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Clock/Timing - Real Time Clocks

2,356 products
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
MCP79411T-I/SN
IC RTC CLK/CALENDAR I2C 8-SOIC
Microchip Technology
5,030 1.14000 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-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1511Y+
IC RTC CLK/CALENDAR PAR 28-EDIP
Analog Devices Inc./Maxim Integrated
108 21.50000 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 0°C ~ 70°C Through Hole 28-DIP Module (0.600", 15.24mm) 28-EDIP Details
PT7C4563BWEX
IC RTC I2C SER 8SOIC T&R 2.5K
Diodes Incorporated
2,494 0.90000 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-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1556W-120
IC RTC CLK/CALENDAR PAR 32-EDIP
Analog Devices Inc./Maxim Integrated
53 27.55000 Obsolete Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 4mA @ 3.3V 0°C ~ 70°C Through Hole 32-DIP Module (0.600", 15.24mm) 32-EDIP Details
PCF8593T/1,118
IC RTC CLK/CALENDAR I2C 8-SOIC
NXP USA Inc.
6,433 3.95000 Active Clock/Calendar Alarm, NVSRAM 8B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.5V ~ 6V - 8µA ~ 15µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SO Details
DS17285S-3NT
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
1,000 5.39000 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.7V -40°C ~ 85°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
M41T83RMY6F
IC RTC CLK/CALENDAR I2C 18-SOX
STMicroelectronics
9,684 6.25000 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 2.7V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount 18-SOX, 18-SOIC with Crystal (7.5mm Width) 18-SOX Details
DS1338Z-18
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
3,228 1.87000 Obsolete Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.71V ~ 5.5V 1.3V ~ 3.7V 100µA @ 1.89V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1687-5IND+
IC RTC CLK/CALENDAR PAR 24-EDIP
Analog Devices Inc./Maxim Integrated
9 18.63000 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 -40°C ~ 85°C Through Hole 24-DIP Module (0.600", 15.24mm) 24-EDIP Details
DS1501WZ+
IC RTC CLK/CALENDAR PAR 28-SOIC
Analog Devices Inc./Maxim Integrated
1,334 9.73090 Active 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 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC Details
MCP79412-I/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
350 1.19000 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
ISL12023IVZ
RTC, NON-VOLATILE
Intersil
3,788 3.87000 Obsolete 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 14-TSSOP (0.173", 4.40mm Width) 14-TSSOP Details
CBC92132C-Q3-TR3
POWER MANAGER / RTC 3.2V VBAT
Cymbet Corporation
4,561 1.67000 Active Clock/Calendar Alarm, Backup Supply Charger, Leap Year, RAM 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I²C 2.5V ~ 5.5V 3.2V 0.05µA @ 2.5V ~ 5.5V -40°C ~ 85°C Surface Mount 16-UFQFN Exposed Pad 16-MLPQ (3x3) Details
RS5C372A-E2-F
IC REAL TIME CLOCK 2 WIRE
Nisshinbo Micro Devices Inc.
3,404 1.75000 Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.7V ~ 6V - 0.9µA ~ 2µA @ 3V ~ 6V -40°C ~ 85°C Surface Mount 8-LSSOP (0.173", 4.40mm Width) 8-SSOP Details
M41T80M6F
IC RTC CLK/CALENDAR I2C 8-SOIC
STMicroelectronics
8,869 3.15000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2V ~ 5.5V - 2.4µA ~ 31µA @ 2V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
ISL12026IBZ-T
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
7,530 4.44000 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
PCF8583T/5,518
IC RTC CLK/CALENDAR I2C 8-SOIC
NXP USA Inc.
5,666 3.81000 Active Clock/Calendar Alarm, NVSRAM, Square Wave Output 240B HH:MM:SS:hh (12/24 hr) YY-MM-DD I²C, 2-Wire Serial 2.5V ~ 6V - 10µA ~ 50µA @ 1V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.295", 7.50mm Width) 8-SO Details
ISL12058IUZ
IC RTC CLK/CALENDAR I2C 8-MSOP
Renesas Electronics America Inc
2,566 1.73680 Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
ISL12022MIBZ-T
IC RTC/CALENDAR TEMP SNSR 20SOIC
Renesas Electronics America Inc
1,335 7.79000 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 20-SOIC (0.295", 7.50mm Width) 20-SOIC Details
DS1685EN-5+T&R
IC RTC CLK/CALENDAR PAR 24-TSSOP
Analog Devices Inc./Maxim Integrated
2,162 5.17500 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 -40°C ~ 85°C Surface Mount 24-TSSOP (0.173", 4.40mm Width) 24-TSSOP Details
DS17285S-5+TR
DS17285 REAL-TIME CLOCK
Analog Devices Inc./Maxim Integrated
680 5.39000 Active - - - - - - - - - - - - - Details
RV-2123-C2-32.768KHZ-10PPM-TA-QC
IC RTC CLK/CALENDAR SPI 10SON
Micro Crystal AG
9,989 3.06450 Active Clock/Calendar Alarm, Leap Year, Programmable Clock Output, Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 4-Wire Serial 1.1V ~ 5.5V - 0.18µA @ 3V -40°C ~ 85°C (TA) Surface Mount 10-TCDFN Exposed Pad 10-SON (5x3.2) Details
MCP7940NT-I/ST
IC RTC CLK/CALENDAR I2C 8-TSSOP
Microchip Technology
6,720 0.92000 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 1.5V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP Details
BQ4832YMA-85
IC RTC CLK/CALENDAR PAR 32-DIP
Texas Instruments
331 39.49000 Obsolete Clock/Calendar Alarm, Supervisor, Watchdog Timer - HH:MM:SS:hh (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 4mA @ 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 32-DIP Module (0.610", 15.49mm) 32-DIP Module (18.42x42.8) Details

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