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
DS12885QN+T&R IC RTC CLK/CALENDAR PAR 28PLCC Analog Devices Inc./Maxim Integrated	3,746	-	RFQ	Datasheet	-	28-LCC (J-Lead)	Tape & Reel (TR)	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)
M48T58Y-70MH1E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	2,890	-	RFQ	Datasheet	Timekeeper®	28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets	Tube	Obsolete	Not Verified	Clock/Calendar	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	28-SOH
RX-4045NB:AAB IC RTC CLK/CALENDAR SER 22SON EPSON	2,212	-	RFQ	Datasheet	RX-4045NB	22-LFDFN	Strip	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	4-Wire Serial	1.7V ~ 5.5V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON (6.3x4.8)
RX-4045NB:AAB PURE SN IC RTC CLK/CALENDAR SER 22SON EPSON	1,391	-	RFQ	Datasheet	RX-4045NB	22-LFDFN	Strip	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	4-Wire Serial	1.7V ~ 5.5V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON (6.3x4.8)
RX-4045NBACB IC RTC CLK/CALENDAR SER 22SON EPSON	3,318	-	RFQ	Datasheet	RX-4045NB	22-SMD, 20 Leads, Flat Leads	Bulk	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	4-Wire Serial	1.7V ~ 5.5V	1.15V ~ 5.5V	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON (6.3x4.8)
RTT21064 XTAL OSC RTC 32.768KHZ SMD Raltron Electronics	3,417	-	RFQ	Datasheet	-	10-SMD, No Lead	Tape & Reel (TR)	Active	-	Clock/Calendar	Alarm, Leap Year, RAM	-	HH:MM:SS	YY-MM-DD	I2C	1.25V ~ 5.5V	1.2V ~ 5.5V	5µA ~ 7.8µA @ 1.2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-SMD
RX-8803LC:UC3 PURE SN IC RTC CLK/CALENDAR I2C 12VSOJ EPSON	2,134	-	RFQ	Datasheet	RX-8803LC	12-TFSOJ (0.094", 2.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	2.1µA ~ 3.4µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
RX-4803LC:UB3 PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	3,419	-	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
RX-8035LC:AA PURE SN IC RTC EVENT REC I2C 12VSOJ EPSON	1,692	-	RFQ	Datasheet	RX-8035LC	12-TFSOJ (0.094", 2.40mm Width)	Strip	Active	Not Verified	Time Event Recorder	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.4V ~ 5.5V	1V ~ 5.5V	2.5µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
DS17285S-3+T&R IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,206	-	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	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	Surface Mount	-	-	24-SOIC
DS17285S-5+T&R IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	3,954	-	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	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	-	-	24-SOIC
X1228S14Z-2.7T1 IC RTC CLK/CALENDAR I2C 14SOIC Renesas Electronics Corporation	3,151	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Supervisor, Watchdog Timer	-	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 ~ 5V	0°C ~ 70°C	Surface Mount	-	-	14-SOIC
RTC-8564NB:BB ROHS IC RTC CLK/CALENDAR I2C 22SON EPSON	2,894	-	RFQ	Datasheet	-	22-LFDFN	Strip	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	I2C	1.8V ~ 5.5V	-	0.7µA ~ 0.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON (6.3x4.8)
RX8804CE XAB IC RTC CLK/CALENDAR I2C 10SMD EPSON	4,017	-	RFQ	Datasheet	RX8804CE	10-SMD, No Lead	Bulk	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
M48T59Y-70MH1E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	2,406	-	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	0°C ~ 70°C	Surface Mount	-	-	28-SOH
DS17885-5 IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	2,978	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Obsolete	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-PDIP
DS1284QN+ IC RTC CLK/CALENDAR PAR 28PLCC Analog Devices Inc./Maxim Integrated	2,675	-	RFQ	Datasheet	-	28-LCC (J-Lead)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	50B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.4V ~ 3.5V	7mA @ 5V	-40°C ~ 85°C	Surface Mount	-	-	28-PLCC (11.51x11.51)
RX-4803SA:UA3 PURE SN IC RTC CLK/CALENDAR SPI 14SOP EPSON	3,438	-	RFQ	Datasheet	RX-4803SA	14-SOIC (0.197", 5.00mm 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	-	-	14-SOP
RX-8803SA:UA3 PURE SN IC RTC CLK/CALENDAR I2C 14SOP EPSON	4,168	-	RFQ	Datasheet	RX-8803SA	14-SOIC (0.197", 5.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	2.1µA ~ 3.4µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	14-SOP
DS17885-3 IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	1,525	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Obsolete	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	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	0°C ~ 70°C	Through Hole	-	-	24-PDIP

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