Clock/Timing - Real Time Clocks

1,966 parts
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
DS1743P-70+ DS1743P-70+
IC RTC CLK/CALENDAR PAR 34-PCM
Analog Devices Inc./Maxim Integrated
363 15.12000 Obsolete Clock/Calendar Leap Year, NVSRAM, Y2K 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 5V 0°C ~ 70°C Surface Mount 34-PowerCap™ Module 34-PowerCap Module Details
ISL12032IVZ-T ISL12032IVZ-T
RTC, NON-VOLATILE
Intersil
2,500 3.35000 Obsolete Time Event Recorder Alarm, SRAM, Trickle-Charger 128B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 18µA @ 5.5V -40°C ~ 85°C Surface Mount 14-TSSOP (0.173", 4.40mm Width) 14-TSSOP Details
MAX31329ELB+ MAX31329ELB+
INTEGRATED RC17 W/ QST CRYSTAL
Analog Devices Inc./Maxim Integrated
3,194 3.92000 Active Clock/Calendar Alarm, Leap Year, RAM, Trickle Charger 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C 1.6V ~ 5.5V 1.6V ~ 5.5V 420nA ~ 610nA @ 1.6V ~ 5.5V -40°C ~ 85°C Surface Mount 10-LLGA 10-LGA (5x5) Details
M41T82ZM6F M41T82ZM6F
IC RTC CLK/CALENDAR I2C 8-SOIC
STMicroelectronics
7,260 3.27000 Active Clock/Calendar Alarm, Leap Year, SRAM, Watchdog Timer 7B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.38V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1687-5+ DS1687-5+
IC RTC CLK/CALENDAR PAR 24-EDIP
Analog Devices Inc./Maxim Integrated
8,763 22.53000 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 Through Hole 24-DIP Module (0.600", 15.24mm) 24-EDIP Details
M41T0M6F M41T0M6F
IC RTC CLK/CALENDAR I2C 8-SOIC
STMicroelectronics
5,000 3.63000 Active Clock/Calendar - - HH:MM:SS YY-MM-DD-dd I²C, 2-Wire Serial 2V ~ 5.5V - 1.2µA ~ 31µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
MCP79520T-I/MN MCP79520T-I/MN
IC RTC CLK/CALENDAR SPI 10-TDFN
Microchip Technology
6,225 1.22001 Active Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 3.6V -40°C ~ 85°C Surface Mount 10-WFDFN Exposed Pad 10-TDFN (3x3) Details
MCP795W11-I/SL MCP795W11-I/SL
IC RTC CLK/CALENDAR SPI 14-SOIC
Microchip Technology
2 1.62000 Active Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 5.5V -40°C ~ 85°C Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC Details
DS1302ZN+T&R DS1302ZN+T&R
IC RTC CLK/CALENDAR SER 8-SOIC
Analog Devices Inc./Maxim Integrated
5,732 5.14000 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
ISL12030IBZ ISL12030IBZ
RTC, VOLATILE
Intersil
970 2.19000 Obsolete Clock/Calendar Alarm, Daylight Savings, SRAM 128B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V - 18µA @ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1746W-120IND+ DS1746W-120IND+
IC RTC CLK/CALENDAR PAR 32-EDIP
Analog Devices Inc./Maxim Integrated
5,128 58.80000 Active Clock/Calendar Leap Year, NVSRAM, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 2mA @ 3.3V -40°C ~ 85°C Through Hole 32-DIP Module (0.600", 15.24mm) 32-EDIP Details
DS17285SN-5+ DS17285SN-5+
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
9,014 16.15000 Active Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
DS1251W-120IND+ DS1251W-120IND+
IC RTC PHANTOM PAR 32-DIP
Analog Devices Inc./Maxim Integrated
8,589 62.47000 Active Phantom Time Chip Leap Year, NVSRAM 512KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 7mA @ 3.3V -40°C ~ 85°C Through Hole 32-DIP Module (0.600", 15.24mm) 32-EDIP Details
DS1375T+T&R DS1375T+T&R
IC RTC CLK/CALENDAR I2C 6-TDFN
Analog Devices Inc./Maxim Integrated
4,707 2.32000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output 16B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.7V ~ 5.5V - 0.5µA @ 1.7V ~ 5.5V -40°C ~ 85°C Surface Mount 6-WDFN Exposed Pad 6-TDFN (3x3) Details
M41T83SQA6F M41T83SQA6F
IC RTC CLK/CALENDAR I2C 16-QFN
STMicroelectronics
2,000 3.84000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 7B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount 16-VQFN Exposed Pad 16-QFN (4x4) Details
DS1501WN+ DS1501WN+
IC RTC CLK/CALENDAR PAR 28-DIP
Analog Devices Inc./Maxim Integrated
1,820 6.67000 Obsolete Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V -40°C ~ 85°C Through Hole 28-DIP (0.600", 15.24mm) 28-PDIP Details
ISL12022IBZ-T ISL12022IBZ-T
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
4,462 2.88547 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 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS14285+ DS14285+
IC RTC CLK/CALENDAR PAR 24-DIP
Analog Devices Inc./Maxim Integrated
1,610 4.87000 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.6V 0.5µA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP Details
MCP79411-I/MS MCP79411-I/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
3,901 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, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
DS3231MZ/V+T DS3231MZ/V+T
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
9,715 10.45000 Not For New Designs Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3V ~ 5.5V 2.3V ~ 5.5V 130µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
ISL1219IUZ-T ISL1219IUZ-T
IC RTC EVENT REC I2C 10-MSOP
Renesas Electronics America Inc
6,377 2.12694 Active Time Event Recorder Alarm, Leap Year, SRAM 2B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-MSOP Details
M48T201Y-70MH1F M48T201Y-70MH1F
IC RTC CLK/CALENDAR PAR 44-SOH
STMicroelectronics
1,409 15.33000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT 44-SOH Details
MCP7940NT-I/MS MCP7940NT-I/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
9,836 0.90000 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 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
DS1342U+T&R DS1342U+T&R
IC RTC CLK/CALENDAR I2C 8-USOP
Analog Devices Inc./Maxim Integrated
19,299 3.92000 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 ~ 0.7µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details

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