STMicroelectronics M48T251Y Manuals

ST M48T251Y M48T251V handbook

This document introduces the features and characteristics of the M48T251Y and M48T251V products, including operating voltage, real-time clock, automatic switch-over and deselect circuit, battery fail deselect voltage, full 10% VCC operating range, more than 10 years of data retention, clock function is transparent, and 512K x 8 NV SRAM directly replaces volatile static RAM or EEPROM.