AN321 - Migrating from Grade 1 version of FM25040A to Grade 1 version of FM25040B | Cypress Semiconductor
AN321 - Migrating from Grade 1 version of FM25040A to Grade 1 version of FM25040B
AN321 discusses the key differences that need to be considered when migrating from Grade 1 version of FM25040A to Grade 1 version of FM25040B. FM25040A is now obsolete and this application note explains how FM25040B is a replacement for FM25040A.
The FM25040B-GA, a 4-Kbit SPI Grade 1 F-RAM™, is a replacement device for FM25040A-GA, which is now obsolete. The two devices are identical in terms of package, pinout, DC / AC parameters, and read / write functionality. This application note discusses the key differences between the two devices that need to be considered when migrating from FM25040A-GA to FM25040B-GA.
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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