# HDSP-5621

**Broadcom/AVAGO** · LED Segment Displays · DIP-18

HDSP-5621 from Broadcom/AVAGO, in a DIP-18. 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 | E Cathode No. 1 | passive | Cathode of segment E in digit No. 1 for the common-anode package E display. |
| 2 | D Cathode No. 1 | passive | Cathode of segment D in digit No. 1 for the common-anode package E display. |
| 3 | C Cathode No. 1 | passive | Cathode of segment C in digit No. 1 for the common-anode package E display. |
| 4 | DP Cathode No. 1 | passive | Cathode of the decimal point in digit No. 1 for the common-anode package E display. |
| 5 | E Cathode No. 2 | passive | Cathode of segment E in digit No. 2 for the common-anode package E display. |
| 6 | D Cathode No. 2 | passive | Cathode of segment D in digit No. 2 for the common-anode package E display. |
| 7 | G Cathode No. 2 | passive | Cathode of segment G in digit No. 2 for the common-anode package E display. |
| 8 | C Cathode No. 2 | passive | Cathode of segment C in digit No. 2 for the common-anode package E display. |
| 9 | DP Cathode No. 2 | passive | Cathode of the decimal point in digit No. 2 for the common-anode package E display. |
| 10 | B Cathode No. 2 | passive | Cathode of segment B in digit No. 2 for the common-anode package E display. |
| 11 | A Cathode No. 2 | passive | Cathode of segment A in digit No. 2 for the common-anode package E display. |
| 12 | F Cathode No. 2 | passive | Cathode of segment F in digit No. 2 for the common-anode package E display. |
| 13 | Digit No. 2 Anode | passive | Common anode of digit No. 2 for the package E display. |
| 14 | Digit No. 1 Anode | passive | Common anode of digit No. 1 for the package E display. |
| 15 | B Cathode No. 1 | passive | Cathode of segment B in digit No. 1 for the common-anode package E display. |
| 16 | A Cathode No. 1 | passive | Cathode of segment A in digit No. 1 for the common-anode package E display. |
| 17 | G Cathode No. 1 | passive | Cathode of segment G in digit No. 1 for the common-anode package E display. |
| 18 | F Cathode No. 1 | passive | Cathode of segment F in digit No. 1 for the common-anode package E display. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Broadcom/AVAGO |
| Package | DIP-18 |
| Category | Displays |
| Pins | 18 |

## CAD (KiCad official)

- Symbol: `HDSP-5621`
- Footprint: `Package_DIP:DIP-18_W7.62mm`
- 3D model: DIP-18 (KiCad packages3D, STEP)
- 3D model files: `hdsp-5621-etched.step` / `hdsp-5621-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hdsp-5621.step` / `hdsp-5621.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Broadcom/AVAGO datasheet](docs/hdsp-5621-datasheet.pdf) (13 pp, sha256 `b254026b94c77076`, retrieved 2026-10-28, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/hdsp-5621-datasheet.pdf)