Simtek obsolete part reference for STK25C48

Question:

What is the drop in replacement for Simtek STK25C48 series of parts?

 

Answer:

Simtek has made obsolete the following parts long ago. There may not be any drop in replacement for these parts. The nearest part suggested by Simtek is the STK12C68 series. Use of these parts requires minor changes in the layout of the application. Moreover STK12C68 series is in NRND (not recommended for new design) status. The changes to be done for choosing STK12C68 is specified in the attached app note. This may not be a drop in replacement and sometimes changes may have to be done, for those issues we strongly recommend customers to use the latest series ofCypress NVSRAMs such as the CY14E256LA and redesign their boards.

STK25C48-W
STK25C48-W20
STK25C48-W20I
STK25C48-W25
STK25C48-W25I
STK25C48-W35
STK25C48-W35I
STK25C48-W45
STK25C48-W45I