CD4066DMS

@@ -0,0 +1,62 @@+# CD4066DMS++**HGSEMI** · Analog Switches, Multiplexers · QSOP-16++CD4066DMS from HGSEMI, in a QSOP-16. 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 | IN/OUT A | bidirectional | Switch A analog signal terminal (bidirectional). Paired with pin 2 through the SPST switch; either pin may serve as input or output. Signal range VSS ≤ VIS ≤ VDD. |+| 2 | OUT/IN A | bidirectional | Switch A analog signal terminal (bidirectional). Paired with pin 1 through the SPST switch. |+| 3 | OUT/IN B | bidirectional | Switch B analog signal terminal (bidirectional). Paired with pin 4. |+| 4 | IN/OUT B | bidirectional | Switch B analog signal terminal (bidirectional). Paired with pin 3. |+| 5 | EN B | input | Switch B control (enable) input. Logic 1 (EN=VDD) closes the switch; logic 0 (EN=VSS) opens it (Hi-Z). Very high input impedance CMOS control. |+| 6 | EN C | input | Switch C control (enable) input. Logic 1 closes the switch; logic 0 opens it. |+| 7 | VSS | power_in | Negative supply / ground reference. VDD-VSS operating range 3 V to 15 V (absolute max 18 V). Analog signals must remain between VSS and VDD. |+| 8 | NC | unconnected | No internal connection. |+| 9 | NC | unconnected | No internal connection. |+| 10 | IN/OUT C | bidirectional | Switch C analog signal terminal (bidirectional). Paired with pin 11. |+| 11 | OUT/IN C | bidirectional | Switch C analog signal terminal (bidirectional). Paired with pin 10. |+| 12 | OUT/IN D | bidirectional | Switch D analog signal terminal (bidirectional). Paired with pin 13. |+| 13 | IN/OUT D | bidirectional | Switch D analog signal terminal (bidirectional). Paired with pin 12. |+| 14 | EN D | input | Switch D control (enable) input. Logic 1 closes the switch; logic 0 opens it. |+| 15 | EN A | input | Switch A control (enable) input. Logic 1 closes the switch; logic 0 opens it. |+| 16 | VDD | power_in | Positive supply. VDD-VSS operating range 3 V to 15 V; absolute max 18 V. Also sets logic-high threshold for the EN inputs. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | QSOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `CD4066DMS/TR`+- `CD4066DMSDN`+- `CD4066DMSDM/TR`+- `CD4066DMSDMT/TR`+- `CD4066DMSDLQ/TR`++## CAD (KiCad official)++- Symbol: `CD4066DMS`+- Footprint: `Package_SO:QSOP-16_3.9x4.9mm_P0.635mm`+- 3D model: QSOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/cd4066dms-datasheet.pdf) (13 pp, sha256 `9ac7644695df6892`, 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/cd4066dms-datasheet.pdf)

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