QFN-20-1EP_4x4mm_P0.5mm_EP2.7x2.7mm

Package_DFN_QFN

QFN, 20 Pin (https://www.silabs.com/documents/public/data-sheets/Si5351-B.pdf)

Footprint

21 pads

none

no 3D model

This footprint names no 3D model, or names one the upstream package set never shipped. Nothing is shown rather than a model that 404s.

Parts that use it

Oscillator

I2C Programmable Any-Frequency CMOS Clock Generator, QFN-20

Interface_Expansion

8-bit I/O expander, I2C, interrupts, QFN-20

Oscillator

I2C Programmable Any-Frequency CMOS Clock Generator, QFN-20

Oscillator

I2C Programmable Any-Frequency CMOS Clock Generator + VCXO, QFN-20

On real boards

The largest boards that carry it

Design	Parts	Nets	Layers	Board	Licence	Source
LibreVNA Kicad PCB	592	439	6	122 × 98 mm	CC-BY-4.0	sophiekovalevsky/LibreVNA ↗
Radiohat 2.0 Preliminary (not a Hat)	175	150	4	85 × 56 mm	CC-BY-4.0	mpvano/radiohat2 ↗
Radiohat 2.0 Preliminary (not a Hat)	175	157	4	85 × 56 mm	CC-BY-4.0	mpvano/radiohat2 ↗
PiDashHat	154	155	4	65 × 56 mm	CC-BY-4.0	michaelyoyo/piDashHat ↗
SI5351 Kammgenerator	129	105	4	142 × 75 mm	CC-BY-4.0	dm2lct/si5351_broadband_comb_generator ↗
BioSenseWearable BOARD2	123	154	4	57 × 35 mm	CC-BY-4.0	MorganJamesSmith/BioSenseWearable ↗
BioSenseWearable	122	155	4	57 × 35 mm	CC-BY-4.0	MorganJamesSmith/BioSenseWearable ↗
ModularAudio BOARD9	105	78	4	40 × 40 mm	CC-BY-4.0	BlockWorker/ModularAudio ↗
Keyboard Featherwing Hw	96	91	2	68 × 100 mm	CC-BY-4.0	solderparty/keyboard_featherwing_hw ↗
RADIOHAT2 BOARD3	94	107	4	85 × 56 mm	CC-BY-4.0	mpvano/radiohat2 ↗
DAB receiver board	91	80	2	100 × 68 mm	CC-BY-4.0	PE5PVB/SI4684-DAB-Receiver ↗
DAB receiver board	91	80	2	100 × 68 mm	CC-BY-4.0	PE5PVB/SI4684-DAB-Receiver ↗

Provenance