MS5351M

@@ -0,0 +1,52 @@+# MS5351M++**Hangzhou Ruimeng Tech** · Clock Generators, PLLs, Frequency Synthesizers · MSOP-10++MS5351M from Hangzhou Ruimeng Tech, in a MSOP-10. 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 | VDD | power_in | Internal core circuit supply. Recommended 2.7 V to 3.3 V (typ 3.0 V); absolute max -0.5 V to 3.6 V. Decouple locally. |+| 2 | XA | input | External crystal input pin. Connects to one terminal of a 25 MHz or 27 MHz crystal (CL 6-12 pF, ESR <=150 Ω). Input voltage range -0.3 V to 1.1 V. |+| 3 | XB | input | External crystal input pin. Connects to the other terminal of the 25 MHz or 27 MHz crystal. Input voltage range -0.3 V to 1.1 V. |+| 4 | SCL | input | I2C clock input. Requires an external pull-up resistor of at least 1 kΩ to VDDO. Supports 100 kbps standard and 400 kbps fast mode. |+| 5 | SDA | bidirectional | I2C data input/output (open-drain). Requires an external pull-up resistor of at least 1 kΩ to VDDO. Supports 100 kbps standard and 400 kbps fast mode. |+| 6 | CLK2 | output | Output clock channel 2. Programmable frequency from 2.5 kHz to 200 MHz. Output impedance ~50 Ω at 3.3 V VDDO high-drive; drive up to 5 mA. |+| 7 | VDDO | power_in | Output stage supply. Independent from VDD; supports 1.8 V, 2.5 V, or 3.3 V nominal (abs max -0.5 V to 3.8 V) to set output logic swing. |+| 8 | GND | power_in | Reference ground for all supplies and signal returns. |+| 9 | CLK1 | output | Output clock channel 1. Programmable frequency from 2.5 kHz to 200 MHz. Output impedance ~50 Ω at 3.3 V VDDO high-drive; drive up to 5 mA. |+| 10 | CLK0 | output | Output clock channel 0. Programmable frequency from 2.5 kHz to 200 MHz. Output impedance ~50 Ω at 3.3 V VDDO high-drive; drive up to 5 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Hangzhou Ruimeng Tech |+| Package | MSOP-10 |+| Category | Clock/Timing |+| Pins | 10 |++## Ordering variants++Same part, different packaging or reel option.++- `MS5351M`++## CAD (KiCad official)++- Symbol: `MS5351M`+- Footprint: `Package_SO:MSOP-10_3x3mm_P0.5mm`+- 3D model: MSOP-10 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Hangzhou Ruimeng Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894580762677249) (11 pp, sha256 `d73062cbbb8e9efa`, 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).++[Datasheet PDF](docs/ms5351m-datasheet.pdf)

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