# CY2304SXI-2T

**Infineon Cypress Semicon** · Clock Buffers, Drivers, Distributors · SOIC-8

CY2304SXI-2T from Infineon Cypress Semicon, in a SOIC-8. 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 | REF | input | Input reference frequency, 5 V tolerant input with weak pull-down |
| 2 | CLKA1 | output | Clock output, Bank A with weak pull-down |
| 3 | CLKA2 | output | Clock output, Bank A with weak pull-down |
| 4 | GND | power_in | Ground |
| 5 | CLKB1 | output | Clock output, Bank B with weak pull-down |
| 6 | CLKB2 | output | Clock output, Bank B with weak pull-down |
| 7 | VDD | power_in | 3.3 V supply |
| 8 | FBK | input | PLL feedback input |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Infineon Cypress Semicon |
| Package | SOIC-8 |
| Category | Clock/Timing |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `CY2304SXI-2T`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `cy2304sxi-2t-etched.step` / `cy2304sxi-2t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cy2304sxi-2t.step` / `cy2304sxi-2t.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Infineon Cypress Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943968398675968) (18 pp, sha256 `93b83980bbc5f15b`, retrieved 2026-09-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cy2304sxi-2t-datasheet.pdf)