Real Time Clocks

Mfr. Part #	Availability	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Programmable	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Grade	Qualification	Supplier Device Package
DS1343D-18+T&R IC RTC CLK/CALENDAR SPI 14TDFN Analog Devices Inc./Maxim Integrated	2,200	RFQ	Datasheet	-	14-WFDFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	14-TDFN (3x3)
DS1673E-3 IC RTC SYST CTRLR SER 20TSSOP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	Not Verified	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7V ~ 3.3V	2.5V ~ 3.7V	100µA @ 3V	0°C ~ 70°C	Surface Mount	-	-	20-TSSOP
DS1673E-5 IC RTC SYST CTRLR SER 20TSSOP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	Not Verified	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	4.5V ~ 5.5V	2.5V ~ 3.7V	300µA @ 5V	0°C ~ 70°C	Surface Mount	-	-	20-TSSOP
DS1677E IC RTC SYST CTRLR SER 20TSSOP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	Not Verified	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	4.5V ~ 5.5V	2.5V ~ 3.7V	300µA @ 5V	0°C ~ 70°C	Surface Mount	-	-	20-TSSOP
DS1673S-3 IC RTC SYST CTRLR SER 20SOIC Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	20-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7V ~ 3.3V	2.5V ~ 3.7V	100µA @ 3V	0°C ~ 70°C	Surface Mount	-	-	20-SOIC
DS1501W+ IC RTC CLK/CALENDAR PAR 28DIP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	28-DIP (0.600", 15.24mm)	Bulk	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	2.5V ~ 3.7V	4mA @ 3V ~ 3.6V	0°C ~ 70°C	Through Hole	-	-	28-PDIP
DS1343E-18+T&R IC RTC CLK/CALENDAR SPI 20TSSOP Analog Devices Inc./Maxim Integrated	2,336	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	20-TSSOP
BQ4802YDSH IC RTC CLK/CALENDAR PAR 28SOP Texas Instruments	0	RFQ	Datasheet	-	28-SOIC (0.345", 8.77mm Width) with SNAPHAT Sockets	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.4V ~ 4V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Surface Mount	-	-	28-SOP
UPD4991AGS-A RTC, VOLATILE, 1 TIMER(S) PDSO Renesas Electronics Corporation	9,671	RFQ	Datasheet	*	-	Bulk	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ISL12024IBZ-T IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	1,455	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Unique ID	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.8V ~ 5.5V	10µA ~ 20µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1501WN+ IC RTC CLK/CALENDAR PAR 28DIP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	28-DIP (0.600", 15.24mm)	Bulk	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	2.5V ~ 3.7V	4mA @ 3V ~ 3.6V	-40°C ~ 85°C	Through Hole	-	-	28-PDIP
DS12885T IC RTC CLK/CALENDAR PAR 32TQFP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	32-TQFP	Tray	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 4V	15mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	32-TQFP (7x7)
DS17485S-5/T&R/C01 DS17485 REAL-TIME CLOCK Analog Devices Inc./Maxim Integrated	12,000	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Bulk	Active	-	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	4KB	HH:MM:SS (12/24 hr)	YY-MM-DD	Parallel	2.7V ~ 3.7V, 4.5V ~ 5.5V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	0°C ~ 70°C (TA)	Surface Mount	-	-	24-SOIC
DS1344D-18+T&R IC RTC CLK/CALENDAR SPI 14TDFN Analog Devices Inc./Maxim Integrated	608	RFQ	Datasheet	-	14-WFDFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	14-TDFN (3x3)
DS1501YE IC RTC CLK/CALENDAR PAR 28TSOP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	28-TSSOP (0.465", 11.80mm Width)	Bag	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	5mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	28-TSOP
M41T315V-85MH6F IC RTC PHANTOM CHIP SER 28SOH STMicroelectronics	175	RFQ	Datasheet	-	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tape & Reel (TR)	Obsolete	Not Verified	Phantom Time Chip	Leap Year, Supervisor	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Serial	3V ~ 3.6V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	28-SOH
DS1501YE+ IC RTC CLK/CALENDAR PAR 28TSOP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	28-TSSOP (0.465", 11.80mm Width)	Bulk	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	5mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	28-TSOP
DS1688 IC RTC CLK/CALENDAR PAR 28DIP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	28-DIP (0.600", 15.24mm)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Unique ID	114B	HH:MM:SS (12/24 hr)	YY-MM-DD	Parallel	2.7V ~ 3.3V, 4.5V ~ 5.5V	-	-	0°C ~ 70°C	Through Hole	-	-	28-PDIP
DS1689 IC RTC CLK/CALENDAR PAR 28DIP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	28-DIP (0.600", 15.24mm)	Tube	Obsolete	Not Verified	Clock/Calendar	NVSRAM	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.3V, 4.5V ~ 5.5V	2.5V ~ 3.7V	2mA @ 3V, 3mA @ 5V	0°C ~ 70°C	Through Hole	-	-	28-PDIP
DS17285E-5 IC RTC CLK/CALENDAR PAR 28TSOP Analog Devices Inc./Maxim Integrated	0	RFQ	Datasheet	-	28-TSSOP (0.465", 11.80mm Width)	Bag	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	28-TSOP

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Real Time Clocks Electronic Components

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