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CN809S
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ShangHai Consonance Elec Supervisor and Reset ICs, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+42@@ -0,0 +1,42 @@+# CN809S++**ShangHai Consonance Elec** · Supervisor and Reset ICs · SOT-23++CN809S from ShangHai Consonance Elec, in a SOT-23. 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 | GND | power_in | Ground reference for the device. |+| 2 | RESET | output | Active-low CMOS reset output. Driven low when VCC falls below the 2.93V reset threshold, and held low for at least 140 ms (typ 240 ms) after VCC rises above VRES + VHYST before returning high. Rated up to 20 mA; VOL <= 0.3V at ISINK up to 5 mA. |+| 3 | VCC | power_in | Positive supply input. Powers the internal circuitry and is the monitored voltage. Operating range 1.15V (minimum for valid output) up to 5.5V absolute maximum; typical IVCC = 3.2 µA at 3V. A 0.1 µF bypass capacitor near this pin is recommended. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | ShangHai Consonance Elec |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `CN809S`++## CAD (KiCad official)++- Symbol: `CN809S`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [ShangHai Consonance Elec datasheet](docs/cn809s-datasheet.pdf) (7 pp, sha256 `4105c79299e10a52`, 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/cn809s-datasheet.pdf)
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