# CD4049UBPWR

**Texas Instruments** · Inverters · TSSOP-16

CD4049UBPWR from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCC | power_in | Power pin |
| 2 | G | output | Inverting output 1. G = A |
| 3 | A | input | Input 1 |
| 4 | H | output | Inverting output 2. H = B |
| 5 | B | input | Input 2 |
| 6 | I | output | Inverting output 3. I = C |
| 7 | C | input | Input 3 |
| 8 | VSS | power_in | Negative supply |
| 9 | D | input | Input 4 |
| 10 | J | output | Inverting output 4. J = D |
| 11 | E | input | Input 5 |
| 12 | K | output | Inverting output 5. K = E |
| 13 | NC | unconnected | No connection |
| 14 | F | input | Input 6 |
| 15 | L | output | Inverting output 6. L = F |
| 16 | NC | unconnected | No connection |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-16 |
| Category | Logic |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `CD4049UBPWR`
- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`
- 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files: `cd4049ubpwr-etched.step` / `cd4049ubpwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd4049ubpwr.step` / `cd4049ubpwr.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/cd4049ub.pdf) (39 pp, sha256 `a7b654637b4abb93`, retrieved 2026-09-24, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/cd4049ubpwr-datasheet.pdf)