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
RX-4803LC:UC3 PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	3,207	-	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
DS17487-5 IC RTC CLK/CALENDAR PAR 24EDIP Analog Devices Inc./Maxim Integrated	3,657	-	RFQ	Datasheet	-	24-DIP Module (0.600", 15.24mm)	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	4.5V ~ 5.5V	2.5V ~ 3.7V	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	-	-	24-EDIP
DS17487-3 IC RTC CLK/CALENDAR PAR 24EDIP Analog Devices Inc./Maxim Integrated	3,663	-	RFQ	Datasheet	-	24-DIP Module (0.600", 15.24mm)	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	Through Hole	-	-	24-EDIP
RX-4803LC:UA3 PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	2,347	-	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-4803LC:AAB PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	3,747	-	RFQ	Datasheet	RX-4803LC	12-TFSOJ (0.094", 2.40mm Width)	Strip	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-4803LC:UCB PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	2,692	-	RFQ	Datasheet	RX-4803LC	12-TFSOJ (0.094", 2.40mm Width)	Strip	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
M48T35AV-10MH1E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	1,221	-	RFQ	Datasheet	Timekeeper®	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tube	Obsolete	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	Surface Mount	-	-	28-SOH
DP8573AN IC RTC CLK/CALENDAR PAR 24DIP Texas Instruments	1,030	-	RFQ	Datasheet	-	24-DIP (0.300", 7.62mm)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.2V ~ 5.1V	1µA @ 5V	-40°C ~ 85°C	Through Hole	-	-	24-DIP
M48T12-200PC1 IC RTC CLK/CALENDAR PAR 24DIP STMicroelectronics	4,488	-	RFQ	Datasheet	Timekeeper®	24-DIP Module (0.600", 15.24mm)	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	Through Hole	-	-	24-PCDIP, CAPHAT®
M48T35AV-10MH6E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	2,352	-	RFQ	Datasheet	Timekeeper®	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tube	Obsolete	Not Verified	Clock/Calendar	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	-	2mA @ 3V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	28-SOH
M48T35Y-70MH6E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	1,293	-	RFQ	Datasheet	Timekeeper®	28-SOP (0.350", 8.89mm 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	-	2mA @ 4.75V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	28-SOH
RX-4803LC:UA PURE SN IC RTC CLK/CALENDAR SPI 12VSOJ EPSON	2,413	-	RFQ	Datasheet	RX-4803LC	12-TFSOJ (0.094", 2.40mm Width)	Strip	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-8803LC:UA PURE SN IC RTC CLK/CALENDAR I2C 12VSOJ EPSON	3,183	-	RFQ	Datasheet	RX-8803LC	12-TFSOJ (0.094", 2.40mm Width)	Bulk	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
DS1501WEN+ IC RTC CLK/CALENDAR PAR 28TSOP Analog Devices Inc./Maxim Integrated	3,679	-	RFQ	Datasheet	-	28-TSSOP (0.465", 11.80mm Width)	Tray	Obsolete	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	-40°C ~ 85°C	Surface Mount	-	-	28-TSOP
M48T35Y-70MH1E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	3,845	-	RFQ	Datasheet	Timekeeper®	28-SOP (0.350", 8.89mm 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	-	2mA @ 4.75V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	28-SOH
DS1743P-100 IC RTC CLK/CALENDAR PAR 34PCM Analog Devices Inc./Maxim Integrated	3,189	-	RFQ	Datasheet	-	34-PowerCap™ Module	Tube	Obsolete	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	3V	3mA @ 5V	0°C ~ 70°C	Surface Mount	-	-	34-PowerCap Module
M48T37V-10MH6E IC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics	3,410	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	-	2mA @ 3V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	44-SOH
M48T37Y-70MH6E IC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics	2,485	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	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	-	-	44-SOH
M48T59Y-70MH1F IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	1,193	-	RFQ	Datasheet	Timekeeper®	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tape & Reel (TR)	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
DP8573AVX/NOPB IC RTC CLK/CALENDAR PAR 28PLCC Texas Instruments	1,510	-	RFQ	Datasheet	-	28-LCC (J-Lead)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.2V ~ 5.1V	1µA @ 5V	-40°C ~ 85°C	Surface Mount	-	-	28-PLCC (11.51x11.51)

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