Real Time Clocks

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Programmable	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Grade	Qualification	Supplier Device Package
DS1343D-18+ IC RTC CLK/CALENDAR SPI 14TDFN Analog Devices Inc./Maxim Integrated	2,123	1.00	RFQ	Datasheet	-	14-WFDFN Exposed Pad	Tube	Obsolete	Not Verified	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-TDFN (3x3)
DS1347T+ IC RTC CLK/CALENDAR SPI 8TDFN Analog Devices Inc./Maxim Integrated	1,504	0.00	RFQ	Datasheet	-	8-WDFN Exposed Pad	Tube	Active	Not Verified	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-TDFN (3x3)
AS1801-BTDT ULTRA-LOW POWER, IC SERIAL REAL- Austria Micro	4,150		RFQ	Datasheet	-	8-UFDFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 3.6V	0.9V ~ 3.6V	0.5µA @ 1.5V	-40°C ~ 85°C	Surface Mount	-	-	8-TDFN (2x2)
PCF2123U/12AA/1,00 IC RTC/CALENDAR SPI UNCASED NXP USA Inc.	3,240	0.00	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PCF2123U/5GA/1,015 IC RTC/CALENDAR SPI UNCASED NXP USA Inc.	2,749	0.00	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PCF8523U/12AA/1,00 IC RTC/CALENDAR UNCASED DIE FFC NXP USA Inc.	3,025	0.83	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PCF8564AU/5BD/1,01 IC RTC/CALENDAR UNCASED DIE NXP USA Inc.	1,879	0.00	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
DS1339AD+T IC RTC CLOCK/CALENDAR I2C 8TDFN Analog Devices Inc./Maxim Integrated	3,320	0.00	RFQ	Datasheet	-	-	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.71V ~ 5.5V	1.3V ~ 3.7V	200µA @ 1.71V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-TDFN EP
DS1341T+ IC RTC CLK/CALENDAR I2C 8TDFN Analog Devices Inc./Maxim Integrated	1,966	0.00	RFQ	Datasheet	-	8-WDFN Exposed Pad	Tube	Active	Not Verified	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	-	0.5µA ~ 0.6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-TDFN (3x3)
PCA8802CX8/B/1,027 IC RTC BINARY COUNTER I2C DIE NXP USA Inc.	2,870	0.00	RFQ	Datasheet	-	Die	Tape & Reel (TR)	Obsolete	Not Verified	Binary Counter	Square Wave Output, Unique ID	-	Binary	Binary	I2C, 2-Wire Serial	1.6V ~ 5.5V	-	0.4µA @ 1.6V ~ 5.5V	-40°C ~ 85°C	-	-	-	Die
DP8573AVX IC RTC CLK/CALENDAR PAR 28PLCC Texas Instruments	3,451	14.07	RFQ	Datasheet	-	28-LCC (J-Lead)	Tape & Reel (TR)	Obsolete	Not Verified	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-PLCC (11.51x11.51)
DS1254WB2-150 IC RTC PHANTOM CHIP PAR 80BGA Analog Devices Inc./Maxim Integrated	3,644	0.00	RFQ	-	-	80-BBGA	Tray	Obsolete	Not Verified	Phantom Time Chip	Leap Year, NVSRAM	2MB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.7V	3V	7mA @ 3.3V	0°C ~ 70°C	Surface Mount	-	-	80-BGA (40x40)
DS1318 IC RTC ELAPSED CNT PAR 24TSSOP Analog Devices Inc./Maxim Integrated	2,869	1.00	RFQ	-	-	24-TSSOP (0.173", 4.40mm Width)	Tube	Obsolete	Not Verified	Elapsed Time Counter	Alarm, Square Wave Output	-	Binary	Binary	Parallel	3V ~ 3.6V	1.6V ~ 3.7V	150µA @ 3V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	24-TSSOP
DS1371U IC RTC BINARY COUNTER I2C 8UMAX Analog Devices Inc./Maxim Integrated	2,415	1.00	RFQ	-	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tube	Obsolete	Not Verified	Binary Counter	Alarm, Square Wave Output, Watchdog Timer	-	Binary	Binary	I2C, 2-Wire Serial	1.7V ~ 5.5V	-	1.3µA @ 1.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS1374U-33 IC RTC BINARY COUNTER I2C 10UMAX Analog Devices Inc./Maxim Integrated	2,469	1.00	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tube	Obsolete	Not Verified	Binary Counter	Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer	-	Binary	Binary	I2C, 2-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
DS1391U-33 IC RTC CLK/CALENDAR SPI 10UMAX Analog Devices Inc./Maxim Integrated	4,098	0.00	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tube	Obsolete	Not Verified	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-uMAX/uSOP
PCA8802U/2AA/1,026 IC RTC BINARY COUNTER I2C DIE NXP USA Inc.	4,083	0.00	RFQ	-	-	Die	Tray	Obsolete	Not Verified	Binary Counter	Square Wave Output, Unique ID	-	Binary	Binary	I2C, 2-Wire Serial	1.6V ~ 5.5V	-	0.4µA @ 1.6V ~ 5.5V	-40°C ~ 85°C	-	-	-	Die
PCA8802UG/12KB/1,0 IC RTC BINARY COUNTER I2C 8WLCSP NXP USA Inc.	3,124	0.00	RFQ	-	-	8-XFBGA, WLCSP	Bulk	Obsolete	Not Verified	Binary Counter	Square Wave Output, Unique ID	-	Binary	Binary	I2C, 2-Wire Serial	1.6V ~ 5.5V	-	0.4µA @ 1.6V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-WLCSP
PCF8564AU/5GC/1,01 IC RTC CLOCK/CALENDAR I2C DIE NXP USA Inc.	2,372	0.00	RFQ	Datasheet	-	Die	Bulk	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1V ~ 5.5V	-	0.6µA ~ 0.75µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	Die
1337GDCGI8 IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	1,487	0.00	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	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	-	-	8-SOIC

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