CD4066BMT

@@ -0,0 +1,58 @@+# CD4066BMT++**HGSEMI** · Analog Switches, Multiplexers · TSSOP-14++CD4066BMT from HGSEMI, 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 | 1Y | bidirectional | Switch 1 analog I/O terminal Y. Bidirectional analog signal path to 1Z when 1E is HIGH; high-impedance when 1E is LOW. Signal range 0V to VDD. |+| 2 | 1Z | bidirectional | Switch 1 analog I/O terminal Z. Bidirectional analog signal path to 1Y when 1E is HIGH; high-impedance when 1E is LOW. Signal range 0V to VDD. |+| 3 | 2Z | bidirectional | Switch 2 analog I/O terminal Z. Bidirectional analog signal path to 2Y when 2E is HIGH; high-impedance when 2E is LOW. Signal range 0V to VDD. |+| 4 | 2Y | bidirectional | Switch 2 analog I/O terminal Y. Bidirectional analog signal path to 2Z when 2E is HIGH; high-impedance when 2E is LOW. Signal range 0V to VDD. |+| 5 | 2E | input | Switch 2 enable input (active HIGH). HIGH closes the 2Y-2Z analog switch; LOW opens it. Logic thresholds scale with VDD (VIH≥0.7·VDD). |+| 6 | 3E | input | Switch 3 enable input (active HIGH). HIGH closes the 3Y-3Z analog switch; LOW opens it. Logic thresholds scale with VDD. |+| 7 | VSS | power_in | Negative supply / ground reference (0V). All input and switch signals are referenced to VSS. |+| 8 | 3Y | bidirectional | Switch 3 analog I/O terminal Y. Bidirectional analog signal path to 3Z when 3E is HIGH; high-impedance when 3E is LOW. Signal range 0V to VDD. |+| 9 | 3Z | bidirectional | Switch 3 analog I/O terminal Z. Bidirectional analog signal path to 3Y when 3E is HIGH; high-impedance when 3E is LOW. Signal range 0V to VDD. |+| 10 | 4Z | bidirectional | Switch 4 analog I/O terminal Z. Bidirectional analog signal path to 4Y when 4E is HIGH; high-impedance when 4E is LOW. Signal range 0V to VDD. |+| 11 | 4Y | bidirectional | Switch 4 analog I/O terminal Y. Bidirectional analog signal path to 4Z when 4E is HIGH; high-impedance when 4E is LOW. Signal range 0V to VDD. |+| 12 | 4E | input | Switch 4 enable input (active HIGH). HIGH closes the 4Y-4Z analog switch; LOW opens it. Logic thresholds scale with VDD. |+| 13 | 1E | input | Switch 1 enable input (active HIGH). HIGH closes the 1Y-1Z analog switch; LOW opens it. Logic thresholds scale with VDD. |+| 14 | VDD | power_in | Positive supply voltage. Operating range 3V to 15V (recommended 3V to 12V). Sets the maximum analog signal swing and the logic thresholds on the nE control pins. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | TSSOP-14 |+| Category | Interface |+| Pins | 14 |++## Ordering variants++Same part, different packaging or reel option.++- `CD4066BMT/TR`+- `CD4066BMTBM/TR`+- `CD4066BMTBE`+- `CD4066BMTBN`++## CAD (KiCad official)++- Symbol: `CD4066BMT`+- 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:** [HGSEMI datasheet](docs/cd4066bmt-datasheet.pdf) (15 pp, sha256 `705f1381b09b6660`, 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/cd4066bmt-datasheet.pdf)

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