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
DS1501YZ+T&R IC RTC CLK/CALENDAR PAR 28SOIC Analog Devices Inc./Maxim Integrated	3,245	-	RFQ	Datasheet	-	28-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	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-SOIC
RTC-7301SF:B3 ROHS IC RTC CLK/CALENDAR PAR 24SSOP EPSON	4,382	-	RFQ	Datasheet	-	24-SOP (0.213", 5.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.4V ~ 5.5V	-	1µA ~ 2µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	24-SSOP
M48T201V-85MH1E IC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics	3,179	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	3V	2mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	-	-	44-SOH
M48T201Y-70MH1E IC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics	1,746	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	3V	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	44-SOH
DS1615 IC RTC TEMP RECORDER SER 16DIP Analog Devices Inc./Maxim Integrated	2,194	-	RFQ	Datasheet	-	16-DIP (0.300", 7.62mm)	Tube	Obsolete	Not Verified	Temperature Recorder	Alarm, Leap Year, Unique ID, Y2K	32B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	4V ~ 5.5V	2.7V ~ 4.95V	0.5µA @ 5V	-40°C ~ 85°C	Through Hole	-	-	16-PDIP
DS1384FP-12+ IC RTC CLK/CALENDAR PAR 44MQFP Analog Devices Inc./Maxim Integrated	4,734	-	RFQ	Datasheet	-	44-QFP	Bag	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	50B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.4V ~ 4V	3mA @ 5V	0°C ~ 70°C	Surface Mount	-	-	44-MQFP (10x10)
DS32C35-33# IC RTC CLK/CALENDAR I2C 20SOIC Analog Devices Inc./Maxim Integrated	4,087	-	RFQ	Datasheet	-	20-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal	8KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 3.63V	2.3V ~ 3.6V	110µA @ 3.63V	0°C ~ 70°C	Surface Mount	-	-	20-SOIC
DS32C35-33IND# IC RTC CLK/CALENDAR I2C 20SOIC Analog Devices Inc./Maxim Integrated	1,233	-	RFQ	Datasheet	-	20-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal	8KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 3.63V	2.3V ~ 3.6V	110µA @ 3.63V	-40°C ~ 85°C	Surface Mount	-	-	20-SOIC
DS1315EN-5 IC RTC PHANTOM CHIP PAR 20TSSOP Analog Devices Inc./Maxim Integrated	4,906	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	Not Verified	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	1.3mA @ 5V	-40°C ~ 85°C	Surface Mount	-	-	20-TSSOP
DS1315SN-33 IC RTC PHANTOM CHIP PAR 16SOIC Analog Devices Inc./Maxim Integrated	3,833	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	2.5V ~ 3.7V	1.1mA @ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	16-SOIC
M48T212V-85MH1F IC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics	3,445	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	3V	2mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	-	-	44-SOH
DS17485S-3+ IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	4,728	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	4KB	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	Surface Mount	-	-	24-SOIC
M48T59Y-70MH6E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	4,307	-	RFQ	Datasheet	Timekeeper®	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	3mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	28-SOH
M41T256YMT7F IC RTC CLK/CALENDAR I2C 44SOH STMicroelectronics	2,349	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Leap Year, NVSRAM	32KB	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5V ~ 5.5V	2.5V ~ 3.5V	2.5mA @ 4.5V ~ 5.5V	-25°C ~ 70°C	Surface Mount	-	-	44-SOH
DS1501YZN+T&R IC RTC CLK/CALENDAR PAR 28SOIC Analog Devices Inc./Maxim Integrated	1,824	-	RFQ	Datasheet	-	28-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	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	-40°C ~ 85°C	Surface Mount	-	-	28-SOIC
DS17485S-5+T&R IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,076	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	4KB	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	-	-	24-SOIC
M41T256YMH7F IC RTC CLK/CALENDAR I2C 44SOH STMicroelectronics	2,906	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Leap Year, NVSRAM	32KB	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5V ~ 5.5V	2.5V ~ 3.5V	2.5mA @ 4.5V ~ 5.5V	-25°C ~ 70°C	Surface Mount	-	-	44-SOH
COM-10079 REAL TIME CLOCK - DS3234 SparkFun Electronics	2,305	-	RFQ	Datasheet	-	20-SOIC (0.295", 7.50mm Width)	Bulk	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	256B	HH:MM:SS (12/24 hr)	YY-MM-DD	SPI	2V ~ 5.5V	2V ~ 3.8V	120µA ~ 160µA @ 3.63V ~ 5.5V	0°C ~ 70°C (TA)	Surface Mount	-	-	20-SOIC
DS1501WZ+ IC RTC CLK/CALENDAR PAR 28SOIC Analog Devices Inc./Maxim Integrated	1,808	-	RFQ	Datasheet	-	28-SOIC (0.295", 7.50mm Width)	Tube	Active	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	Surface Mount	-	-	28-SOIC
RX-4803LC:AA3 PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	1,126	-	RFQ	Datasheet	RX-4803LC	12-TFSOJ (0.094", 2.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	SPI	1.6V ~ 5.5V	-	2.1µA ~ 3.4µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ

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