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Manufacturer	Package/Case	Packaging	Series	ProductStatus	Type	Features	MemorySize	TimeFormat	DateFormat	Interface	Voltage-Supply	Voltage-SupplyBattery	Current-Timekeeping(Max)	OperatingTemperature	MountingType
4D Systems Pty Ltd ABLIC Inc. Abracon LLC Active-Semi International Inc. Advanced Linear Devices Inc. ams Analog Devices Inc./Maxim Integrated Benchmarq Cymbet Corporation Dallas Semiconductor Diodes Incorporated Echelon Corporation ECS Inc. Elantec EM Microelectronic Epson FTDI, Future Technology Devices International Ltd Fujitsu Electronics America, Inc. Harris Corporation Holt Integrated Circuits Inc. Honeywell Microelectronics & Precision Sensors Intersil KYOCERA AVX Micro Crystal AG Microchip Technology Microsemi Solutions Sdn Bhd. Monolithic Power Systems Inc. National Semiconductor Nisshinbo Micro Devices Inc. NJR Corporation/NJRC NXP USA Inc. Renesas Electronics America Inc Rochester Electronics, LLC Rohm Semiconductor Sharp Microelectronics Simtek Smart Prototyping STMicroelectronics Suntsu Electronics, Inc. Texas Instruments UMW WIZnet	- 10-LFSOP (0.173, 4.40mm Width) 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) 10-LLGA 10-SMD Module 10-SMD, No Lead 10-TCDFN Exposed Pad 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 10-VCDFN 10-VFDFN Exposed Pad 10-VFSOP, 10-MSOP (0.110, 2.80mm Width) 10-WFDFN Exposed Pad 10-XFDFN Exposed Pad 12-TFSOJ (0.094, 2.40mm Width) 12-UFBGA, WLBGA 12-WFBGA, WLBGA 12-XFBGA, WLCSP 12-XFQFN Exposed Pad 14-DIP Module (0.335, 8.51mm) 14-SOIC (0.154, 3.90mm Width) 14-SOIC (0.197, 5.00mm Width) 14-SOIC (0.209, 5.30mm Width) 14-SOIC, Non-Standard 14-SSOP (0.209, 5.30mm Width) 14-TSSOP (0.173, 4.40mm Width) 14-WFDFN Exposed Pad 16-DIP (0.300, 7.62mm) 16-LFDFN Exposed Pad 16-LQFN 16-LSSOP (0.173, 4.40mm Width) 16-SOIC (0.154, 3.90mm Width) 16-SOIC (0.295, 7.50mm Width) 16-SSOP (0.209, 5.30mm Width) 16-UFQFN Exposed Pad 16-VFDFN Exposed Pad 16-VFQFN Exposed Pad 16-VQFN Exposed Pad 16-XFQFN Exposed Pad 168-BBGA Module 168-PBGA Module 18-DIP (0.300, 7.62mm) 18-SOIC (0.209, 5.30mm Width) 18-SOX, 18-SOIC with Crystal (7.5mm Width) 18-XFQFN Exposed Pad 20-LSSOJ (0.213, 5.40mm Width) 20-PowerLFDFN 20-SOIC (0.295, 7.50mm Width) 20-SSOP (0.154, 3.90mm Width) 20-SSOP (0.209, 5.30mm Width) 20-TSSOP (0.173, 4.40mm Width) 20-VQFN Exposed Pad 22-LFDFN 22-SMD, 20 Leads, Flat Leads 22-SMD, Flat Lead Exposed Pad 24-CDIP (0.300, 7.62mm) 24-CDIP (0.600, 15.24mm) 24-DIP (0.300, 7.62mm) 24-DIP (0.600, 15.24mm) 24-DIP Module (0.600, 15.24mm) 24-DIP Module (0.61, 15.49mm) 24-SOIC (0.295, 7.50mm Width) 24-SOIC (0.311, 7.90mm Width) 24-SOP (0.213, 5.40mm Width) 24-SSOP (0.154, 3.90mm Width) 24-TSSOP (0.173, 4.40mm Width) 28-DIP (0.600, 15.24mm) 28-DIP Module (0.600, 15.24mm) 28-DIP Module (0.61, 15.49mm) 28-DIP Module (0.61, 15.49mm), 23 Leads 28-LCC (J-Lead) 28-SOIC (0.295, 7.50mm Width) 28-SOIC (0.337, 8.56mm Width) 28-SOIC (0.337, 8.56mm Width) with SNAPHAT Sockets 28-SOIC (0.345, 8.77mm Width) with SNAPHAT Sockets 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets 28-TSSOP (0.173, 4.40mm Width) 28-TSSOP (0.465, 11.80mm Width) 32-DIP Module (0.600, 15.24mm) 32-DIP Module (0.61, 15.49mm) 32-DIP Module (0.610, 15.49mm) 32-LFSOP (0.724, 18.40mm Width) 32-TQFP 34-LPM 34-PowerCap™ Module 36-DIP Module (0.610, 15.49mm) 44-BSOP (0.337, 8.56mm Width) 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT 44-QFP 48-BBGA 48-LQFP 6-SMD, J-Lead 6-VBGA, FCBGA 6-VFBGA, FCBGA 6-WDFN Exposed Pad 8-DIP (0.300, 7.62mm) 8-LCC 8-LSSOP (0.173, 4.40mm Width) 8-SMD 8-SMD Module 8-SMD, Flat Lead 8-SOIC (0.154, 3.90mm Width) 8-SOIC (0.173, 4.40mm Width) 8-SOIC (0.173, 4.40mm Width) Exposed Pad 8-SOIC (0.209, 5.30mm Width) 8-SOIC (0.295, 7.50mm Width) 8-TSSOP (0.173, 4.40mm Width) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) 8-UFDFN 8-UFDFN Exposed Pad 8-VDFN Exposed Pad 8-VFBGA, WLBGA 8-VSSOP, 8-MSOP (0.110, 2.80mm Width) 8-WCDFN 8-WDFN Exposed Pad 8-WFBGA, WLBGA 8-WFDFN Exposed Pad 8-XFBGA, WLCSP 80-BBGA Die Module Surface Mount	Bag Bulk Bulk,Tray Bulk,Tube Cut Tape (CT),Digi-Reel® Strip Tape & Reel (TR) Tape & Reel (TR),Bulk Tape & Reel (TR),Cut Tape (CT) Tape & Reel (TR),Cut Tape (CT),Digi-Reel® Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk Tray Tray,Bag Tray,Tray Tube Tube,Tube	* - Automotive, AEC-Q100 Automotive, AEC-Q200 EconoRAM EnerChip™ RA-4574SA RA-8565SA RTC-4543SA RTC-4543SB RTC-4574JE RTC-4574NB RTC-4574SA RTC-72421 RTC-72423 RTC-8564JE RTC-8564NB RX-4035LC RX-4035SA RX-4045NB RX-4045SA RX-4571LC RX-4571NB RX-4571SA RX-4574LC RX-4575LC RX-4581NB RX-4801SA RX-4803LC RX-4803SA RX-8025NB RX-8025SA RX-8035LC RX-8035SA RX-8564LC RX-8571LC RX-8571NB RX-8571SA RX-8581JE RX-8581NB RX-8581SA RX-8731LC RX-8801SA RX-8803LC RX-8803SA RX4111CE RX4901CE RX6110SA RX8010SJ RX8111CE RX8130CE RX8804CE RX8900CE RX8900SA RX8901CE S-35399A03 SRC32C Timekeeper® Timekeeper®, CAPHAT™	Active Discontinued at Mosen Last Time Buy Not For New Designs Obsolete	- Binary Counter Clock/Calendar Clock/Calendar/Supervisor Elapsed Time Counter Phantom Time Chip Portable System Controller Real Time Clock (RTC) Temperature Recorder Time Event Recorder Timer Clock Peripheral (TCP) with Temp. Recorder	- Alarm Alarm, Backup Supply Charger, Leap Year, RAM Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump Alarm, Battery Switch, EEPROM, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer, Trickle Charger Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Alarm, Daylight Savings, Leap Year, SRAM Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Alarm, Daylight Savings, NVSRAM Alarm, Daylight Savings, SRAM Alarm, EEPROM Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger Alarm, EEPROM, Leap Year, RAM, Trickle-Charger Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Trickle-Charger Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Trickle-Charger Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer Alarm, EEPROM, Leap Year, Square Wave Output, Trickle-Charger Alarm, EEPROM, Leap Year, Supervisor, Watchdog Timer Alarm, EEPROM, Leap Year, Unique ID Alarm, EEPROM, RAM, Trickle Charger Alarm, EEPROM, TCXO/Crystal, Trickle-Charger Alarm, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal Alarm, Leap Year Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Alarm, Leap Year, NVSRAM, Square Wave Output Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Alarm, Leap Year, NVSRAM, Trickle-Charger Alarm, Leap Year, NVSRAM, Watchdog Timer Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Alarm, Leap Year, NVSRAM, Y2K Alarm, Leap Year, Programmable Clock Output, RAM, Timer Alarm, Leap Year, Programmable Clock Output, Timer Alarm, Leap Year, Programmable Clock Output, Watchdog Timer Alarm, Leap Year, RAM Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger Alarm, Leap Year, RAM, SRAM Alarm, Leap Year, RAM, Trickle Charger Alarm, Leap Year, Square Wave Output Alarm, Leap Year, Square Wave Output, SRAM Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K Alarm, Leap Year, Square Wave Output, TCXO/Crystal Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer Alarm, Leap Year, Square Wave Output, Trickle-Charger Alarm, Leap Year, Square Wave Output, Unique ID Alarm, Leap Year, Square Wave Output, Watchdog Timer Alarm, Leap Year, SRAM Alarm, Leap Year, SRAM, Trickle-Charger Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer Alarm, Leap Year, SRAM, Watchdog Timer Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer Alarm, Leap Year, Supervisor, Watchdog Timer Alarm, Leap Year, Trickle-Charger Alarm, Leap Year, Unique ID Alarm, Leap Year, Unique ID, Y2K Alarm, Leap Year, Watchdog Timer Alarm, Leap Year, Watchdog Timer, Y2K Alarm, NVSRAM Alarm, NVSRAM, Square Wave Output Alarm, NVSRAM, Square Wave Output, Y2K Alarm, Programmable Clock Output, RAM, Timer, Trickle Charger, Watchdog Timer Alarm, RAM Alarm, Square Wave Output Alarm, Square Wave Output, SRAM Alarm, Square Wave Output, SRAM, Trickle Charge, Watchdog Timer Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer Alarm, Square Wave Output, Watchdog Timer Alarm, SRAM Alarm, SRAM, Trickle-Charger Alarm, Supervisor, Watchdog Timer Alarm, Y2K Audio, Leap Year, Trickle-Charger EEPROM, Leap Year EEPROM, Leap Year, NVSRAM EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer Leap Year Leap Year, NVSRAM Leap Year, NVSRAM, Square Wave Output Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Leap Year, NVSRAM, Trickle-Charger Leap Year, NVSRAM, Y2K Leap Year, Square Wave Output, Trickle-Charger Leap Year, Square Wave Output, Y2K Leap Year, SRAM Leap Year, Supervisor Leap Year, Trickle-Charger Leap Year, Watchdog Timer NVSRAM Square Wave Output Square Wave Output, Unique ID Trickle-Charger Unique ID	- 10B 113B 114B 120b 128B 128KB 16B 16B, 32B 1B 236B 240B 242B 256B 2B 2B, 43B 2B, 8B 2KB 2MB 31B 32B 32KB 43B 44B 4KB 50B 512B 512KB 56B 56B, 8KB 64B 64B, 1Kb 7B 80b 8B 8K 8KB 96B	- Binary HH:MM:SS HH:MM:SS (12/24 hr) HH:MM:SS (24 hr) HH:MM:SS:100th (24 hr) HH:MM:SS:hh HH:MM:SS:hh (12/24 hr) HH:MM:SS:hh (24 hr)	- Binary YY-MM-DD YY-MM-DD-dd YYYY-MM-DD	- 1-Wire® and 3-Wire 1-Wire® Serial 3-Wire Serial 3-Wire Serial, 4-Wire Serial 4-Wire Serial I²C I²C, 2-Wire Serial I²C, Serial I²C, SMBus I²C, SPI Multiplexed Parallel Serial SPI SPI, 3-Wire Serial SPI, 4-Wire Serial	- 0.3V ~ 4.6V 0.9V ~ 1.8V, 0.9V ~ 5.5V 0.9V ~ 5.5V 0.9V ~ 5.5V, 1.8V ~ 5.5V 1.1V ~ 5.5V 1.1V ~ 5.5V, 1.2V ~ 5.5V 1.1V, 1.2V, 2V ~ 5.5V 1.25V ~ 5.5V 1.2V ~ 5.5V 1.35V ~ 5.5V 1.3V ~ 4.4V 1.3V ~ 5.5V 1.3V ~ 5.5V, 2.1V ~ 5.5V 1.4V ~ 5.5V 1.4V ~ 5.5V, 2.1V ~ 5.5V 1.5V ~ 3.6V 1.5V ~ 4.4V 1.5V ~ 5.5V 1.6V ~ 3.6V 1.6V ~ 3V 1.6V ~ 5.5V 1.6V ~ 5V, 2.5V ~ 5V 1.71V ~ 1.89V 1.71V ~ 5.5V 1.7V ~ 3.6V 1.7V ~ 5.5V 1.7V ~ 6V 1.8V ~ 2.2V 1.8V ~ 3.6V 1.8V ~ 4.2V 1.8V ~ 5.5V 1.8V ~ 6V 1.9V, 2.6V ~ 5.5V 1V ~ 4.4V 1V ~ 5.5V 2.34V ~ 5.5V 2.38V ~ 5.5V 2.3V ~ 4.5V 2.3V ~ 5.5V 2.4V ~ 5.5V 2.5V ~ 5.5V 2.5V ~ 5V 2.5V ~ 6V 2.63V ~ 5.5V 2.7V ~ 3.3V 2.7V ~ 3.3V, 4.5V ~ 5.5V 2.7V ~ 3.63V 2.7V ~ 3.6V 2.7V ~ 3.7V 2.7V ~ 5.5V 2.8V ~ 5.5V 2.97V ~ 3.63V 2.97V ~ 5.5V 2V ~ 5.5V 3.3V 3.3V ~ 5.5V 3V 3V ~ 3.6V 3V ~ 3.7V 3V ~ 5.5V 3V ~ 6V 3V, 3.3V, 5V 4.5V ~ 5.5V 4.75V ~ 5.25V 4.75V ~ 5.5V 4V ~ 10.5V 4V ~ 5.5V 5V	- 0.9V ~ 5.5V 1.1V ~ 5.5V 1.2V ~ 5.5V 1.3V ~ 3.63V 1.3V ~ 3.6V 1.3V ~ 3.7V 1.3V ~ 5.5V 1.4V ~ 3.6V 1.4V ~ 5.5V 1.5V ~ 3.6V 1.5V ~ 3.7V 1.5V ~ 5.5V 1.6V ~ 3.6V 1.6V ~ 3.7V 1.6V ~ 5.5V 1.6V ~ 5V 1.7V ~ 3.6V 1.8V ~ 4.2V 1.8V ~ 5.5V 1V ~ 5.5V 2.2V ~ 5.1V 2.2V ~ 6V 2.3V ~ 3.6V 2.3V ~ 4.5V 2.3V ~ 4V 2.3V ~ 5.5V 2.4V ~ 3.5V 2.4V ~ 4V 2.5V ~ 3.5V 2.5V ~ 3.6V 2.5V ~ 3.7V 2.5V ~ 35V 2.5V ~ 4V 2.5V ~ 5.5V 2.6V ~ 3.5V 2.75V ~ 3.25V 2.7V ~ 4.95V 2.8V ~ 3.5V 2.8V ~ 5.5V 2V ~ 3.05V 2V ~ 3.5V 2V ~ 3.8V 2V ~ 4V 2V ~ 5.5V 3.2V 3.3V 3V 3V ~ 4.5V 4.1V Integrated	- 0.05µA @ 2.5V ~ 5.5V 0.06µA @ 2.5V ~ 5.5V 0.06µA @ 3V 0.08µA @ 3V 0.17µA ~ 0.22µA @ 1.8V ~ 3V 0.18µA @ 3V 0.24µA @ 3V 0.25µA @ 3V 0.25µA ~ 0.27µA @ 3V ~ 5V 0.25µA ~ 0.45µA @ 3V ~ 5V 0.29µA ~ 0.33µA @ 1.8V ~ 3V 0.32µA ~ 0.35µA @ 3V ~ 5V 0.33µA @ 3V 0.33µA ~ 0.38µA @ 2V ~ 5V 0.33µA ~ 0.39µA @ 1.6V ~ 3.6V 0.35µA @ 3V 0.35µA ~ 0.4µA @ 2V ~ 5V 0.3µA @ 1.3V ~ 1.8V 0.3µA ~ 1µA @ 2V ~ 5V 0.45µA @ 2.5V ~ 5.5V 0.45µA ~ 0.55µA @ 2V ~ 5V 0.4µA @ 1.6V ~ 5.5V 0.4µA @ 3V 0.4µA @ 5V 0.4µA ~ 0.95µA @ 1V ~ 4.4V 0.55µA ~ 0.6µA @ 3V ~ 5V 0.5mA @ 2.7V ~ 3.6V 0.5µA @ 1.7V ~ 5.5V 0.5µA @ 2V ~ 5V 0.5µA @ 3V 0.5µA @ 4.5V ~ 5.5V 0.5µA @ 5V 0.5µA ~ 0.52µA @ 3V ~ 5V 0.5µA ~ 0.6µA @ 3V ~ 5V 0.5µA ~ 1µA @ 3V ~ 5V 0.63µA ~ 1.7µA 0.65µA @ 1.8V 0.65µA ~ 0.7µA @ 3V ~ 5V 0.65µA ~ 0.85µA @ 3V ~ 5V 0.65µA ~ 0.8µA @ 2V ~ 5V 0.6µA @ 1.3V ~ 1.8V 0.6µA @ 3.3V 0.6µA ~ 0.75µA @ 2V ~ 5V 0.6µA ~ 0.7µA @ 3V ~ 5V 0.6µA ~ 14µA @ 3V ~ 5V 0.7µA @ 1.7V ~ 3.6V 0.7µA ~ 0.8µA @ 2V ~ 5V 0.7µA ~ 0.8µA @ 3V ~ 5V 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V 0.7µA ~ 0.9µA @ 3V ~ 5V 0.85µA ~ 0.9µA @ 3V ~ 5V 0.885µA @ 3.3V 0.8µA @ 1.2V ~ 1.8V 0.8µA @ 1.3V ~ 1.8V 0.8µA @ 2.4V ~ 5.5V 0.8µA @ 3V 0.8µA @ 5V 0.8µA ~ 1.2µA @ 3V ~ 5V 0.93µA ~ 1.1µA @ 3V ~ 5V 0.95µA ~ 1µA @ 3V ~ 5V 0.9µA @ 3V 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V 0.9µA ~ 1.8µA @ 2V ~ 5V 0.9µA ~ 2µA @ 3V ~ 6V 1.05µA ~ 4.2µA @ 2V ~ 5V 1.1mA @ 3.3V 1.2µA (Typ) @ 3.3V 1.2µA @ 3.3V 1.2µA ~ 1.8µA @ 3V ~ 5V 1.2µA ~ 31µA @ 3V ~ 5.5V 1.2µA ~ 5µA @ 2V ~ 5V 1.3mA @ 5V 1.3µA @ 1.7V ~ 5.5V 1.4mA @ 2.7V ~ 3.6V 1.4mA @ 2.7V ~ 5.5V 1.4µA ~ 1.5µA @ 3V ~ 5V 1.5mA (Typ) @ 2.7 V ~ 3.6 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 1.5mA @ 4.5V ~ 5.5V 1.5µA @ 3.3V 1.5µA @ 3V 1.5µA @ 5V 1.5µA ~ 1.6µA @ 3V ~ 5V 1.5µA ~ 2.2µA @ 1.4V ~ 5V 1.6µA ~ 2µA @ 3V ~ 5V 1.8µA @ 2V ~ 5V 1.8µA @ 5V 1.8µA ~ 2µA @ 3V ~ 5V 1.8µA ~ 3µA @ 2V ~ 5V 100µA (Typ) @ 2.7V ~ 5.5V 100µA (Typ) @ 4.5V ~ 5.5V 100µA @ 1.71V ~ 1.89V 100µA @ 1.89V 100µA @ 2.2V 100µA @ 2.7V ~ 5.5V 100µA @ 200µA @ 1.89V ~ 5.5V 100µA @ 2V ~ 5.5V 100µA @ 3.3V 100µA @ 3V 10mA @ 5V 10µA @ 5.5V 10µA @ 5V 10µA ~ 15µA @ 3V ~ 5V 10µA ~ 20µA @ 2.7V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5V 10µA ~ 50µA @ 1V ~ 5V 110µA @ 3.63V 110µA ~ 170µA @ 3.63V ~ 5.5V 120µA ~ 1.8µA @ 3V ~ 5V 120µA ~ 160µA @ 3.3V ~ 5.5V 120µA ~ 160µA @ 3.63V ~ 5.5V 125µA @ 2.7V ~ 3.3V 125µA @ 2.7V ~ 5.5V 125µA @ 3.3V 125µA ~ 200µA @ 3.63V ~ 5.5V 125µA ~ 200µA @ 3V ~ 5.5V 130µA ~ 200µA @ 3.63V ~ 5.5V 14.3mA @ 3V ~ 3.6V 140µA @ 2.7V ~ 3.3V 14µA ~ 15µA @ 3V ~ 5V 14µA ~ 30µA @ 3V ~ 5V 150µA @ 1.5V ~ 5.5V 150µA @ 2.97V ~ 3.63V 150µA @ 3.3V 150µA @ 3V ~ 3.6V 150µA @ 5.5V 15mA @ 4.5V ~ 5.5V 15µA @ 3V 15µA @ 5.5V 15µA @ 5V 175µA @ 2.3V ~ 4.5V 175µA @ 2.97V ~ 5.5V 18µA @ 5.5V 1mA @ 4.5V ~ 5.5V 1µA @ 1.8V ~ 3.6V 1µA @ 1.8V ~ 5.5V 1µA @ 3V 1µA @ 3V ~ 5V 1µA @ 5.5V 1µA @ 5V 1µA ~ 1.35µA @ 3V ~ 5.5V 1µA ~ 1.8µA @ 3V ~ 5V 1µA ~ 2µA @ 3V ~ 5V 1µA ~ 3µA @ 2V ~ 5V 2.1µA ~ 3.4µA @ 3V ~ 5V 2.4µA ~ 31µA @ 2V ~ 5.5V 2.5mA @ 4.5V ~ 5.5V 2.5µA @ 3V 2.8µA ~ 3.4µA @ 3V ~ 5V 200µA @ 1.71V ~ 5.5V 200µA @ 10V 200µA @ 3.3V 200µA @ 3.63V ~ 5.5V 200µA @ 5.5V 200µA @ 5V 20µA @ 5V 20µA ~ 500µA @ 5V 210nA @ 3V 25.3µA ~ 81µA @ 2V ~ 5V 250µA @ 3V ~ 5.5V 270µA @ 4.5V ~ 5.5V 2mA @ 2.7V ~ 3.6V 2mA @ 2.7V ~ 3.7V 2mA @ 2.97V ~ 3.63V 2mA @ 3.3V 2mA @ 3V 2mA @ 3V ~ 3.6V 2mA @ 3V, 3mA @ 5V 2mA @ 4.5V ~ 5.5V 2mA @ 4.75V ~ 5.5V 2µA @ 3.3V 2µA @ 3V 2µA @ 5.5V 30.3µA @ 2V ~ 5V 300µA @ 5V 3mA @ 3V ~ 3.6V 3mA @ 4.5V ~ 5.5V 3mA @ 4.75V ~ 5.5V 3mA @ 4.7V ~ 5.5V 3mA @ 5V 3µA 3µA @ 3V 3µA @ 5V 3µA ~ 3.5µA @ 3V ~ 5.5V 4.6µA ~ 5.5µA @ 1.4V ~ 5V 4.9µA ~ 5.1µA @ 3V ~ 5V 420nA ~ 610nA @ 1.6V ~ 5.5V 4mA @ 3.3V 4mA @ 3V ~ 3.6V 4mA @ 4.5 V ~ 5.5 V 4mA @ 4.5V ~ 5.5V 4mA @ 5V 4µA ~ 15µA @ 2V ~ 5V 4µA ~ 15µA @ 3V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V 4µA ~ 7µA @ 3V ~ 5V 5.5µA ~ 6.5µA @ 3V ~ 5V 500nA @ 3V 500µA @ 2.2V 500µA @ 3.3V 500µA @ 3.63V 500µA @ 5V 50µA @ 5V 50µA ~ 3mA @ 3V ~ 5V 5mA @ 4.5V ~ 5.5V 5mA @ 5V 5µA @ 3.63V ~ 5.5V 5µA ~ 10µA @ 2V ~ 5V 60nA @ 3V 65µA @ 3.3V 6mA @ 2.2 V ~ 5.8 V 6mA @ 5V 70µA @ 1.5V ~ 5.5V 70µA @ 2.7V ~ 5.5V 70µA @ 2V ~ 5.5V 770nA ~ 2.135µA @ 1.2V ~ 5.5V 7mA @ 3.3V 7mA @ 5V 7µA @ 5V 8µA ~ 14µA @ 3V ~ 5V 8µA ~ 15µA @ 2V ~ 5V	- -10°C ~ 70°C -20°C ~ 70°C -25°C ~ 70°C -30°C ~ 70°C -30°C ~ 80°C -40°C ~ 105°C -40°C ~ 105°C (TA) -40°C ~ 125°C -40°C ~ 125°C (TA) -40°C ~ 85°C -40°C ~ 85°C (TA) 0°C ~ 70°C 0°C ~ 70°C (TA)	- Surface Mount Surface Mount, Wettable Flank 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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Packaging	Series	ProductStatus	Type	Features	MemorySize	TimeFormat	DateFormat	Interface	Voltage-Supply	Voltage-SupplyBattery	Current-Timekeeping(Max)	OperatingTemperature	MountingType
DS3231S# IC RTC CLK/CALENDAR I2C 16-SOIC Analog Devices Inc./Maxim Integrated	2,040	10.92	RFQ	Datasheet	16-SOIC (0.295, 7.50mm Width)	Tube	-	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	0°C ~ 70°C	Surface Mount
RX-8803LC:UA3 PURE SN IC RTC CLK/CALENDAR I2C 12-VSOJ Epson	2,830	16.38	RFQ	Datasheet	12-TFSOJ (0.094, 2.40mm Width)	Tape & Reel (TR),Cut Tape (CT)	RX-8803LC	Active	Clock/Calendar	Alarm	-	-	YY-MM-DD	I²C, 2-Wire Serial	1.6V ~ 5.5V	-	2.1µA ~ 3.4µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount
DS1501YZN+ IC RTC CLK/CALENDAR PAR 28-SOIC Analog Devices Inc./Maxim Integrated	2,031	13.84	RFQ	Datasheet	28-SOIC (0.295, 7.50mm Width)	Tube	-	Active	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	-40°C ~ 85°C	Surface Mount
M48T18-100PC1 IC RTC CLK/CALENDAR PAR 28DIP STMicroelectronics	3,667	28.16	RFQ	Datasheet	28-DIP Module (0.600, 15.24mm)	Tube	Timekeeper®	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	Through Hole
DS1554WP-120IND+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	2,240	32.96	RFQ	Datasheet	34-PowerCap™ Module	Tray	-	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	3V	4mA @ 3.3V	-40°C ~ 85°C	Surface Mount
DS1746WP-120+ IC RTC CLK/CALENDAR PAR 34-PCM Analog Devices Inc./Maxim Integrated	2,197	36.50	RFQ	Datasheet	34-PowerCap™ Module	Tray	-	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97V ~ 3.63V	3V	2mA @ 3.3V	0°C ~ 70°C	Surface Mount
BQ32002DR IC RTC CLK/CALENDAR I2C 8-SOIC Texas Instruments	2,268	1.00	RFQ	Datasheet	8-SOIC (0.154, 3.90mm Width)	Tape & Reel (TR),Cut Tape (CT),Bulk	-	Active	Clock/Calendar	Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3V ~ 3.6V	1.4V ~ 3.6V	65µA @ 3.3V	-40°C ~ 85°C	Surface Mount
MCP7940MT-I/SN IC RTC CLK/CALENDAR I2C 8-SOIC Microchip Technology	2,750	0.68	RFQ	Datasheet	8-SOIC (0.154, 3.90mm Width)	Tape & Reel (TR),Cut Tape (CT)	-	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	-	1µA @ 5.5V	-40°C ~ 85°C	Surface Mount
MCP7940MT-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	2,944	0.72	RFQ	Datasheet	8-TSSOP (0.173, 4.40mm Width)	Tape & Reel (TR),Cut Tape (CT)	-	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	-	1µA @ 5.5V	-40°C ~ 85°C	Surface Mount
MCP7940M-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	2,470	0.72	RFQ	Datasheet	8-TSSOP (0.173, 4.40mm Width)	Tube	-	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	-	1µA @ 5.5V	-40°C ~ 85°C	Surface Mount
PCF85263AUKZ IC RTC/CAL ALM I2C WLCSP NXP USA Inc.	40,000	1.57	RFQ	Datasheet	12-XFBGA, WLCSP	Tape & Reel (TR),Cut Tape (CT)	-	Active	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I²C	0.9V ~ 5.5V, 1.8V ~ 5.5V	0.9V ~ 5.5V	0.885µA @ 3.3V	-40°C ~ 85°C (TA)	Surface Mount
PCF8563TS/5,118 IC RTC CLK/CALENDAR I2C 8-TSSOP NXP USA Inc.	3,519	1.69	RFQ	Datasheet	8-TSSOP, 8-MSOP (0.118, 3.00mm Width)	Tape & Reel (TR),Cut Tape (CT)	-	Active	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	-	0.6µA ~ 0.75µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount
RV5C348B-E2-F IC REAL TIME CLOCK 4 WIRE SERIAL Nisshinbo Micro Devices Inc.	2,185	1.75	RFQ	Datasheet	10-LFSOP, 10-MSOP (0.110, 2.80mm Width)	Tape & Reel (TR),Cut Tape (CT)	-	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	4-Wire Serial	2V ~ 5.5V	-	1µA @ 3V	-40°C ~ 85°C	Surface Mount
R2051S01-E2-F I2C-BUS REAL-TIME CLOCK MODULE Nisshinbo Micro Devices Inc.	2,366	1.84	RFQ	Datasheet	16-LSSOP (0.173, 4.40mm Width)	Tape & Reel (TR),Cut Tape (CT)	-	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.34V ~ 5.5V	-	1µA @ 3V	-40°C ~ 85°C	Surface Mount
MCP7940N-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	3,276	0.92	RFQ	Datasheet	8-TSSOP (0.173, 4.40mm Width)	Tube	Automotive, AEC-Q100	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	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 @ 3.3V	-40°C ~ 85°C	Surface Mount
MCP7940NT-E/SN IC RTC CLK/CALENDAR I2C 8-SOIC Microchip Technology	3,280	0.93	RFQ	Datasheet	8-SOIC (0.154, 3.90mm Width)	Tape & Reel (TR),Cut Tape (CT)	Automotive, AEC-Q100	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	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 @ 3.3V	-40°C ~ 125°C	Surface Mount
MCP7940N-E/MS IC RTC CLK/CALENDAR I2C 8-MSOP Microchip Technology	2,574	0.98	RFQ	Datasheet	8-TSSOP, 8-MSOP (0.118, 3.00mm Width)	Tube	Automotive, AEC-Q100	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	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 @ 3.3V	-40°C ~ 125°C	Surface Mount
MCP79400-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	3,030	1.01	RFQ	Datasheet	8-TSSOP (0.173, 4.40mm Width)	Tube	-	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
MCP79401-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	3,427	1.10	RFQ	Datasheet	8-TSSOP (0.173, 4.40mm Width)	Tube	-	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
MCP79402-I/ST IC RTC CLK/CALENDAR I2C 8-TSSOP Microchip Technology	2,045	1.10	RFQ	Datasheet	8-TSSOP (0.173, 4.40mm Width)	Tube	-	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