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
DS17885S-5+ DS17885S-5+
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
6,082 28.93000 Active 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 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
BQ4845P-A4 BQ4845P-A4
IC RTC CLK/CALENDAR PAR 28-DIP
Texas Instruments
7,042 4.00000 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 28-DIP (0.600", 15.24mm) 28-PDIP Details
PT7C4339WEX PT7C4339WEX
IC RTC CAL I2C/2-WIRE SER 8SOIC
Diodes Incorporated
4,486 1.18000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 250µA @ 3V ~ 5.5V -40°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1672U-33 DS1672U-33
IC RTC BINARY CNT I2C 8-USOP
Analog Devices Inc./Maxim Integrated
17,158 1.60000 Obsolete Binary Counter Trickle-Charger - Binary Binary I²C, 2-Wire Serial 2.97V ~ 3.63V 1.3V ~ 3.63V 500µA @ 3.63V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
RV-3149-C3-32.768KHZ-OPTION-B-TA-QC RV-3149-C3-32.768KHZ-OPTION-B-TA-QC
IC RTC CLK/CALENDAR SPI 10SON
Micro Crystal AG
819 3.87000 Active Clock/Calendar Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger 2B, 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 4-Wire Serial 1.3V ~ 5.5V - 1µA @ 3V -40°C ~ 85°C (TA) Surface Mount 10-VCDFN 10-SON (3.7x2.5) Details
DS12885SN+ DS12885SN+
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
8,341 13.45000 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 Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
DS1307ZN+ DS1307ZN+
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
4,711 5.96000 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5V ~ 5.5V 2V ~ 3.5V 200µA @ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1554WP-120IND+ DS1554WP-120IND+
IC RTC CLK/CALENDAR PAR 34-PCM
Analog Devices Inc./Maxim Integrated
7,065 36.89000 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 34-PowerCap™ Module 34-PowerCap Module Details
DS1315S-33+ DS1315S-33+
IC RTC PHANTOM PAR 16-SOIC
Analog Devices Inc./Maxim Integrated
9,456 29.23000 Active Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 1.1mA @ 3.3V 0°C ~ 70°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC Details
MCP795W22T-I/SL MCP795W22T-I/SL
IC RTC CLK/CALENDAR SPI 14-SOIC
Microchip Technology
5,942 1.71250 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
ISL12058IBZ ISL12058IBZ
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
7,379 2.73000 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-SOIC (0.154", 3.90mm Width) 8-SOIC Details
MCP7940N-E/MS MCP7940N-E/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
4,957 0.97000 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 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
BQ4845YS-A4N BQ4845YS-A4N
IC RTC CLK/CALENDAR PAR 28-SOIC
Texas Instruments
10,509 4.95000 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC Details
M48T37V-10MH1F M48T37V-10MH1F
IC RTC CLK/CALENDAR PAR 44-SOH
STMicroelectronics
5,041 23.18000 Active Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V - 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT 44-SOH Details
ISL12022MAIBZ-T ISL12022MAIBZ-T
IC RTC CLK/CALENDAR I2C 20-SOIC
Renesas Electronics America Inc
2,514 7.23000 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
M48T02-150PC1 M48T02-150PC1
IC RTC CLK/CALENDAR PAR 24DIP
STMicroelectronics
8,460 26.43000 Active Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.7V ~ 5.5V 0°C ~ 70°C Through Hole 24-DIP Module (0.600", 15.24mm) 24-PCDIP, CAPHAT® Details
MCP79410-I/ST MCP79410-I/ST
IC RTC CLK/CALENDAR I2C 8-TSSOP
Microchip Technology
3,838 1.08000 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 (0.173", 4.40mm Width) 8-TSSOP Details
DS1337U+T&R DS1337U+T&R
IC RTC CLK/CALENDAR I2C 8-USOP
Analog Devices Inc./Maxim Integrated
4,024 3.83000 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 @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
DS1747WP-120IND+ DS1747WP-120IND+
IC RTC CLK/CALENDAR PAR 34-PCM
Analog Devices Inc./Maxim Integrated
4,009 65.12000 Active Clock/Calendar Leap Year, NVSRAM, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 2mA @ 3.3V -40°C ~ 85°C Surface Mount 34-PowerCap™ Module 34-PowerCap Module Details
RV-8564-C3-32.768KHZ-20PPM-TA-QC RV-8564-C3-32.768KHZ-20PPM-TA-QC
IC RTC CLK/CALENDAR I2C 10SON
Micro Crystal AG
1 4.59000 Active Clock/Calendar Alarm, Leap Year, Programmable Clock Output, Timer - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1V ~ 5.5V - 0.35µA @ 3V -40°C ~ 85°C (TA) Surface Mount 10-VCDFN 10-SON (3.7x2.5) Details
DS1557P-70IND+ DS1557P-70IND+
IC RTC CLK/CALENDAR PAR 34-PCM
Analog Devices Inc./Maxim Integrated
3,984 64.71050 Active Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 6mA @ 5V -40°C ~ 85°C Surface Mount 34-PowerCap™ Module 34-PowerCap Module Details
M41T11M6F M41T11M6F
IC RTC CLK/CALENDAR I2C 8-SOIC
STMicroelectronics
6,902 3.25000 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 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1305EN+T&R DS1305EN+T&R
IC RTC CLK/CALENDAR SPI 20-TSSOP
Analog Devices Inc./Maxim Integrated
1,932 8.28000 Active 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
MCP795W11-I/ST MCP795W11-I/ST
IC RTC CLK/CALENDAR SPI 14-TSSOP
Microchip Technology
408 1.89000 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-TSSOP (0.173", 4.40mm Width) 14-TSSOP Details

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