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
DS1302S+T&R DS1302S+T&R
IC RTC CLK/CALENDAR SER 8-SOIC
Analog Devices Inc./Maxim Integrated
1,776 4.85000 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 0°C ~ 70°C Surface Mount 8-SOIC (0.209", 5.30mm Width) 8-SOIC Details
DS1305EN/T&R DS1305EN/T&R
IC RTC CLK/CALENDAR SPI 20-TSSOP
Analog Devices Inc./Maxim Integrated
1,862 2.95000 Obsolete 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 Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP Details
MCP7940MT-I/SN MCP7940MT-I/SN
IC RTC CLK/CALENDAR I2C 8-SOIC
Microchip Technology
7,420 0.67000 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 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
MCP795W10-I/ST MCP795W10-I/ST
IC RTC CLK/CALENDAR SPI 14-TSSOP
Microchip Technology
8,098 1.82000 Active Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, 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-TSSOP (0.173", 4.40mm Width) 14-TSSOP Details
S-35390A-I8T1U S-35390A-I8T1U
IC RTC CLK/CALENDAR I2C SNT-8A
ABLIC Inc.
1,387 1.47000 Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V - 0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SMD, Flat Lead SNT-8A Details
1338-31DCGI8 1338-31DCGI8
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
2,749 3.67000 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3.3V ~ 5.5V 1.3V ~ 3.7V 5µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1344D-33+ DS1344D-33+
IC RTC CLK/CAL SPI 14TDFN
Analog Devices Inc./Maxim Integrated
8,565 4.72410 Active Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 3V ~ 5.5V 1.3V ~ 5.5V 120µA ~ 160µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 14-WFDFN Exposed Pad 14-TDFN (3x3) Details
M48T58-70PC1 M48T58-70PC1
IC RTC CLK/CALENDAR PAR 28DIP
STMicroelectronics
30 41.67000 Active Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.75V ~ 5.5V 0°C ~ 70°C Through Hole 28-DIP Module (0.600", 15.24mm) 28-PCDIP, CAPHAT® Details
R2043T-E2-F R2043T-E2-F
SERIAL INTERFACE REALTIME CLOCK
Nisshinbo Micro Devices Inc.
6,404 1.45000 Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd 4-Wire Serial 1.7V ~ 5.5V - 1µA @ 3V -40°C ~ 85°C Surface Mount 10-VFSOP, 10-MSOP (0.110", 2.80mm Width) 10-TSSOPG Details
DS14285N+ DS14285N+
IC RTC CLK/CALENDAR PAR 24-DIP
Analog Devices Inc./Maxim Integrated
2,822 5.35000 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 -40°C ~ 85°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP Details
ISL12025IVZ-T ISL12025IVZ-T
RTC, NON-VOLATILE
Intersil
11,777 4.71000 Obsolete Clock/Calendar Alarm, Leap Year, Supervisor, Unique ID, 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 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP Details
DS1391U-3+T&R DS1391U-3+T&R
IC RTC CLK/CALENDAR SPI 10-USOP
Analog Devices Inc./Maxim Integrated
2,919 2.93722 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 2.7V ~ 3.3V 1.3V ~ 3.7V 125µA @ 2.7V ~ 3.3V -40°C ~ 85°C Surface Mount 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-uMAX/uSOP Details
DS1338Z-33+T&R DS1338Z-33+T&R
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
6,557 5.29000 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 125µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
M41T11MH6F M41T11MH6F
IC RTC CLK/CALENDAR I2C 28-SOIC
STMicroelectronics
6,227 8.93000 Active Clock/Calendar Leap Year, NVSRAM 56B HH:MM:SS YY-MM-DD-dd I²C, 2-Wire Serial 2V ~ 5.5V 2.5V ~ 3.5V 70µA @ 2V ~ 5.5V -40°C ~ 85°C Surface Mount 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets 28-SOH Details
DS17885SN-5 DS17885SN-5
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
3,755 9.57500 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB 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
DS1393U-18+ DS1393U-18+
IC RTC CLK/CALENDAR SER 10-USOP
Analog Devices Inc./Maxim Integrated
400 2.97000 Obsolete - - - - - - - - - - - - - Details
DS1341U+T&R DS1341U+T&R
IC RTC CLK/CALENDAR I2C 8-USOP
Analog Devices Inc./Maxim Integrated
1,259 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 - 0.5µA ~ 0.6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
DS1340Z-18+ DS1340Z-18+
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
5,765 5.47000 Active Clock/Calendar Leap Year, Trickle-Charger - HH:MM:SS (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
DS3231MZ+ DS3231MZ+
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
6,839 11.59000 Active 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
DS1386P-8-120 DS1386P-8-120
IC RTC CLK/CALENDAR PAR 34-PCM
Analog Devices Inc./Maxim Integrated
10,665 18.92000 Obsolete Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer 8KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 5V 0°C ~ 70°C Surface Mount 34-PowerCap™ Module 34-PowerCap Module Details
DS12885N+ DS12885N+
IC RTC CLK/CALENDAR PAR 24-DIP
Analog Devices Inc./Maxim Integrated
83 11.82000 Active 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 ~ 4V 15mA @ 4.5V ~ 5.5V -40°C ~ 85°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP Details
PCF2123BS/1,512 PCF2123BS/1,512
IC RTC CLK/CALENDAR SPI 16-HVQFN
NXP USA Inc.
8,748 0.49000 Discontinued at Digi-Key Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 1.6V ~ 5.5V - 0.33µA ~ 0.38µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 16-VFQFN Exposed Pad 16-HVQFN (3x3) Details
DS1673E-5+ DS1673E-5+
IC RTC SYSTEM CTRLR SER 20-TSSOP
Analog Devices Inc./Maxim Integrated
5,886 13.79000 Active Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.7V 300µA @ 5V 0°C ~ 70°C Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP Details
MCP79411T-I/MS MCP79411T-I/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
2,992 1.03000 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

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