Current - Timekeeping (Max) is 100µA @ 3.3V - Clock/Timing - Real Time Clocks Distributor - BQ32000D BQ32000DR DS1670E

Part Number	Manufacturer / Brand	Brife Description	Part Status	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
BQ32000D	Texas Instruments	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Active	Clock/Calendar	Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3 V ~ 3.6 V	1.4 V ~ 3.6 V	100µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
BQ32000DR	Texas Instruments	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Active	Clock/Calendar	Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3 V ~ 3.6 V	1.4 V ~ 3.6 V	100µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1670E	Maxim Integrated	IC RTC SYSTEM Controller SER 20-TSSOP	Active	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97 V ~ 3.63 V	2.5 V ~ 3.7 V	100µA @ 3.3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1670S	Maxim Integrated	IC RTC SYSTEM Controller SER 20-SOIC	Obsolete	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97 V ~ 3.63 V	2.5 V ~ 3.7 V	100µA @ 3.3V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC