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Comparing CY14B256L, STK14C88-3 nvSRAM

Posted: 15 Dec 2008     Print Version  Bookmark and Share

Keywords:CY14B256L  STK14C88-3  nvSRAMs 

This application note by Cypress compares the CY14B256L (0.25µm) and the STK14C88-3 (0.8µm) devices and presents the results. CY14B256L and STK14C88-3 are both 256K (32K x 8), 3V nvSRAMs in two different technologies, 0.25µm and 0.8µm respectively. These parts are functionally similar and can be used in the same applications. However there are differences in parameters, which should be considered when replacing one part with the other.

The specifications in the data sheets of CY14B256L (0.25µm) and STK14C88-3 (0.8µm) are compared. This comparison is not intended to be comprehensive, because there are subtle differences that are not relevant in most applications.

Most applications use autostore and autorecall features of nvSRAM. To simplify the comparison, all electrical parameters which may affect the application performance directly or indirectly are considered. Designers must consider these differences, and if necessary do appropriate changes in their design.

View the PDF document for more information.

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