Maxim Integrated DS1510Y

Description
The DS1500/DS1510Y2KC is a watchdog RTC with NV control that features:
BCD coded century, year, month, date, day, hours, minutes, and seconds with automatic leap year compensation valid up to the year 2100
Programmable Watchdog Timer and RTC Alarm
Century register; Y2K Compliant RTC
Automatic battery backup and write protection to external SRAM
3.3 or 5V operation
Precision Power-On Reset
Power control circuitry supports system power on from date/day/time alarm or key closure
256 bytes user NV RAM
Auxiliary battery input
Accuracy of DS1510 is better than ±1 minute/month at 25°C
Day of week/Date alarm register
Battery voltage level indicator flags
Available as chip or standalone module with embedded battery and crystal
Optional industrial temperature range -40°C to 85 C (DS1500 only)

Features
BCD coded century, year, month, date, day, hours, minutes, and seconds with automatic leap year compensation valid up to the year 2100
Programmable Watchdog Timer and RTC Alarm
Century register; Y2K Compliant RTC
Automatic battery backup and write protection to external SRAM
3.3 or 5V operation
Precision Power-On Reset
Power control circuitry supports system power on from date/day/time alarm or key closure
256 bytes user NV RAM
Auxiliary battery input
Accuracy of DS1510 is better than ±1 minute/month at 25°C
Day of week/Date alarm register
Battery voltage level indicator flags
Available as chip or standalone module with embedded battery and crystal
Optional industrial temperature range -40°C to 85 C (DS1500 only)

Applications
Timekeeping and date stamping
System monitoring and control
Data logging and archival
Security systems
Industrial automation
Medical devices
Consumer electronics