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
DS1673E-5 IC RTC SYSTEM CTRLR SER 20-TSSOP Analog Devices Inc./Maxim Integrated	2,037	5.75000	Obsolete	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-TSSOP (0.173", 4.40mm Width)	20-TSSOP	Details
ISL1219IUZ IC RTC EVENT REC I2C 10-MSOP Renesas Electronics America Inc	2,626	4.38000	Active	Time Event Recorder	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	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP	Details
DS1501YN+ IC RTC CLK/CALENDAR PAR 28DIP Analog Devices Inc./Maxim Integrated	4,624	6.93000	Not For New Designs	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
MCP795W11T-I/SL IC RTC CLK/CALENDAR SPI 14-SOIC Microchip Technology	4,998	1.84500	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-SOIC (0.154", 3.90mm Width)	14-SOIC	Details
DS1337 IC RTC CLK/CALENDAR I2C 8-DIP Analog Devices Inc./Maxim Integrated	6,183	1.47000	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	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP	Details
MCP795W20-I/ST IC RTC CLK/CALENDAR SPI 14-TSSOP Microchip Technology	263	1.91000	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, 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
MCP79410T-I/MNY IC RTC CLK/CALENDAR I2C 8-TDFN Microchip Technology	7,940	1.14000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	1.3V ~ 5.5V	1.2µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-WFDFN Exposed Pad	8-TDFN (2x3)	Details
DS1248WP-120+ IC RTC PHANTOM PAR 34-PCM Analog Devices Inc./Maxim Integrated	3,586	32.57100	Active	Phantom Time Chip	NVSRAM	128KB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	3V	7mA @ 3.3V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
PT7C4363BWEX IC RTC I2C SER 8SOIC T&R 2.5K Diodes Incorporated	8,560	0.61050	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3V ~ 5.5V	-	0.85µA ~ 0.9µA @ 3V ~ 5V	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1744-70+ IC RTC CLK/CALENDAR PAR 28-EDIP Analog Devices Inc./Maxim Integrated	1,472	35.30000	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	4mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP	Details
DS1340C-3# IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	5,837	5.16200	Active	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7V ~ 5.5V	1.3V ~ 3.7V	125µA @ 3.3V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
DS1553WP-150 IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	5,313	15.68000	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
M41T62Q6F IC RTC CLK/CALENDAR I2C 16-QFN STMicroelectronics	2,347	2.59000	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	16-VFQFN Exposed Pad	16-QFN (3x3)	Details
MCP79520T-I/MS IC RTC CLK/CALENDAR SPI 10-MSOP Microchip Technology	3,919	1.38000	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
DS3234SN#T&R IC RTC CLK/CALENDAR SPI 20-SOIC Analog Devices Inc./Maxim Integrated	6,478	10.42000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	256B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	2V ~ 3.8V	120µA ~ 160µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	Details
MCP7940N-I/P IC RTC CLK/CALENDAR I2C 8DIP Microchip Technology	475	0.93000	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	1.3V ~ 5.5V	1.2µA @ 3.3V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP	Details
X1205V8 RTC, VOLATILE Intersil	1,594	1.07000	Obsolete	Clock/Calendar	Alarm, Leap Year	-	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	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP	Details
DS1390U-33+T&R IC RTC CLK/CALENDAR SPI 10-USOP Analog Devices Inc./Maxim Integrated	5,753	4.05000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	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
MCP79401T-I/MS IC RTC CLK/CALENDAR I2C 8-MSOP Microchip Technology	1,491	1.09500	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	1.3V ~ 5.5V	1.2µA (Typ) @ 3.3V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP	Details
DS1374U-18+ IC RTC BINARY CNT I2C 10-USOP Analog Devices Inc./Maxim Integrated	5,541	4.66000	Active	Binary Counter	Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer	-	Binary	Binary	I²C, 2-Wire Serial	1.71V ~ 1.89V	1.3V ~ 3.7V	100µA @ 1.71V ~ 1.89V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX/uSOP	Details
DS17285SN-3+ IC RTC CLK/CALENDAR PAR 24-SOIC Analog Devices Inc./Maxim Integrated	1,694	11.11000	Active	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	-40°C ~ 85°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC	Details
DS1251YP-70IND IC RTC PHANTOM PARALLEL 34PWRCP Analog Devices Inc./Maxim Integrated	30	38.69000	Obsolete	Phantom Time Chip	Leap Year, NVSRAM	512kb	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	3V	10mA @ 5V	-40°C ~ 85°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
DS1340C-33# IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	6,450	6.90000	Active	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	150µA @ 5.5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
ISL1208IU8-TK RTC, NON-VOLATILE Intersil	6,000	1.66000	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-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP	Details

RFQ List

Clock/Timing - Real Time Clocks

Looking for Clock/Timing - Real Time Clocks?

Company

Products & Resources

Help & Policies

Live Chat