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sl3485s
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Slkor SLKORMICRO Elec RS-485/RS-422 ICs, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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README
markdownSL3485S
Slkor SLKORMICRO Elec · RS-485/RS-422 ICs · SOP-8
SL3485S from Slkor SLKORMICRO Elec, 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 | output | Receiver output. Drives high when A-B ≥ -0.05 V, low when A-B ≤ -0.2 V, and high when A/B are open or shorted (fail-safe). VOH ≥ VDD-1 V @ IO=-4 mA; VOL ≤ 0.4 V @ IO=4 mA. |
| 2 | ~RE | input | Receiver output enable (active low). When ~RE is low, RO is enabled; when ~RE is high, RO is in high-impedance state. VIH ≥ 2.0 V, VIL ≤ 0.8 V. |
| 3 | DE | input | Driver output enable (active high). Pulling DE high enables driver outputs A and B; when DE is low, driver outputs are in high-impedance. VIH ≥ 2.0 V, VIL ≤ 0.8 V. |
| 4 | DI | input | Driver input. When DI is low, A is driven low and B is driven high; when DI is high, A is driven high and B is driven low (when DE=high). VIH ≥ 2.0 V, VIL ≤ 0.8 V; ~100 mV input hysteresis. |
| 5 | GND | power_in | Ground reference (0 V) for the device. |
| 6 | A | bidirectional | Non-inverting RS-485/RS-422 bus line: receiver input and driver output. Common-mode range -7 V to +12 V; withstands -13 V to +13 V; ±15 kV HBM ESD protection. |
| 7 | B | bidirectional | Inverting RS-485/RS-422 bus line: receiver input and driver output. Common-mode range -7 V to +12 V; withstands -13 V to +13 V; ±15 kV HBM ESD protection. |
| 8 | VDD | power_in | Positive supply input. Typical 5 V; absolute max -0.3 V to 7 V. Recommend bypass capacitor to GND. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Slkor SLKORMICRO Elec |
| Package | SOP-8 |
| Category | Comm/UART |
| Pins | 8 |
Ordering variants
SL3485SSL3485SSL3485M
CAD (KiCad official)
- Symbol:
SL3485S - 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: Slkor SLKORMICRO Elec datasheet (None pp, sha256
e42c4c3add4ebad4, retrieved 2026-08-17, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).