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
ISL12024IBZ-T IC RTC CLK/CALENDAR I2C 8-SOIC Renesas Electronics America Inc	5,000	5.43000	Obsolete	Clock/Calendar	Alarm, Leap Year, Unique ID	-	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	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1388Z-5+ IC RTC CLK/CALENDAR I2C 8-SOIC Analog Devices Inc./Maxim Integrated	4,178	6.33000	Active	Clock/Calendar	EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer	512B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	4.5V ~ 5.5V	1.3V ~ 5.5V	270µA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1683S+ IC RTC ELAPSED CNT I2C 8-SOIC Analog Devices Inc./Maxim Integrated	1,423	5.80000	Active	Elapsed Time Counter	Alarm, EEPROM	16B	Binary	Binary	I²C, 2-Wire Serial	2.5V ~ 5.5V	-	-	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
RV-8263-C7-32.768KHZ-20PPM-TA-QC IC RTC CLK/CALENDAR I2C 8SON Micro Crystal AG	5,979	1.71000	Active	Clock/Calendar	Alarm, Leap Year, Programmable Clock Output, RAM, Timer	1B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	0.9V ~ 5.5V	-	0.24µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	8-WCDFN	8-SON (3.2x1.5)	Details
DS1338C-33# IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	2	6.90000	Active	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3V ~ 5.5V	1.3V ~ 3.7V	125µA ~ 200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
PCF85063TP/1Z IC RTC CLK/CALENDAR I2C 8-SON NXP USA Inc.	81,769	1.06000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	0.9V ~ 5.5V	-	0.6µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-WFDFN Exposed Pad	8-HWSON (2x3)	Details
DS1347T+T&R IC RTC CLK/CALENDAR SPI 8-TDFN Analog Devices Inc./Maxim Integrated	3,730	3.79000	Active	Clock/Calendar	Alarm, Leap Year, SRAM	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	-	0.7µA ~ 0.8µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	8-WDFN Exposed Pad	8-TDFN (3x3)	Details
DS1302S+ IC RTC CLK/CALENDAR SER 8-SOIC Analog Devices Inc./Maxim Integrated	3,344	4.90000	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 (0.209", 5.30mm Width)	8-SOIC	Details
S-35190A-I8T1U IC RTC CLK/CALENDAR SER SNT-8A ABLIC Inc.	2,505	1.63000	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.3V ~ 5.5V	-	0.93µA ~ 1.1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SMD, Flat Lead	SNT-8A	Details
BQ3285ESSTR IC RTC CLK/CALENDAR PAR 24-QSOP Texas Instruments	14,241	2.72000	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 4V	300µA @ 5V	0°C ~ 70°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-SSOP	Details
DS1743P-100 IC RTC RAM Y2K 5V 100NS 34-PCM Analog Devices Inc./Maxim Integrated	2,380	12.50000	Obsolete	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	34-PowerCap Module	Details
DS12885SN+T&R IC RTC CLK/CALENDAR PAR 24-SOIC Analog Devices Inc./Maxim Integrated	2,107	6.28500	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	24-SOIC (0.295", 7.50mm Width)	24-SOIC	Details
DS1308U-33+T IC RTC CLK/CALENDAR I2C 8-UMAX Analog Devices Inc./Maxim Integrated	19,119	4.40000	Active	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3V ~ 5.5V	1.3V ~ 5.5V	125µA ~ 200µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
ISL12029IB27AZ RTC, NON-VOLATILE, 1 TIMER(S) Intersil	5,423	3.47000	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
DS1746P-70+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	138	37.14000	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	3V	4mA @ 5V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
DS1340U-3+T&R IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	6,446	2.37000	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	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
BQ4845S-A4TR IC RTC CLK/CALENDAR PAR 28-SOIC Texas Instruments	9,213	8.56000	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.75V ~ 5.5V	2.3V ~ 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
BQ4802LYDWR IC RTC CLK/CALENDAR PAR 28-SOIC Texas Instruments	2,203	6.95000	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.6V	2.4V ~ 4V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC	Details
DS1685Q-3+ IC RTC CLK/CALENDAR PAR 28-PLCC Analog Devices Inc./Maxim Integrated	234	6.76000	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
CDP6818AD CMOS REAL-TIME CLOCK WITH RAM Harris Corporation	69	5.69000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output	50B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	-	3V ~ 6V	-	50µA ~ 3mA @ 3V ~ 5V	0°C ~ 70°C (TA)	Through Hole	24-CDIP (0.600", 15.24mm)	24-SBDIP	Details
DS1685E-5+ IC RTC CLK/CALENDAR PAR 24-TSSOP Analog Devices Inc./Maxim Integrated	4,734	7.78000	Active	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	Surface Mount	24-TSSOP (0.173", 4.40mm Width)	24-TSSOP	Details
DS1688S IC RTC CLK/CALENDAR PAR 28-SOIC Analog Devices Inc./Maxim Integrated	532	7.77000	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Unique ID	114B	HH:MM:SS (12/24 hr)	YY-MM-DD	Parallel	2.7V ~ 3.3V, 4.5V ~ 5.5V	-	-	0°C ~ 70°C	Surface Mount	28-SOIC (0.337", 8.56mm Width)	28-SOIC	Details
DS17887-5IND+ IC RTC CLK/CALENDAR PAR 24-EDIP Analog Devices Inc./Maxim Integrated	7,101	27.37000	Active	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	-40°C ~ 85°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP	Details
MCP79411-I/SN IC RTC CLK/CALENDAR I2C 8-SOIC Microchip Technology	8,547	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-SOIC (0.154", 3.90mm Width)	8-SOIC	Details

RFQ List

Clock/Timing - Real Time Clocks

Looking for Clock/Timing - Real Time Clocks?

Company

Products & Resources

Help & Policies

Live Chat