Real-time clock (RTC) keeps track of hundredths of seconds, minutes, hours, days, date of the month, months, and years 128k 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 Month and year determine the number of days in each month; valid up to 2100 Full 10% operating range Operating temperature range: 0°C to +70°C Over 10 years of data retention in the absence of power Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time DIP Module only Standard 32-pin JEDEC pinout PowerCap® Module Board only
Surface mountable package for direct connection to PowerCap containing battery and crystal
Replaceable battery (PowerCap)
Pin for pin compatible with DS1244P and DS1251P |