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
M41T62LC6F IC RTC CLK/CALENDAR I2C 8LCC STMicroelectronics	6,191	6.24000	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3V ~ 4.4V	-	0.7µA ~ 0.95µA @ 1.3V ~ 4.4V	-40°C ~ 85°C	Surface Mount	8-LCC	8-LCC (1.5x3.2)	Details
BQ3285LSS IC REAL TIME CLOCK 24-QSOP Texas Instruments	148	2.67000	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.6V	2.4V ~ 4V	-	-	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-SSOP	Details
DS12885QN+T&R IC RTC CLK/CALENDAR PAR 28-PLCC Analog Devices Inc./Maxim Integrated	1,048	6.66500	Active	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-LCC (J-Lead)	28-PLCC (11.51x11.51)	Details
MAX6916EO33+ IC RTC SPI COMPAT 20-QSOP Analog Devices Inc./Maxim Integrated	9,118	5.22000	Obsolete	Clock/Calendar/Supervisor	-	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI, 3-Wire Serial	3V ~ 3.6V	-	-	-	Surface Mount	20-SSOP (0.154", 3.90mm Width)	20-QSOP	Details
MCP79510T-I/MS IC RTC CLK/CALENDAR SPI 10-MSOP Microchip Technology	9,949	1.30000	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 3.6V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP	Details
DS1339U-3+ IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	9,395	4.96000	Active	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-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
ISL1208IU8Z-T7A IC RTC CLK/CALENDAR I2C 8-MSOP Renesas Electronics America Inc	9,537	5.56000	Active	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-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP	Details
MCP7940M-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	6,423	0.72000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	-	1µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP	Details
MCP795W12T-I/ST IC RTC CLK/CALENDAR SPI 14-TSSOP Microchip Technology	4,404	1.90500	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 5.5V	-40°C ~ 85°C	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP	Details
DS1685Q-3 IC RTC 3V 64-BIT Y2KC 28-PLCC Analog Devices Inc./Maxim Integrated	3,513	3.78000	Obsolete	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	28-LCC (J-Lead)	28-PLCC (11.51x11.51)	Details
M41T94MH6F IC RTC CLK/CALENDAR SPI 28-SOIC STMicroelectronics	1,872	8.27000	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer	44B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.7V ~ 5.5V	2.5V ~ 3.5V	1.4mA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH	Details
DS1673E-3+ IC RTC SYSTEM CTRLR SER 20-TSSOP Analog Devices Inc./Maxim Integrated	2,158	11.66000	Active	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7V ~ 3.3V	2.5V ~ 3.7V	100µA @ 3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP	Details
DS1670E+T&R IC RTC SYSTEM CTRLR SER 20-TSSOP Analog Devices Inc./Maxim Integrated	9,087	6.31500	Active	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97V ~ 3.63V	2.5V ~ 3.7V	100µA @ 3.3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP	Details
DS12885SN IC RTC CLK/CALENDAR PAR 24-SOIC Analog Devices Inc./Maxim Integrated	962	4.93000	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	24-SOIC (0.295", 7.50mm Width)	24-SOIC	Details
DS1339U-3+T&R IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	5,316	2.43000	Active	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-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
DS1302Z+ IC RTC CLK/CALENDAR SER 8-SOIC Analog Devices Inc./Maxim Integrated	8,682	4.72000	Active	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	0°C ~ 70°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
CDP68HC68T1M2Z IC RTC CLK/CALENDAR SPI 16-SOIC Renesas Electronics America Inc	7,832	19.14000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	32B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	3V ~ 6V	2.2V ~ 6V	20µA ~ 500µA @ 5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
DS1393U-33+ IC RTC CLK/CALENDAR SER 10-USOP Analog Devices Inc./Maxim Integrated	1,606	3.43200	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX/uSOP	Details
DS1673S-5+T&R IC RTC SYSTEM CTRLR SER 20-SOIC Analog Devices Inc./Maxim Integrated	6,837	6.88500	Active	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	4.5V ~ 5.5V	2.5V ~ 3.7V	300µA @ 5V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	Details
DS1557WP-120+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	4,227	43.07000	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	3V	4mA @ 3.3V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
DS1371U+T&R IC RTC BINARY CNT I2C 8-USOP Analog Devices Inc./Maxim Integrated	6,580	3.44000	Active	Binary Counter	Alarm, Square Wave Output, Watchdog Timer	-	Binary	Binary	I²C, 2-Wire Serial	1.7V ~ 5.5V	-	1.3µA @ 1.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
DS1342U+ IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	450	3.68000	Active	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 ~ 0.7µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
BQ4802YDWR IC RTC CLK/CALENDAR PAR 28-SOIC Texas Instruments	810	17.53000	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.4V ~ 4V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC	Details
DS12887A+ IC RTC CLK/CALENDAR PAR 24-EDIP Analog Devices Inc./Maxim Integrated	5,008	11.15000	Active	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	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP	Details

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Clock/Timing - Real Time Clocks

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