (fail-safe) when A and B are open or shorted. High-impedance when RE is high. |+| 2 | /RE | input | Active-low receiver output enable. RO is enabled when /RE is low; RO is high-impedance when /RE is high. |+| 3 | DE | input | Driver output enable. Driver outputs A and B are enabled when DE is high; they are high-impedance when DE is low. |+| 4 | DI | input | Driver input. A low on DI forces output A low and output B high; a high on DI forces output A high and output B low. |+| 5 | GND | power_in | Ground reference (0V). |+| 6 | A | bidirectional | Non-inverting RS-485/RS-422 bus pin: receiver input and driver output. ±15kV HBM ESD protected. Absolute input voltage range -7V to +12V. |+| 7 | B | bidirectional | Inverting RS-485/RS-422 bus pin: receiver input and driver output. ±15kV HBM ESD protected. Absolute input voltage range -7V to +12V. |+| 8 | VDD | power_in | Supply voltage input, nominally +5V (±5%). Absolute maximum 6V. Bypass to GND with 0.1µF ceramic capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shanghai Siproin Microelectronics |+| Package | SOP-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `SSP3085`++## CAD (KiCad official)++- Symbol: `SSP3085`+- 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:** [Shanghai Siproin Microelectronics datasheet](docs/ssp3085-datasheet.pdf) (11 pp, sha256 `206e7ab738ff2155`, retrieved 2026-08-17, tier: lcsc)+- **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/ssp3085-datasheet.pdf)

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