RS0204YQ

@@ -0,0 +1,55 @@+# RS0204YQ++**Jiangsu RUNIC Tech** · Translators / Level Shifters · TSSOP-14++RS0204YQ from Jiangsu RUNIC Tech, in a TSSOP-14. 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 | VCCA | power_in | A-port supply voltage. 1.2 V ≤ VCCA ≤ 3.6 V and VCCA ≤ VCCB. Sets the logic level of the A-port I/Os and OE reference. |+| 2 | A1 | bidirectional | Input/output A1, referenced to VCCA. Bidirectional level-translated data line paired with B1. |+| 3 | A2 | bidirectional | Input/output A2, referenced to VCCA. Bidirectional level-translated data line paired with B2. |+| 4 | A3 | bidirectional | Input/output A3, referenced to VCCA. Bidirectional level-translated data line paired with B3. |+| 5 | A4 | bidirectional | Input/output A4, referenced to VCCA. Bidirectional level-translated data line paired with B4. |+| 6 | NC | unconnected | No internal connection. Leave floating or tie to GND. |+| 7 | GND | power_in | Ground reference for the device. |+| 8 | OE | input | Output Enable (active high), referenced to VCCA. Drive OE low to place all A/B I/Os into 3-state; has an internal pull-down current source (device requires an external pull-down to guarantee Hi-Z at power-up/down). |+| 9 | NC | unconnected | No internal connection. Leave floating or tie to GND. |+| 10 | B4 | bidirectional | Input/output B4, referenced to VCCB. Bidirectional level-translated data line paired with A4. |+| 11 | B3 | bidirectional | Input/output B3, referenced to VCCB. Bidirectional level-translated data line paired with A3. |+| 12 | B2 | bidirectional | Input/output B2, referenced to VCCB. Bidirectional level-translated data line paired with A2. |+| 13 | B1 | bidirectional | Input/output B1, referenced to VCCB. Bidirectional level-translated data line paired with A1. |+| 14 | VCCB | power_in | B-port supply voltage. 1.65 V ≤ VCCB ≤ 5.5 V. Must be ≥ VCCA. Sets the logic level of the B-port I/Os. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Jiangsu RUNIC Tech |+| Package | TSSOP-14 |+| Category | Logic |+| Pins | 14 |++## Ordering variants++- `RS0204YQ`+- `RS0204YQRS0204YTQF14`+- `RS0204YQRS0204YUTQH12`++## CAD (KiCad official)++- Symbol: `RS0204YQ`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Jiangsu RUNIC Tech datasheet](docs/rs0204yq-datasheet.pdf) (25 pp, sha256 `2b2cf998cb22d7a6`, 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/rs0204yq-datasheet.pdf)

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