CD4049UBM

@@ -0,0 +1,60 @@+# CD4049UBM++**HGSEMI** · Inverters · SOP-16++CD4049UBM 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 | VDD | power_in | Positive supply voltage. Recommended operating range 5 V to 15 V; absolute maximum -0.5 V to +18 V. |+| 2 | G (~A) | output | Inverter 1 output (logical NOT of input A on pin 3). CMOS push-pull output; rated for 12 mA continuous. |+| 3 | A | input | Inverter 1 input. High-impedance CMOS input; protection network permits VIN > VDD (recommended VIN 0 V to 15 V). |+| 4 | H (~B) | output | Inverter 2 output (logical NOT of input B on pin 5). |+| 5 | B | input | Inverter 2 input. High-impedance CMOS input tolerant of VIN > VDD. |+| 6 | I (~C) | output | Inverter 3 output (logical NOT of input C on pin 7). |+| 7 | C | input | Inverter 3 input. High-impedance CMOS input tolerant of VIN > VDD. |+| 8 | VSS | power_in | Negative supply / ground reference. Datasheet notes VSS = 0 V unless otherwise stated. |+| 9 | D | input | Inverter 4 input. High-impedance CMOS input tolerant of VIN > VDD. |+| 10 | J (~D) | output | Inverter 4 output (logical NOT of input D on pin 9). |+| 11 | E | input | Inverter 5 input. High-impedance CMOS input tolerant of VIN > VDD. |+| 12 | K (~E) | output | Inverter 5 output (logical NOT of input E on pin 11). |+| 13 | NC | unconnected | No internal connection. Leave floating or tie to VSS. |+| 14 | F | input | Inverter 6 input. High-impedance CMOS input tolerant of VIN > VDD. |+| 15 | L (~F) | output | Inverter 6 output (logical NOT of input F on pin 14). |+| 16 | NC | unconnected | No internal connection. Leave floating or tie to VSS. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-16 |+| Category | Logic |+| Pins | 16 |++## Ordering variants++- `CD4049UBM/TR`+- `CD4049UBMCD4049UBE`+- `CD4049UBMCD4049UBN`+- `CD4049UBMT/TR`+- `CD4049UBMCD4049UBLQ/TR`++## CAD (KiCad official)++- Symbol: `CD4049UBM`+- 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/cd4049ubm-datasheet.pdf) (11 pp, sha256 `d1b47e24b0ba71a2`, 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/cd4049ubm-datasheet.pdf)

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