Maxim Integrated DS1251Y-70+, Real Time Clock, 32-Pin EDIP, Часы реального времени

Real-Time Clock Keeps Track of Hundredths Of Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years
512k x 8 NV SRAM Directly Replaces Volatile Static RAM or EEPROM
Embedded Lithium Energy Cell Maintains Calendar Operation and Retains RAM data
Watch function is Transparent to RAM Operation
Automatic Leap Year Compensation Valid Up to 2100
Over 10 Years of Data Retention in the Absence of Power
Full 10% Operating Range
Lithium Energy Source is Electrically Disconnected to Retain Freshness until Power is Applied for the First Time
DIP Module Only
Standard 32-Pin Pinout
Upward Compatible with the DS1248
PowerCap Module Board Only
Surface Mountable Package for Direct Connection to PowerCap Containing Battery and Crystal
Replaceable Battery (PowerCap)
Pin-for-Pin Compatible with Other Densities of DS124xP Phantom Clocks

Datasheet DS1251Y-70+