RS0102YH8

@@ -0,0 +1,49 @@+# RS0102YH8++**Jiangsu RUNIC Tech** · Translators / Level Shifters · SOT-23-8++RS0102YH8 from Jiangsu RUNIC Tech, in a SOT-23-8. 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 | VCCB | power_in | B-port supply voltage. 2.3V <= VCCB <= 5.5V. Must satisfy VCCA <= VCCB. Sets the B-side logic reference rail. |+| 2 | B1 | bidirectional | Input/output B1 channel, referenced to VCCB. Bidirectional level-translated data pin paired with A1. Supports push-pull and open-drain signaling. |+| 3 | B2 | bidirectional | Input/output B2 channel, referenced to VCCB. Bidirectional level-translated data pin paired with A2. Supports push-pull and open-drain signaling. |+| 4 | OE | input | Output Enable (active high), referenced to VCCA. Drive high to enable translation; pull low to place all I/Os in the high-impedance 3-state mode. Has an internal pull-down; tie to GND via external resistor during power-up to guarantee Hi-Z. |+| 5 | GND | power_in | Ground return for both supply rails and logic reference. |+| 6 | A2 | bidirectional | Input/output A2 channel, referenced to VCCA. Bidirectional level-translated data pin paired with B2. Supports push-pull and open-drain signaling. |+| 7 | A1 | bidirectional | Input/output A1 channel, referenced to VCCA. Bidirectional level-translated data pin paired with B1. Supports push-pull and open-drain signaling. |+| 8 | VCCA | power_in | A-port supply voltage. 1.65V <= VCCA <= 5.5V and VCCA <= VCCB. Sets the A-side logic reference rail; tracking VCCA also gates the internal OE pull-down. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Jiangsu RUNIC Tech |+| Package | SOT-23-8 |+| Category | Logic |+| Pins | 8 |++## Ordering variants++- `RS0102YH8YH8`+- `RS0102YH8YUTDS8`+- `RS0102YH8YVS8`++## CAD (KiCad official)++- Symbol: `RS0102YH8`+- Footprint: `Package_TO_SOT_SMD:SOT-23-8`+- 3D model: SOT-23-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Jiangsu RUNIC Tech datasheet](docs/rs0102yh8-datasheet.pdf) (19 pp, sha256 `479703dd6df3e280`, 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/rs0102yh8-datasheet.pdf)

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