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-8564NBB0 ROHS IC RTC CLK/CALENDAR I2C 22SON EPSON	1,947	-	RFQ	Datasheet	RTC-8564NB	22-SMD, 20 Leads, Flat Leads	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	-	-	22-SON
RX8804CE XA0 IC RTC CLK/CALENDAR I2C 10SMD EPSON	2,081	-	RFQ	Datasheet	RX8804CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Watchdog Timer	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	1.5V ~ 5.5V	1.5µA ~ 1.6µA @ 3V ~ 5V	-40°C ~ 105°C (TA)	Surface Mount	-	-	10-SMD
M41T93SMY6E IC RTC CLK/CALENDAR SPI 18SOX STMicroelectronics	3,566	-	RFQ	Datasheet	-	18-SOX, 18-SOIC with Crystal (7.5mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	3V ~ 5.5V	1.8V ~ 5.5V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	18-SOX
M41T93ZMY6E IC RTC CLK/CALENDAR SPI 18SOX STMicroelectronics	2,588	-	RFQ	Datasheet	-	18-SOX, 18-SOIC with Crystal (7.5mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.38V ~ 5.5V	1.8V ~ 5.5V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	18-SOX
RX-4803LCUB0 PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	1,240	-	RFQ	Datasheet	-	-	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ISL12022IBZ-T IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	1,437	-	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
DS1685-5 IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	2,468	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	3mA @ 5V	0°C ~ 70°C	Through Hole	-	-	24-PDIP
DS1685-3 IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	3,027	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Obsolete	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	Through Hole	-	-	24-PDIP
BQ3285S-SB2TRG4 IC RTC CLK/CALENDAR PAR 24SOIC Texas Instruments	2,732	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	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	-	0°C ~ 70°C	Surface Mount	-	-	24-SOIC
ISL12024IBZ IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	3,579	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	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
DS1305EN IC RTC CLK/CALENDAR SPI 20TSSOP Analog Devices Inc./Maxim Integrated	4,701	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	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	Surface Mount	-	-	20-TSSOP
DS1305N IC RTC CLK/CALENDAR SPI 16DIP Analog Devices Inc./Maxim Integrated	3,768	-	RFQ	Datasheet	-	16-DIP (0.300", 7.62mm)	Tube	Obsolete	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
M48T86MH1E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	3,739	-	RFQ	Datasheet	-	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	15mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	28-SOH
RX-8803LCUC0 PURE SN IC RTC CLK/CALENDAR I2C 12VSOJ EPSON	2,390	-	RFQ	Datasheet	-	-	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
DS1339U-2+T&R IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	3,733	-	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	1.8V ~ 5.5V	1.3V ~ 3.7V	100µA @ 2.2V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
RX4111CE BB IC RTC CLK/CALENDAR SPI 10SMD EPSON	2,495	-	RFQ	Datasheet	RX4111CE	10-SMD, No Lead	Bulk	Active	Not Verified	Clock/Calendar	Alarm, RAM	-	HH:MM:SS	YY-MM-DD	SPI, 4-Wire Serial	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SMD
M41T56C64MY6E IC RTC CLK/CALENDAR I2C 18SOX STMicroelectronics	4,276	-	RFQ	Datasheet	-	18-SOX, 18-SOIC with Crystal (7.5mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	EEPROM, Leap Year, NVSRAM	56B, 8KB	HH:MM:SS	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5V ~ 5.5V	2.5V ~ 3.5V	100µA (Typ) @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	18-SOX
RX-8731LC:B3 IC RTC CLK/CALENDAR I2C 12VSOJ EPSON	4,898	-	RFQ	Datasheet	RX-8731LC	12-TFSOJ (0.094", 2.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Unique ID	80b	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C	1.7V ~ 5.5V	-	1.4µA ~ 1.5µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
DS1685S-3 IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	2,659	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	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
RX8111CE AB IC RTC CLK/CALENDAR I2C 10SMD EPSON	1,604	-	RFQ	Datasheet	RX8111CE	10-SMD, No Lead	Bulk	Active	Not Verified	Clock/Calendar	Alarm, RAM	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SMD

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