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CY22381FXIT
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Infineon Cypress Semicon Clock Generators, PLLs, Frequency Synthesizers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CY22381FXIT
Infineon Cypress Semicon · Clock Generators, PLLs, Frequency Synthesizers · SOIC-8
CY22381FXIT 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 | CLKC | output | Configurable clock output C sourced from crosspoint switch through programmable 7-bit post divider, maximum frequency 166 MHz. |
| 2 | GND | power_in | Ground reference. |
| 3 | XTALIN | input | Reference crystal input for 8-30 MHz crystals or external reference clock input up to 150 MHz. |
| 4 | XTALOUT | output | Reference crystal oscillator feedback output; leave floating if XTALIN is driven by external reference clock. |
| 5 | CLKB | output | Configurable clock output B sourced from crosspoint switch through programmable 7-bit post divider, maximum frequency 166 MHz. |
| 6 | CLKA | output | Configurable clock output A sourced from crosspoint switch through programmable 7-bit post divider, maximum frequency 166 MHz. |
| 7 | VDD | power_in | Power supply input, nominal 3.3V with operating range 3.135V to 3.465V. |
| 8 | FS/SUSPEND/OE/SHUTDOWN | input | Programmable general purpose input for frequency select, suspend mode, output enable (three-states outputs when LOW), or full-chip shutdown when LOW. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Infineon Cypress Semicon |
| Package | SOIC-8 |
| Category | Clock/Timing |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
CY22381FXIT - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
cy22381fxit-etched.step/cy22381fxit-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cy22381fxit.step/cy22381fxit.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Infineon Cypress Semicon datasheet (9 pp, sha256
e5855244babde748, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).
# CY22381FXIT
**Infineon Cypress Semicon** · Clock Generators, PLLs, Frequency Synthesizers · SOIC-8
CY22381FXIT 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 | CLKC | output | Configurable clock output C sourced from crosspoint switch through programmable 7-bit post divider, maximum frequency 166 MHz. |
| 2 | GND | power_in | Ground reference. |
| 3 | XTALIN | input | Reference crystal input for 8-30 MHz crystals or external reference clock input up to 150 MHz. |
| 4 | XTALOUT | output | Reference crystal oscillator feedback output; leave floating if XTALIN is driven by external reference clock. |
| 5 | CLKB | output | Configurable clock output B sourced from crosspoint switch through programmable 7-bit post divider, maximum frequency 166 MHz. |
| 6 | CLKA | output | Configurable clock output A sourced from crosspoint switch through programmable 7-bit post divider, maximum frequency 166 MHz. |
| 7 | VDD | power_in | Power supply input, nominal 3.3V with operating range 3.135V to 3.465V. |
| 8 | FS/SUSPEND/OE/SHUTDOWN | input | Programmable general purpose input for frequency select, suspend mode, output enable (three-states outputs when LOW), or full-chip shutdown when LOW. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Infineon Cypress Semicon |
| Package | SOIC-8 |
| Category | Clock/Timing |
| Pins | 8 |
## CAD (KiCad official)
- Symbol: `CY22381FXIT`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `cy22381fxit-etched.step` / `cy22381fxit-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cy22381fxit.step` / `cy22381fxit.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/8588918602057584640) (9 pp, sha256 `e5855244babde748`, retrieved 2026-09-22, 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/cy22381fxit-datasheet.pdf)