RS0108YQ20

@@ -0,0 +1,60 @@+# RS0108YQ20++**Jiangsu RUNIC Tech** · Translators / Level Shifters · TSSOP-20++RS0108YQ20 from Jiangsu RUNIC Tech, in a TSSOP-20. 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 | A1 | bidirectional | Input/output A1. Reference to VCCA (1.65-5.5 V). Bidirectional level-translated channel paired with B1. |+| 2 | VCCA | power_in | A-port supply voltage. 1.65 V ≤ VCCA ≤ 5.5 V and VCCA ≤ VCCB. Sets the A-side logic reference for pins A1-A8 and OE. |+| 3 | A2 | bidirectional | Input/output A2. Reference to VCCA. Bidirectional level-translated channel paired with B2. |+| 4 | A3 | bidirectional | Input/output A3. Reference to VCCA. Bidirectional level-translated channel paired with B3. |+| 5 | A4 | bidirectional | Input/output A4. Reference to VCCA. Bidirectional level-translated channel paired with B4. |+| 6 | A5 | bidirectional | Input/output A5. Reference to VCCA. Bidirectional level-translated channel paired with B5. |+| 7 | A6 | bidirectional | Input/output A6. Reference to VCCA. Bidirectional level-translated channel paired with B6. |+| 8 | A7 | bidirectional | Input/output A7. Reference to VCCA. Bidirectional level-translated channel paired with B7. |+| 9 | A8 | bidirectional | Input/output A8. Reference to VCCA. Bidirectional level-translated channel paired with B8. |+| 10 | OE | input | Output Enable, active high. Referenced to VCCA (VIH ≥ 0.8·VCCA). Drive OE low to place all I/Os in the high-impedance 3-state; tie to GND through a pull-down resistor to guarantee Hi-Z during power-up/down. Internal pull-down current source is present when VCCA is powered. |+| 11 | GND | power_in | Ground reference for the device. |+| 12 | B8 | bidirectional | Input/output B8. Reference to VCCB (2.3-5.5 V). Bidirectional level-translated channel paired with A8. |+| 13 | B7 | bidirectional | Input/output B7. Reference to VCCB. Bidirectional level-translated channel paired with A7. |+| 14 | B6 | bidirectional | Input/output B6. Reference to VCCB. Bidirectional level-translated channel paired with A6. |+| 15 | B5 | bidirectional | Input/output B5. Reference to VCCB. Bidirectional level-translated channel paired with A5. |+| 16 | B4 | bidirectional | Input/output B4. Reference to VCCB. Bidirectional level-translated channel paired with A4. |+| 17 | B3 | bidirectional | Input/output B3. Reference to VCCB. Bidirectional level-translated channel paired with A3. |+| 18 | B2 | bidirectional | Input/output B2. Reference to VCCB. Bidirectional level-translated channel paired with A2. |+| 19 | VCCB | power_in | B-port supply voltage. 2.3 V ≤ VCCB ≤ 5.5 V and VCCB ≥ VCCA. Sets the B-side logic reference for pins B1-B8. |+| 20 | B1 | bidirectional | Input/output B1. Reference to VCCB. Bidirectional level-translated channel paired with A1. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Jiangsu RUNIC Tech |+| Package | TSSOP-20 |+| Category | Logic |+| Pins | 20 |++## Ordering variants++- `RS0108YQ20`+- `RS0108YQ20RS0108YTQC20`++## CAD (KiCad official)++- Symbol: `RS0108YQ20`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Jiangsu RUNIC Tech datasheet](docs/rs0108yq20-datasheet.pdf) (21 pp, sha256 `f033d93efb6757f4`, 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/rs0108yq20-datasheet.pdf)

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