Rochester Electronics Datasheets for NVRAM

NVRAM memory chips (Non-volatile RAM) is used to store configuration information that can be changed through modem commands. 
NVRAM: Learn more

Product Name Notes
CY14B256P-SFXI - NVRAM 256kbit 32k x 8 2.7V - 3.6V SPI 40MHz 9ns 16-SOIC Tube
FM25V40 - NVRAM FRAM Serial