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
PCF85363ATT1/AZ IC RTC CLK/CALENDAR I2C 10TSSOP NXP USA Inc.	6,816	1.70000	Active	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	0.9V ~ 1.8V, 0.9V ~ 5.5V	0.9V ~ 5.5V	0.885µA @ 3.3V	-40°C ~ 85°C (TA)	Surface Mount	10-XFDFN Exposed Pad	10-DFN (2.6x2.6)	Details
MCP79512T-I/MS IC RTC CLK/CALENDAR SPI 10-MSOP Microchip Technology	6,062	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
DS17287-5+ IC RTC CLK/CALENDAR PAR 24-EDIP Analog Devices Inc./Maxim Integrated	5,399	18.86000	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	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-DIP Module (0.600", 15.24mm)	24-EDIP	Details
M48T201V-85MH1F IC RTC CLK/CALENDAR PAR 44-SOH STMicroelectronics	1,872	16.95000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	3V	2mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	44-SOH	Details
ISL12027IV27AZ RTC, NON-VOLATILE Intersil	13,129	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	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP	Details
ISL1218IBZ IC RTC CLK/CALENDAR I2C 8-SOIC Renesas Electronics America Inc	980	3.79000	Obsolete	Clock/Calendar	Alarm, Leap Year, SRAM	8B	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
DS1747P-70 IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	524	27.20000	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	512KB	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
DS1556-70IND+ IC RTC CLK/CALENDAR PAR 32-EDIP Analog Devices Inc./Maxim Integrated	6,196	46.49270	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	6mA @ 5V	-40°C ~ 85°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP	Details
DS1308U-18+ IC RTC CLK/CALENDAR I2C 8-UMAX Analog Devices Inc./Maxim Integrated	5,215	5.01000	Active	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.71V ~ 5.5V	1.3V ~ 5.5V	100µA @ 200µA @ 1.89V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
PT7C4337BLEX IC REAL TIME CLK TSSOP T&R 2.5K Diodes Incorporated	3,161	0.63900	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	-	0.8µA @ 1.2V ~ 1.8V	-40°C ~ 85°C (TA)	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP	Details
M48T08-150PC1 IC RTC CLK/CALENDAR PAR 28DIP STMicroelectronics	30	32.74000	Active	Clock/Calendar	Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.75V ~ 5.5V	-	3mA @ 4.7V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT®	Details
DS1746-70 IC RTC CLK/CALENDAR PAR 32-EDIP Analog Devices Inc./Maxim Integrated	705	22.84000	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	4mA @ 5V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP	Details
1337AGDVGI IC RTC CLK/CALENDAR I2C 8-TSSOP Renesas Electronics America Inc	238	3.10000	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	-	0.3µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP	Details
DS1743P-85+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	470	15.35000	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	Details
MCP79401-I/SN IC RTC CLK/CALENDAR I2C 8-SOIC Microchip Technology	7,063	1.05000	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-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1340U-3+ IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	5,033	4.66000	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
PCF85263ATT1/AZ IC RTC CLK/CALENDAR I2C 10TSSOP NXP USA Inc.	7,723	1.46000	Active	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I²C	0.9V ~ 1.8V, 0.9V ~ 5.5V	0.9V ~ 5.5V	0.885µA @ 3.3V	-40°C ~ 85°C (TA)	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-TSSOP	Details
PCA2129T/Q900/2,51 IC RTC CLK/CAL I2C/SPI 16-SOIC NXP USA Inc.	7,749	6.65000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 4.2V	1.8V ~ 4.2V	1.5µA @ 3.3V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SO	Details
BQ3285ESS-TR1 RTC, NON-VOLATILE, 1 TIMER(S) Texas Instruments	3,647	1.40000	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	Details
BQ3285S-SB2 IC RTC CLK/CALENDAR PAR 24-SOP Texas Instruments	2,744	13.57000	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	-	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC	Details
DS1689 IC RTC CLK/CALENDAR PAR 28-DIP Analog Devices Inc./Maxim Integrated	893	7.00000	Obsolete	Clock/Calendar	NVSRAM	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.3V, 4.5V ~ 5.5V	2.5V ~ 3.7V	2mA @ 3V, 3mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP (0.600", 15.24mm)	28-PDIP	Details
DS1315S-5+ IC RTC PHANTOM PAR 16-SOIC Analog Devices Inc./Maxim Integrated	230	20.73000	Active	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	1.3mA @ 5V	0°C ~ 70°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
PT7C43390AWEX IC RTC LOW PWR CONSUMPTION I2C Diodes Incorporated	3,653	0.52500	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.35V ~ 5.5V	-	0.6µA ~ 0.7µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
M41T82RM6F IC RTC CLK/CALENDAR I2C 8-SOIC STMicroelectronics	2,283	3.45000	Active	Clock/Calendar	Alarm, Leap Year, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7V ~ 5.5V	2V ~ 5.5V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details

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