Real Time Clocks

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Mfr. Part #	Availability	Price	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
MCP79411-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	3,843	-	RFQ	Datasheet	-	8-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	1.3V ~ 5.5V	1.2µA @ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	8-TSSOP
MCP79521-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology	3,458	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	10-MSOP
DS1685S-3+ IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,783	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 3V	0°C ~ 70°C	Surface Mount	-	-	24-SOIC
DS1305N+ IC RTC CLK/CALENDAR SPI 16DIP Analog Devices Inc./Maxim Integrated	1,427	-	RFQ	Datasheet	-	16-DIP (0.300", 7.62mm)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Trickle-Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	2V ~ 5.5V	25.3µA ~ 81µA @ 2V ~ 5V	-40°C ~ 85°C	Through Hole	-	-	16-PDIP
DS12885N+ IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	2,802	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Active	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	-40°C ~ 85°C	Through Hole	-	-	24-PDIP
DS1685EN-3+ IC RTC CLK/CALENDAR PAR 24TSSOP Analog Devices Inc./Maxim Integrated	2,439	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	24-TSSOP
DS12885SN+ IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,607	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Active	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	-40°C ~ 85°C	Surface Mount	-	-	24-SOIC
M48T35AV-10PC1 IC RTC CLK/CALENDAR PAR 28DIP STMicroelectronics	3,987	-	RFQ	Datasheet	Timekeeper®	28-DIP Module (0.600", 15.24mm)	Tube	Active	Not Verified	Clock/Calendar	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	-	2mA @ 3V ~ 3.6V	0°C ~ 70°C	Through Hole	-	-	28-PCDIP, CAPHAT®
DS17287-3+ IC RTC CLK/CALENDAR PAR 24EDIP Analog Devices Inc./Maxim Integrated	2,659	-	RFQ	Datasheet	-	24-DIP Module (0.600", 15.24mm)	Tube	Active	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	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	0°C ~ 70°C	Through Hole	-	-	24-EDIP
DS17887-5+ IC RTC CLK/CALENDAR PAR 24EDIP Analog Devices Inc./Maxim Integrated	1,873	-	RFQ	Datasheet	-	24-DIP Module (0.600", 15.24mm)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	8KB	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	Through Hole	-	-	24-EDIP
DS1554-70IND+ IC RTC CLK/CALENDAR PAR 32EDIP Analog Devices Inc./Maxim Integrated	3,986	-	RFQ	Datasheet	-	32-DIP Module (0.600", 15.24mm)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	6mA @ 5V	-40°C ~ 85°C	Through Hole	-	-	32-EDIP
DS1744WP-120+ IC RTC CLK/CALENDAR PAR 34PCM Analog Devices Inc./Maxim Integrated	2,792	-	RFQ	Datasheet	-	34-PowerCap™ Module	Tray	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	3V	2mA @ 3.3V	0°C ~ 70°C	Surface Mount	-	-	34-PowerCap Module
DS1248YP-70+ IC RTC PHANTOM CHIP PAR 34PCM Analog Devices Inc./Maxim Integrated	2,402	-	RFQ	Datasheet	-	34-PowerCap™ Module	Tray	Active	Not Verified	Phantom Time Chip	NVSRAM	128KB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	3V	10mA @ 5V	0°C ~ 70°C	Surface Mount	-	-	34-PowerCap Module
DS1556W-120+ IC RTC CLK/CALENDAR PAR 32EDIP Analog Devices Inc./Maxim Integrated	4,290	-	RFQ	Datasheet	-	32-DIP Module (0.600", 15.24mm)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	-	4mA @ 3.3V	0°C ~ 70°C	Through Hole	-	-	32-EDIP
DS1746W-120IND+ IC RTC CLK/CALENDAR PAR 32EDIP Analog Devices Inc./Maxim Integrated	2,337	-	RFQ	Datasheet	-	32-DIP Module (0.600", 15.24mm)	Tube	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	-	2mA @ 3.3V	-40°C ~ 85°C	Through Hole	-	-	32-EDIP
R2262L01-E2 IC RTC CLK/CALENDAR SER 18QFN Nisshinbo Micro Devices Inc.	100	-	RFQ	Datasheet	-	18-XFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, RAM, SRAM	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.63V ~ 5.5V	-	0.9µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	18-QFN (2x2)
ISL1209IU10Z IC RTC EVENT REC I2C 10MSOP Renesas Electronics Corporation	3,129	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tube	Active	Not Verified	Time Event Recorder	Alarm, Leap Year, SRAM	2B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.8V ~ 5.5V	4µA ~ 6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	10-MSOP
ISL12026IVZ IC RTC CLK/CALENDAR I2C 8TSSOP Renesas Electronics Corporation	1,043	-	RFQ	Datasheet	-	8-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year	-	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-TSSOP
DS1685SN-3+ IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,384	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	24-SOIC
DS12885QN+ IC RTC CLK/CALENDAR PAR 28PLCC Analog Devices Inc./Maxim Integrated	3,373	-	RFQ	Datasheet	-	28-LCC (J-Lead)	Tube	Active	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	-40°C ~ 85°C	Surface Mount	-	-	28-PLCC (11.51x11.51)

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