Cypress CY14B101PA is a 3 V, 1 Mbit (128 K x 8) serial (SPI) nvSRAM with Real Time Clock (RTC) in 0.13 u technology. It is a pin to pin replacement for CY14B101P and has enhanced features such as lower power, 104 MHz operation and Back up power fail flag. Because of these enhancements there are a few differences in parameters which should be considered by users while migrating from the older part.
This application note highlights the differences between the CY14B101P and the CY14B101PA and lists the parameters of significance that must be considered while migrating. These differences and considerations are applicable for the CY14B512PA (3 V, 64 K x 8, 512 Kbit) and CY14B256PA (3 V, 32 K x 8, 256 Kbit) serial (SPI) nvSRAMs with RTC, which are the replacement parts for CY14B512P and CY14B256P devices, respectively.
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