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AN311 - FM25V01 Replaces Two FM25CL64s | Cypress Semiconductor

AN311 - FM25V01 Replaces Two FM25CL64s

Last Updated: 
Nov 20, 2015

The FM25V01, a 128-Kbit SPI F-RAM, is a potential replacement for two FM25CL64 (64-Kbit) devices; FM25CL64 is now obsolete. For most designs, the FM25V01 device can be considered a superset of the FM25CL64. The two devices are identical in terms of pinout, package dimensions, and read/write functionality. This application note discusses the key differences between the two devices, apart from density, which need to be considered when migrating from FM25CL64 to FM25V01.

Dear valued customer,

Thank you for choosing our products. They come with all the know-how and passion that our engineers have put into it. As you probably already know, Cypress is now Infineon. This is a major step for our company, but also for the good of you. 

Reliability and business continuity are of utmost importance for us. Hence, we remain fully committed to honoring existing customer and distributor relationships. This includes offering the legacy Cypress product portfolio. We thank you very much for your trusting support.

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