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AN1209 - Auto Clock Switching Using Cypress Failsafe™ Devices (CY23FS04/08) | Cypress Semiconductor

AN1209 - Auto Clock Switching Using Cypress Failsafe™ Devices (CY23FS04/08)

Last Updated: 
Aug 11, 2014
Version: 
*C
This is an Obsolete Application Note
The document AN1209 - Auto Clock Switching Using Cypress Failsafe™ Devices (CY23FS04/08) has been marked as obsolete. The obsolete version of this application note is still available with the below description but may not be complete or valid any longer. If you have any questions or require support in regards to the below application note content, please click here and create a technical support case.

AN1209 describes the use of the Cypress Failsafe CY23FS08/04 as a clock redundancy device. Smooth transition between the two frequencies has been demonstrated. These input clocks can be of the same frequency or of different frequency (a fixed multiple of each other). A sample circuit to accomplish input clock redundancy is provided.