# SN74HC165DTR

**XBLW** · Shift Registers · SOP-16

SN74HC165DTR from XBLW, in a SOP-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 | PL | input | Asynchronous parallel load input (active LOW). |
| 2 | CP | input | Clock input, LOW-to-HIGH edge-triggered. |
| 3 | D4 | input | Parallel data input (also referred to as Dn). |
| 4 | D5 | input | Parallel data input (also referred to as Dn). |
| 5 | D6 | input | Parallel data input (also referred to as Dn). |
| 6 | D7 | input | Parallel data input (also referred to as Dn). |
| 7 | Q7̅ | output | Complementary output from the last stage. |
| 8 | GND | power_in | Ground (0 V). |
| 9 | Q7 | output | Serial output from the last stage. |
| 10 | DS | input | Serial data input. |
| 11 | D0 | input | Parallel data input (also referred to as Dn). |
| 12 | D1 | input | Parallel data input (also referred to as Dn). |
| 13 | D2 | input | Parallel data input (also referred to as Dn). |
| 14 | D3 | input | Parallel data input (also referred to as Dn). |
| 15 | CE | input | Clock enable input (active LOW). |
| 16 | VCC | power_in | Supply voltage. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XBLW |
| Package | SOP-16 |
| Category | Logic |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `SN74HC165DTR`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files: `sn74hc165dtr-etched.step` / `sn74hc165dtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hc165dtr.step` / `sn74hc165dtr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [XBLW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906025463791616) (16 pp, sha256 `c4cc4852263722f6`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-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/sn74hc165dtr-datasheet.pdf)