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
DS1306N+ IC RTC CLK/CALENDAR SPI 16-DIP Analog Devices Inc./Maxim Integrated	1,358	8.45000	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	2V ~ 5.5V	25.3µA ~ 81µA @ 2V ~ 5V	-40°C ~ 85°C	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP	Details
S-35390A-T8T1G IC RTC CLK/CALENDAR I2C 8-TSSOP ABLIC Inc.	18,516	1.63000	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3V ~ 5.5V	-	0.93µA ~ 1.1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP	Details
DS1337C#T&R IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	5	6.57000	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 @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
DS1673E-3/T&R IC RTC SYSTEM CTRLR SER 20-TSSOP Analog Devices Inc./Maxim Integrated	10,000	4.94000	Obsolete	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
M41T315V-85MH6F IC RTC PHANTOM SER 28-SOIC STMicroelectronics	175	11.21000	Obsolete	Phantom Time Chip	Leap Year, Supervisor	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Serial	3V ~ 3.6V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.6V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH	Details
RV-8523-C3-32.768KHZ-10PPM-TA-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	2,153	2.44500	Active	Clock/Calendar	Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.2V ~ 5.5V	-	0.18µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-VCDFN	10-SON (3.7x2.5)	Details
DS1670E+ IC RTC SYSTEM CTRLR SER 20-TSSOP Analog Devices Inc./Maxim Integrated	4,424	11.66000	Active	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97V ~ 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
DS1306E+T&R IC RTC CLK/CALENDAR SPI 20-TSSOP Analog Devices Inc./Maxim Integrated	7,492	6.10000	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	2V ~ 5.5V	25.3µA ~ 81µA @ 2V ~ 5V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP	Details
P8254-2 P8254 - PROGRAMMABLE TIMER, 3 TI Rochester Electronics, LLC	7,708	20.66000	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	Details
M41T93SMY6F IC RTC CLK/CALENDAR SPI 18-SOX STMicroelectronics	271	5.70000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	3V ~ 5.5V	1.8V ~ 5.5V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	18-SOX, 18-SOIC with Crystal (7.5mm Width)	18-SOX	Details
DS1554P-70+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	9,216	30.47000	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	3V	6mA @ 5V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
MAX6901ETA-T MAX6901 3-WIRE SERIAL RTC Analog Devices Inc./Maxim Integrated	4,675	2.96000	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	Details
RV-8564-C3-32.768KHZ-10PPM-TA-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	7,005	2.26500	Active	Clock/Calendar	Alarm, Leap Year, Programmable Clock Output, Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1V ~ 5.5V	-	0.35µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-VCDFN	10-SON (3.7x2.5)	Details
DS12R885S-5+T&R IC RTC CLK/CALENDAR PAR 24-SOIC Analog Devices Inc./Maxim Integrated	8,011	2.77500	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2V ~ 3.05V	2mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC	Details
DS1339U-33+T&R IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	25	4.40000	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	2.97V ~ 5.5V	1.3V ~ 3.7V	200µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
DS1556WP-120+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	7,351	39.40000	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	128KB	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
DS3231SN# IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	7,478	10.88000	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, TCXO/Crystal	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.3V ~ 5.5V	2.3V ~ 5.5V	110µA ~ 170µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
DS3232MZ/V+T IC RTC CLK/CALENDAR I2C 8-SOIC Analog Devices Inc./Maxim Integrated	5,344	5.43000	Not For New Designs	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	236B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.3V ~ 4.5V	2.3V ~ 4.5V	175µA @ 2.3V ~ 4.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1251WP-120 IC RTC PHANTOM PAR 34-PCM Analog Devices Inc./Maxim Integrated	2,390	32.58000	Obsolete	Phantom Time Chip	Leap Year, NVSRAM	512KB	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
ISL12022MIBZ-TR5421 IC RTC CLK/CALENDAR I2C 20-SOIC Renesas Electronics America Inc	4,131	5.14360	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, SRAM	128B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7V ~ 5.5V	1.8V ~ 5.5V	14µA ~ 15µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	Details
DS1302N+ IC RTC CLK/CALENDAR SER 8-DIP Analog Devices Inc./Maxim Integrated	9,929	5.17000	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	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP	Details
DS1344D-18+T&R IC RTC CLK/CAL SPI 14TDFN Analog Devices Inc./Maxim Integrated	3,487	5.56000	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)	Details
DS1315N-33+ IC RTC PHANTOM PAR 16-DIP Analog Devices Inc./Maxim Integrated	50	14.00000	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	Details
SLR32CN-32.768K IC RTC 3225 CMOS 5ppm Suntsu Electronics, Inc.	482	3.95000	Active	Clock/Calendar	Alarm, Leap Year, RAM	-	HH:MM:SS	YY-MM-DD	I²C	2.5V ~ 5V	1.6V ~ 5V	500nA @ 3V	-40°C ~ 85°C	Surface Mount	10-SMD, No Lead	10-SMD	Details

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