Real-Time Clock

Provide time of day and support features such as Alarm, Periodic Interrupt, Square Wave, RESET, or watchdog timer.

DATA SHEETS
Display	Title/Parts	Key Advantages
QV  PDF	Accurate I²C RTC with Integrated TCXO/Crystal/FRAM DS32B35, DS32C35	Nonvolatile Memory Has No Backup Supply and No Write Cycle Limits
QV  PDF	Low-Voltage SPI/3-Wire RTCs with Trickle Charger DS1390, DS1391, DS1392, DS1393, DS1394	Low-Voltage SPI/3-Wire RTCs with Trickle Charger have the Broadest Feature Set and the Smallest Footprint in Their Class
QV  PDF	I²C RTC with Trickle Charger DS1340, DS1340C	I²C Real-Time Clock with Trickle Charger Offers Software Clock Calibration
QV  PDF	I²C RTC with 56-Byte NV RAM DS1338, DS1338C, DS1338U, DS1338Z
QV  PDF	I²C Serial Real-Time Clock DS1339, DS1339C, DS1339U	RTC Provides System Flexibility with Multiple Programmable Features
QV  PDF	I²C Serial Real-Time Clock DS1337, DS1337C	Industry's Smallest I²C RTC with Two Time-of-Day Alarms
QV  PDF	3-Wire Serial RTC in a TDFN MAX6901
QV  PDF	SPI-Compatible RTC in a TDFN MAX6902