MC14049UBDR2G

@@ -0,0 +1,59 @@+# MC14049UBDR2G++**onsemi** · Inverters · SOIC-16++MC14049UBDR2G from onsemi, in a SOIC-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 pin. Operating range 3.0 V to 18 V (absolute max -0.5 V to +18.0 V). |+| 2 | OUTA | output | Buffer A output - inverted logic level of INA. CMOS push-pull output; drives two TTL/DTL loads at VDD = 5 V (VOL <= 0.4 V, IOL >= 3.2 mA). |+| 3 | INA | input | Buffer A input. High-impedance CMOS input; VIN may exceed VDD (up to 18 V) enabling high-to-low level translation. |+| 4 | OUTB | output | Buffer B output - inverted logic level of INB. |+| 5 | INB | input | Buffer B input. High-impedance CMOS input; VIN may exceed VDD. |+| 6 | OUTC | output | Buffer C output - inverted logic level of INC. |+| 7 | INC | input | Buffer C input. High-impedance CMOS input; VIN may exceed VDD. |+| 8 | VSS | power_in | Ground / negative supply reference. All voltages referenced to VSS. |+| 9 | IND | input | Buffer D input. High-impedance CMOS input; VIN may exceed VDD. |+| 10 | OUTD | output | Buffer D output - inverted logic level of IND. |+| 11 | INE | input | Buffer E input. High-impedance CMOS input; VIN may exceed VDD. |+| 12 | OUTE | output | Buffer E output - inverted logic level of INE. |+| 13 | NC | unconnected | No internal connection. Datasheet states pin 13 is not connected internally; connections to this terminal will not affect circuit operation. |+| 14 | OUTF | output | Buffer F output - inverted logic level of INF. |+| 15 | INF | input | Buffer F input. High-impedance CMOS input; VIN may exceed VDD. |+| 16 | NC | unconnected | No internal connection. Datasheet states pin 16 is not connected internally; connections to this terminal will not affect circuit operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-16 |+| Category | Logic |+| Pins | 16 |++## Ordering variants++- `MC14049UBDR2GDR2G`+- `MC14049UBDR2GDG`+- `MC14049UBDR2GNLVDR2G`+- `MC14049UBDR2GDTR2G`+- `MC14049UBDR2GNLVDTR2G`++## CAD (KiCad official)++- Symbol: `MC14049UBDR2G`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/mc14049ub-d.pdf) (8 pp, sha256 `5dcc468a00c33385`, retrieved 2026-08-17, tier: manufacturer)+- **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/mc14049ubdr2g-datasheet.pdf)

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