Datasheet
This document describes the features and characteristics of M48T129Y and M48T129V, two 1Mbit SRAM real-time clock integrated circuits, including low power consumption, BCD coded century and year, battery low warning, automatic power-fail chip deselect and write protection.
Datasheet
The document introduces the M48T129Y and M48T129V, which are 1Mbit SRAM products. These products feature ultra-low power consumption, real-time clock, battery, and crystal. They have BCD-coded century, year, month, day, date, hours, minutes, and seconds. They support automatic power-fail chip deselect and write protection. In addition, they have software-controlled clock calibration and can retain data for up to 10 years.
