●Description of Change
■Silicon Labs announces an End of Life (EOL) and Last Time Buy (LTB) for SI4421-A0-FT/FT1 devices.
■Existing customers may place LTB orders per the key dates above and guidelines listed in this EOL form.
■All customer orders with a Customer Requested Delivery Date (CRD) between the Last Time Buy (Order) Date and the EOL Effective Date will be Non-Cancellable and Non-Returnable (NCNR). As of this EOL Date, Silicon Labs will no longer accept customer orders with a CRD beyond the EOL Effective Date.

Brand of Product：	Silicon Labs
Part#：	SI4421-A0-FT 、 SI4421-A1-FT 、 SI4421-A0-FTR 、 SI4421-A1-FTR 、 SI4421-A0-FT1 、 SI4421-A1-FT1 、 SI4421-A0-FT1R 、 SI4421-A1-FT1R More Part#
Product Category：	More
Application：	More
Data Type：	PCN/EOL More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	Sep 28, 2022
Version Number：
Data Encoding：	2209281348;2022-09-28-1348
Data Size：	704 KB