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
DS1500YE+ IC RTC CLK/CALENDAR PAR 32-TSOP Analog Devices Inc./Maxim Integrated	210	9.08000	Obsolete	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	0°C ~ 70°C	Surface Mount	32-LFSOP (0.724", 18.40mm Width)	32-TSOP	Details
MAX6909EO30+ IC RTC I2C COMPAT 20-QSOP Analog Devices Inc./Maxim Integrated	1,227	5.22000	Obsolete	Clock/Calendar/Supervisor	-	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7V ~ 3.3V	-	-	-	Surface Mount	20-SSOP (0.154", 3.90mm Width)	20-QSOP	Details
DP8573AV/NOPB IC RTC CLK/CALENDAR PAR 28-PLCC Texas Instruments	2,047	22.32000	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
RV-3028-C7 32.768KHZ 1PPM-TA-QC IC RTC CLK/CALENDAR I2C 8SON Micro Crystal AG	7,569	3.06000	Active	Clock/Calendar	Alarm, Battery Switch, EEPROM, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer, Trickle Charger	2B, 43B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.1V ~ 5.5V	-	0.06µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	8-WCDFN	8-SON (3.2x1.5)	Details
ISL12028IV27Z RTC, VOLATILE Intersil	5,310	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-TSSOP (0.173", 4.40mm Width)	14-TSSOP	Details
DS1388Z-33+ IC RTC CLK/CALENDAR I2C 8-SOIC Analog Devices Inc./Maxim Integrated	7,045	6.12000	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	2.97V ~ 3.63V	1.3V ~ 5.5V	150µA @ 2.97V ~ 3.63V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1344D-3+ IC RTC CLK/CAL SPI 14TDFN Analog Devices Inc./Maxim Integrated	1,206	2.60000	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)	Details
DS1743-100IND+ IC RTC CLK/CALENDAR PAR 28-EDIP Analog Devices Inc./Maxim Integrated	1	30.77000	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	3mA @ 5V	-40°C ~ 85°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP	Details
DS1305N+ IC RTC CLK/CALENDAR SPI 16-DIP Analog Devices Inc./Maxim Integrated	5,322	8.04000	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	-40°C ~ 85°C	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP	Details
RV-8523-C3-32.768KHZ-20PPM-TA-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	2,708	4.16000	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
PT7C4311AWEX IC RTC CAL I2C/2-WIRE SER 8SOIC Diodes Incorporated	1,053	0.64500	Active	Clock/Calendar	Leap Year, Square Wave Output, Y2K	56B	HH:MM:SS (24 hr)	YY-MM-DD	I²C, 2-Wire Serial	1.2V ~ 5.5V	2V ~ 3.5V	150µA @ 1.5V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
AB1805-T3 IC RTC CLK/CALENDAR I2C 16-QFN Abracon LLC	5,923	2.50000	Active	Clock/Calendar	Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer	256B	HH:MM:SS:hh	YY-MM-DD-dd	I²C, 2-Wire Serial	1.7V ~ 3.6V	1.5V ~ 3.6V	0.17µA ~ 0.22µA @ 1.8V ~ 3V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)	Details
ISL12026AIBZ-T IC RTC CLK/CALENDAR I2C 8-SOIC Renesas Electronics America Inc	9,980	2.63860	Active	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 ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC	Details
DS1340U-33+ IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	6,778	4.74000	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	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP	Details
PT7C4563BLEX IC RTC I2C SER 8TSSOP T&R 2.5K Diodes Incorporated	9,232	0.48600	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3V ~ 5.5V	-	0.65µA ~ 0.85µA @ 3V ~ 5V	-40°C ~ 85°C (TA)	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP	Details
DS1672-33 IC RTC BINARY CNT I2C 8-DIP Analog Devices Inc./Maxim Integrated	809	1.70000	Obsolete	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	2.97V ~ 3.63V	1.3V ~ 3.63V	500µA @ 3.63V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP	Details
DS1394U-33+T&R IC RTC CLK/CALENDAR SPI 10-MSOP Analog Devices Inc./Maxim Integrated	4,835	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
DS1315-5 IC RTC PHANTOM PAR 16-DIP Analog Devices Inc./Maxim Integrated	42	9.51000	Obsolete	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	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP	Details
DS1315E-33+ IC RTC PHANTOM PAR 20-TSSOP Analog Devices Inc./Maxim Integrated	6,801	20.33000	Active	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	2.5V ~ 3.7V	1.1mA @ 3.3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP	Details
DS1305+ IC RTC CLK/CALENDAR SPI 16-DIP Analog Devices Inc./Maxim Integrated	9,279	7.00000	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	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP	Details
DS1747P-70IND+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	2,902	48.76000	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	3V	4mA @ 5V	-40°C ~ 85°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module	Details
RV-3129-C3-32.768KHZ-OPTION-B-TB-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	2,048	0.00000	Active	Clock/Calendar	Alarm, EEPROM, RAM, Trickle Charger	2B, 8B	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3V ~ 5.5V, 2.1V ~ 5.5V	-	1µA @ 3V	-40°C ~ 125°C	Surface Mount	10-VCDFN	10-SON (3.7x2.5)	Details
X1228S14Z-4.5A IC RTC CLK/CALENDAR I2C 14-SOIC Renesas Electronics America Inc	9,199	0.00000	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 ~ 5V	0°C ~ 70°C	Surface Mount	14-SOIC (0.154", 3.90mm Width)	14-SOIC	Details
M48T35AV-10MH6E IC RTC CLK/CALENDAR PAR 28SOH STMicroelectronics	2,273	0.00000	Obsolete	Clock/Calendar	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	-	2mA @ 3V ~ 3.6V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH	Details

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