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
RTC-8564JE:B0 ROHS IC RTC CLK/CALENDAR I2C 20VSOJ EPSON	1,183	-	RFQ	Datasheet	RTC-8564JE	20-LSSOJ (0.213", 5.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Y2K	-	HH:MM:SS	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	-	0.7µA ~ 0.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	20-VSOJ
DS1337S+ IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	1,157	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
RX8900CE:UA0 IC RTC CLK/CALENDAR I2C 10SMD EPSON	196	-	RFQ	Datasheet	RX8900CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C	2.5V ~ 5.5V	1.6V ~ 5.5V	1.4µA ~ 1.5µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	10-SMD
DS1302SN+ IC RTC CLK/CALENDAR SER 8SOIC Analog Devices Inc./Maxim Integrated	4,437	-	RFQ	Datasheet	-	8-SOIC (0.209", 5.30mm Width)	Tube	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Trickle-Charger	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2V ~ 5.5V	2V ~ 5.5V	0.3µA ~ 1µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1347T+T&R IC RTC CLK/CALENDAR SPI 8TDFN Analog Devices Inc./Maxim Integrated	2,188	-	RFQ	Datasheet	-	8-WDFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, SRAM	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	-	0.7µA ~ 0.8µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-TDFN (3x3)
RX8901CE XS B06 IC RTC CLK/CALENDAR I2C 10SMD EPSON	1,575	-	RFQ	Datasheet	RX8901CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	1.5µA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	-	-	10-SMD
MAX31328NELB+ IC RTC CLK/CALENDAR I2C 10LGA Analog Devices Inc./Maxim Integrated	3,313	-	RFQ	Datasheet	-	10-LLGA	Tray	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD	I2C	2.3V ~ 5.5V	2.3V ~ 5.5V	3µA ~ 3.5µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-LGA (5x5)
DS1394U-33+T&R IC RTC CLK/CALENDAR SPI 10UMAX Analog Devices Inc./Maxim Integrated	6,158	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
DS1338Z-3+T&R IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	5,292	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.3V ~ 3.7V	200µA @ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
RX-4045SAAA3 PURE SN IC RTC CLK/CALENDAR SPI 14SOP EPSON	4,321	-	RFQ	Datasheet	RX-4045SA	14-SOIC (0.197", 5.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.7V ~ 5.5V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	14-SOP
ISL12022IBZ-T7A IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	300	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, SRAM	128B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.8V ~ 5.5V	14µA ~ 15µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
ECS-RTC-3225-5699HS-TR IC RTC CLK/CALENDAR I2C 10SMD ECS Inc.	457	-	RFQ	Datasheet	-	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	-	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5V, 2.5V ~ 5V	1.6V ~ 5V	0.5µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	10-SMD
DS1308U-33+T IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	6,990	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3V ~ 5.5V	1.3V ~ 5.5V	125µA ~ 200µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
RX-8571LC:B3 PURE SN IC RTC CLK/CALENDAR I2C 12VSOJ EPSON	4,603	-	RFQ	Datasheet	RX-8571LC	12-TFSOJ (0.094", 2.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, RAM	16B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.6V ~ 5.5V	-	0.55µA ~ 0.6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
DS1339U-3+T&R IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	12,051	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.3V ~ 3.7V	150µA @ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
MAX31343ETAY+ ACCURATE/ROBUST RTC WITH INTEGRA Analog Devices Inc./Maxim Integrated	868	-	RFQ	Datasheet	-	8-VFBGA, WLBGA	Tray	Active	-	Clock/Calendar	Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger	64B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, Serial	1.6V ~ 5.5V	1.6V ~ 5.5V	1.2µA ~ 2µA @ 1.6V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	-	-	8-WLP (2.07x2.27)
RX4901CE XS C06 IC RTC CLK/CALENDAR SPI 10SMD EPSON	598	-	RFQ	Datasheet	RX4901CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	SPI, 4-Wire Serial	1.6V ~ 5.5V	-	1.5µA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	-	-	10-SMD
DS1307N+ IC RTC CLOCK/CALENDAR I2C 8DIP Analog Devices Inc./Maxim Integrated	407	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Tube	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5V ~ 5.5V	2V ~ 3.5V	200µA @ 5V	-40°C ~ 85°C	Through Hole	-	-	8-PDIP
DS1338Z-3+ IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	2,406	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.3V ~ 3.7V	200µA @ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1302N+ IC RTC CLK/CALENDAR SER 8DIP Analog Devices Inc./Maxim Integrated	399	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Tube	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Trickle-Charger	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2V ~ 5.5V	2V ~ 5.5V	0.3µA ~ 1µA @ 2V ~ 5V	-40°C ~ 85°C	Through Hole	-	-	8-PDIP

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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