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
DS1338C-33#T&R IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	1,475	8.97000	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
LV8571AN RTC, VOLATILE, 2 TIMER(S) National Semiconductor	5,515	16.45000	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	Details
RV-8803-C7-32.768KHZ-3PPM-TA-QA IC RTC CLK/CALENDAR I2C 8SON Micro Crystal AG	158	3.24000	Active	Clock/Calendar	Alarm, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer	1B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.5V ~ 5.5V	-	0.35µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	8-WCDFN	8-SON (3.2x1.5)	Details
MCP79412T-I/MNY IC RTC CLK/CALENDAR I2C 8-TDFN Microchip Technology	2,547	1.23000	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
DS1302ZN+ IC RTC CLK/CALENDAR SER 8-SOIC Analog Devices Inc./Maxim Integrated	1,800	6.11000	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	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1685Q-5+ IC RTC CLK/CALENDAR PAR 28-PLCC Analog Devices Inc./Maxim Integrated	7,718	7.48577	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	28-LCC (J-Lead)	28-PLCC (11.51x11.51)	Details
ISL12028IB27Z RTC, VOLATILE Intersil	2,348	4.29000	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
DS1558W+ IC RTC CLK/CALENDAR PAR 48-LQFP Analog Devices Inc./Maxim Integrated	2,538	16.66000	Active	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	2.5V ~ 3.7V	2mA @ 3.3V	-40°C ~ 85°C	Surface Mount	48-LQFP	48-LQFP (7x7)	Details
DS1315SN-5+ IC RTC PHANTOM PAR 16-SOIC Analog Devices Inc./Maxim Integrated	9,699	30.05000	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	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
DS1391U-33+ IC RTC CLK/CALENDAR SPI 10-USOP Analog Devices Inc./Maxim Integrated	2,392	5.99000	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
S-35399A03-J8T2G IC RTC CLK/CALENDAR I2C 8SOP ABLIC Inc.	6,568	0.95240	Not For New Designs	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3V ~ 5.5V	-	14µA ~ 30µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOP-J	Details
DS1391U-33+T&R IC RTC CLK/CALENDAR SPI 10-USOP Analog Devices Inc./Maxim Integrated	5,379	5.29000	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
DP8570AVX/NOPB IC RTC CLK/CALENDAR PAR 28-PLCC Texas Instruments	5,740	26.76727	Active	Timer Clock Peripheral (TCP)	Alarm, Leap Year	44B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.2V ~ 5.1V	1µA @ 5V	-40°C ~ 85°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)	Details
PT7C4337BWEX IC REAL TIME CLOCK SO-8 T&R 2.5K Diodes Incorporated	7,434	0.52554	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-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
ISL12028AIB27Z RTC, VOLATILE Intersil	7,396	4.29000	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
DP8573AVX REAL TIME CLOCK, VOLATILE, 0 TIM National Semiconductor	1,210	17.35000	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.2V ~ 5.1V	1µA @ 5V	-40°C ~ 85°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)	Details
DS2417P IC RTC BINARY CNT SER 6-TSOC Analog Devices Inc./Maxim Integrated	6,885	1.27500	Obsolete	Binary Counter	Unique ID	-	Binary	Binary	1-Wire® Serial	2.5V ~ 5.5V	-	0.45µA @ 2.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	6-SMD, J-Lead	6-TSOC	Details
DS1339C-33#T&R IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	6,749	9.11000	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	16-SOIC (0.295", 7.50mm Width)	16-SOIC	Details
DS1305E+ IC RTC CLK/CALENDAR SPI 20-TSSOP Analog Devices Inc./Maxim Integrated	2,258	8.61000	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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
M48T08Y-10MH1F IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	1,702	35.56000	Active	Clock/Calendar	Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH	Details
DS1556P-70+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	1,279	58.62000	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	3V	6mA @ 5V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
DS1672S-3+ IC RTC BINARY CNT I2C 8-SOIC Analog Devices Inc./Maxim Integrated	24	4.94000	Active	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	2.7V ~ 3.3V	1.3V ~ 3.63V	500µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
MCP79412-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	4,555	1.18000	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-TSSOP (0.173", 4.40mm Width)	8-TSSOP	Details
M41T93SQA6F IC RTC CLK/CALENDAR SPI 16-QFN STMicroelectronics	6,341	7.08000	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	16-VQFN Exposed Pad	16-QFN (4x4)	Details

Clock/Timing - Real Time Clocks

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