74HC4052M

@@ -0,0 +1,59 @@+# 74HC4052M++**HGSEMI** · Signal Switches / Encoders & Decoders / Multiplexers · SOP-16++74HC4052M from HGSEMI, in a SOP-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 | Y0B | bidirectional | B-side independent analog input/output channel 0. Connects to common ZB when A1=L, A0=L and E=L. |+| 2 | Y2B | bidirectional | B-side independent analog input/output channel 2. Connects to common ZB when A1=H, A0=L and E=L. |+| 3 | ZB | bidirectional | B-side common analog input/output. Muxed to one of Y0B..Y3B according to A1/A0 while E is low. |+| 4 | Y3B | bidirectional | B-side independent analog input/output channel 3. Connects to common ZB when A1=H, A0=H and E=L. |+| 5 | Y1B | bidirectional | B-side independent analog input/output channel 1. Connects to common ZB when A1=L, A0=H and E=L. |+| 6 | ~E | input | Active-low enable input. When low, one channel per group is on according to A0/A1. When high, all switches are in high-impedance off state regardless of A0/A1. |+| 7 | VEE | power_in | Negative analog supply for the switch channels. Recommended -6.0 V to 0 V; VDD-VEE must not exceed 9 V (12 V absolute max). Tie to VSS (0 V) for pure digital-multiplexer use. |+| 8 | VSS | power_in | Digital ground / logic reference for A0, A1 and E inputs. |+| 9 | A1 | input | Digital channel-select input, MSB of the 2-bit selector shared by both A and B switch groups. Referenced to VSS..VDD. |+| 10 | A0 | input | Digital channel-select input, LSB of the 2-bit selector shared by both A and B switch groups. Referenced to VSS..VDD. |+| 11 | Y3A | bidirectional | A-side independent analog input/output channel 3. Connects to common ZA when A1=H, A0=H and E=L. |+| 12 | Y0A | bidirectional | A-side independent analog input/output channel 0. Connects to common ZA when A1=L, A0=L and E=L. |+| 13 | ZA | bidirectional | A-side common analog input/output. Muxed to one of Y0A..Y3A according to A1/A0 while E is low. |+| 14 | Y1A | bidirectional | A-side independent analog input/output channel 1. Connects to common ZA when A1=L, A0=H and E=L. |+| 15 | Y2A | bidirectional | A-side independent analog input/output channel 2. Connects to common ZA when A1=H, A0=L and E=L. |+| 16 | VDD | power_in | Positive supply for digital logic and switch drivers. Recommended 3.0 V to 9.0 V (typ 5 V); absolute max 12 V. VDD-VEE must be within 9 V recommended (12 V absolute max). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-16 |+| Category | Logic |+| Pins | 16 |++## Ordering variants++- `74HC4052MN`+- `74HC4052MM/TR`+- `74HC4052MMT/TR`+- `74HC4052MMS/TR`+- `74HC4052MLQ/TR`++## CAD (KiCad official)++- Symbol: `74HC4052M`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/74hc4052m-datasheet.pdf) (13 pp, sha256 `c10511caf4ff602c`, 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/74hc4052m-datasheet.pdf)

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