DS1254WB2-150 Overview
real time clocks is located in package 80-BBGA.As of Tray, time clock is packaged in this way.There is 3V~3.7V voltage supply for this electrical RTC.It can be said that this electrical real time clock belongs to the Phantom Time Chip type.The real time clock (RTC) that is mounted in the way of Surface Mount is connected to this circuit board.In order to operate properly, the temperature should be 0°C~70°C.During the course of operation, Leap Year, NVSRAM can be ensured.DS1254 are the family name of RTCs .As far as the supply voltage for this electrical digital time clock is concerned, it is 3V.For the purpose of storing data and programs, the RTC times are embedded with a storage capacity of 2MB.A total of 40 pins are attached to this real time clock.Maintaining the supply voltage at 3.3V is the key to high efficiency.
DS1254WB2-150 Features
80-BBGA package
Be maintained at 3.3V for high efficiency.

DS1254WB2-150 Applications
There are a lot of Maxim Integrated
DS1254WB2-150 Real Time Clocks applications.

Copy machines
Mobile equipment
Battery powered devices
Printers and copiers
Electronic metering
Digital cameras
White goods
Elapsed time counter
Network powered devices
Battery backed up systems

Mounting Type	Surface Mount
Package / Case	80-BBGA
Number of Pins	40
Operating Temperature	0°C~70°C
Packaging	Tray
Published	2009
Feature	Leap Year, NVSRAM
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Phantom Time Chip
Voltage - Supply	3V~3.7V
Base Part Number	DS1254
Operating Supply Voltage	3.3V
Interface	Parallel
Memory Size	2MB
Data Bus Width	8b
Density	16 Mb
Time Format	HH:MM:SS:hh (12/24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	7mA @ 3.3V
Voltage - Supply, Battery	3V
Radiation Hardening	No
RoHS Status	ROHS3 Compliant