Clock/Timing - Real Time Clocks

Mfr Part #	Qty	Price	Product Status	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
DS1678S/T&R IC RTC EVENT REC I2C 8-SOIC Analog Devices Inc./Maxim Integrated	7,044	3.41250	Obsolete	Time Event Recorder	Alarm, Leap Year, NVSRAM, Y2K	32B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	4.5V ~ 5.5V	2.6V ~ 3.5V	-	-40°C ~ 85°C	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SOIC	Details
BQ4847MT IC RTC CLK/CALENDAR PAR 28-DIP Texas Instruments	2,514	0.00000	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.75V ~ 5.25V	2.3V ~ 4V	-	0°C ~ 70°C	Through Hole	28-DIP Module (0.61", 15.49mm)	28-DIP Module	Details
DS1558W IC RTC CLK/CALENDAR PAR 48-LQFP Analog Devices Inc./Maxim Integrated	2,227	0.00000	Obsolete	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	2.5V ~ 3.7V	2mA @ 3.3V	-40°C ~ 85°C	Surface Mount	48-LQFP	48-LQFP (7x7)	Details
DS1244W-120 IC RTC PHANTOM PARALLEL 28EDIP Analog Devices Inc./Maxim Integrated	9,061	24.12417	Obsolete	Phantom Time Chip	Leap Year, NVSRAM	32KB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	-	7mA @ 3.3V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP	Details
DS1687-5 IC RTC CLK/CALENDAR PAR 24-EDIP Analog Devices Inc./Maxim Integrated	8,784	0.00000	Obsolete	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-DIP Module (0.600", 15.24mm)	24-EDIP	Details
X1227S8I-2.7AT2 IC RTC CLK/CALENDAR I2C 8-SOIC Renesas Electronics America Inc	3,750	4.35916	Obsolete	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	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1647-120+ IC RTC CLK/CALENDAR PAR 32-EDIP Analog Devices Inc./Maxim Integrated	2,700	0.00000	Obsolete	Clock/Calendar	Leap Year, NVSRAM	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	4mA @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP	Details
DS1553WP-150+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	5,802	17.14300	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	3V	2mA @ 3.3V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
NJU6355ED IC RTC CLK/CALENDAR SER 8-DIP Nisshinbo Micro Devices Inc.	1,769	0.94804	Obsolete	Clock/Calendar	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	4-Wire Serial	4.5V ~ 5.5V	-	4µA ~ 15µA @ 2V ~ 5V	-30°C ~ 80°C	Through Hole	8-DIP (0.300", 7.62mm)	8-DIP	Details
DS1501WEN+ IC RTC CLK/CALENDAR PAR 28-TSOP Analog Devices Inc./Maxim Integrated	6,055	12.24231	Obsolete	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-TSSOP (0.465", 11.80mm Width)	28-TSOP	Details
ISL12029IBAZ-T IC RTC CLK/CALENDAR I2C 14-SOIC Renesas Electronics America Inc	7,741	0.00000	Obsolete	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 ~ 5.5V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.154", 3.90mm Width)	14-SOIC	Details
DS1500WE+ IC RTC CLK/CALENDAR PAR 32-TSOP Analog Devices Inc./Maxim Integrated	7,467	0.00000	Obsolete	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	32-LFSOP (0.724", 18.40mm Width)	32-TSOP	Details
DS12885TN IC RTC CLK/CALENDAR PAR 32-TQFP Analog Devices Inc./Maxim Integrated	2,906	5.72500	Obsolete	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	32-TQFP	32-TQFP (7x7)	Details
DS1643-70+ IC RTC CLK/CALENDAR PAR 28-EDIP Analog Devices Inc./Maxim Integrated	5,900	16.47833	Obsolete	Clock/Calendar	Leap Year, NVSRAM	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	3mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP	Details
X1228V14IZ-2.7A IC RTC CLK/CALENDAR I2C 14-TSSOP Renesas Electronics America Inc	3,391	0.00000	Obsolete	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	-40°C ~ 85°C	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP	Details
DS1501YN IC RTC CLK/CALENDAR PAR 28DIP Analog Devices Inc./Maxim Integrated	8,393	5.36328	Obsolete	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	Through Hole	28-DIP (0.600", 15.24mm)	28-PDIP	Details
DS1337S+C01 IC RTC CLK/CALENDAR I2C 8-SOIC Analog Devices Inc./Maxim Integrated	4,219	1.21518	Obsolete	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 (0.154", 3.90mm Width)	8-SOIC	Details
DS17485-3 IC RTC CLK/CALENDAR PAR 24-DIP Analog Devices Inc./Maxim Integrated	3,693	5.70000	Obsolete	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-DIP (0.600", 15.24mm)	24-PDIP	Details
RV-3149-C3-32.768KHZ-OPTION-B-TB-QC IC RTC CLK/CALENDAR SPI 10SON Micro Crystal AG	7,222	0.00000	Active	Clock/Calendar	Alarm, EEPROM, RAM, Trickle Charger	2B, 8B	HH:MM:SS	YY-MM-DD-dd	SPI, 4-Wire Serial	1.3V ~ 5.5V, 2.1V ~ 5.5V	-	1µA @ 3V	-40°C ~ 125°C	Surface Mount	10-VCDFN	10-SON (3.7x2.5)	Details
DS1743-100+ IC RTC CLK/CALENDAR PAR 28-EDIP Analog Devices Inc./Maxim Integrated	2,592	0.00000	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	3mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP	Details
DS1746-70IND IC RTC CLK/CALENDAR PAR 32-EDIP Analog Devices Inc./Maxim Integrated	5,922	27.58000	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	4mA @ 5V	-40°C ~ 85°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP	Details
DS2415P/T&R IC TIME CHIP 1-WIRE 6-TSOC Analog Devices Inc./Maxim Integrated	2,372	1.31250	Obsolete	Real Time Clock (RTC)	-	-	Binary	Binary	1-Wire® Serial	3V, 3.3V, 5V	-	-	-40°C ~ 85°C	Surface Mount	6-SMD, J-Lead	6-TSOC	Details
ISL1208IB8ZR5291 IC RTC CLK/CALENDAR I2C 8-SOIC Renesas Electronics America Inc	2,949	0.00000	Obsolete	Clock/Calendar	Alarm, Leap Year, SRAM	2B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7V ~ 5.5V	1.8V ~ 5.5V	4µA ~ 6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS17487-3 IC RTC CLK/CALENDAR PAR 24-EDIP Analog Devices Inc./Maxim Integrated	6,323	11.51571	Obsolete	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-DIP Module (0.600", 15.24mm)	24-EDIP	Details

Clock/Timing - Real Time Clocks

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