Type is Portable System Controller - Clock/Timing - Real Time Clocks Distributor - DS1670E DS1670S DS1673S-3

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
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
DS1673S-3	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	2.7 V ~ 3.3 V	2.5 V ~ 3.7 V	100µA @ 3V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC