Product Index > Integrated Circuits (ICs) > Clock/Timing - Real Time Clocks

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Manufacturer Packaging Series Part 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
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Compare Parts Datasheets Image Digi-Key Part Number Manufacturer Part Number Manufacturer Description Quantity Available
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Packaging Series Part 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
   
RX-8564LC:B3 PURE SN Datasheet RX-8564LC:B3 PURE SN - EPSON SER3779DKR-ND IC RTC CLK/CALENDAR I2C 12-VSOJ 7,276 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year
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HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 5.5 V
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0.65µA ~ 0.8µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 12-TFSOJ (0.094", 2.40mm Width) 12-VSOJ
DS1307ZN+ Datasheet DS1307ZN+ - Maxim Integrated DS1307ZN+-ND IC RTC CLK/CALENDAR I2C 8-SOIC 7,670 - Immediate
3.71000 1 Tube?
Alternate Packaging
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Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5 V ~ 5.5 V 2 V ~ 3.5 V 200µA @ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
M41ST87WMX6TR Datasheet M41ST87WMX6TR - STMicroelectronics 497-6457-2-ND IC RTC CLK/CALENDAR I2C 28-SOIC 2,000 - Immediate
3.79215 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 128B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7 V ~ 3.6 V 2.5 V ~ 3.6 V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOX
M41ST87WMX6TR Datasheet M41ST87WMX6TR - STMicroelectronics 497-6457-1-ND IC RTC CLK/CALENDAR I2C 28-SOIC 2,000 - Immediate
6.89000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 128B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7 V ~ 3.6 V 2.5 V ~ 3.6 V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOX
M41ST87WMX6TR Datasheet M41ST87WMX6TR - STMicroelectronics 497-6457-6-ND IC RTC CLK/CALENDAR I2C 28-SOIC 2,000 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 128B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7 V ~ 3.6 V 2.5 V ~ 3.6 V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOX
DS3231S#T&R Datasheet DS3231S#T&R - Maxim Integrated DS3231S#T&RTR-ND IC RTC CLK/CALENDAR I2C 16-SOIC 1,000 - Immediate
3.92904 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal
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HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 110µA ~ 170µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC
DS3231S#T&R Datasheet DS3231S#T&R - Maxim Integrated DS3231S#T&RCT-ND IC RTC CLK/CALENDAR I2C 16-SOIC 1,416 - Immediate
8.68000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal
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HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 110µA ~ 170µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC
DS3231S#T&R Datasheet DS3231S#T&R - Maxim Integrated DS3231S#T&RDKR-ND IC RTC CLK/CALENDAR I2C 16-SOIC 1,416 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
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 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 110µA ~ 170µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC
DS3234S#T&R Datasheet DS3234S#T&R - Maxim Integrated DS3234S#T&RTR-ND IC RTC CLK/CALENDAR SPI 20-SOIC 1,000 - Immediate
1,000 - Factory Stock
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4.03923 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 256B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 3.8 V 120µA ~ 160µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC
DS3234S#T&R Datasheet DS3234S#T&R - Maxim Integrated DS3234S#T&RCT-ND IC RTC CLK/CALENDAR SPI 20-SOIC 1,375 - Immediate
1,000 - Factory Stock
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8.92000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 256B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 3.8 V 120µA ~ 160µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC
DS3234S#T&R Datasheet DS3234S#T&R - Maxim Integrated DS3234S#T&RDKR-ND IC RTC CLK/CALENDAR SPI 20-SOIC 1,375 - Immediate
1,000 - Factory Stock
?
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 256B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 3.8 V 120µA ~ 160µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC
DS3232SN#T&R Datasheet DS3232SN#T&R - Maxim Integrated DS3232SN#T&RTR-ND IC RTC CLK/CALENDAR I2C 20-SOIC 9,000 - Immediate
4.36968 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 236B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 120µA ~ 160µA @ 3.3V ~ 5.5V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC W
DS3232SN#T&R Datasheet DS3232SN#T&R - Maxim Integrated DS3232SN#T&RCT-ND IC RTC CLK/CALENDAR I2C 20-SOIC 9,304 - Immediate
9.65000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 236B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 120µA ~ 160µA @ 3.3V ~ 5.5V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC W
DS3232SN#T&R Datasheet DS3232SN#T&R - Maxim Integrated DS3232SN#T&RDKR-ND IC RTC CLK/CALENDAR I2C 20-SOIC 9,304 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 236B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 120µA ~ 160µA @ 3.3V ~ 5.5V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC W
DS3234SN#T&R Datasheet DS3234SN#T&R - Maxim Integrated DS3234SN#T&RTR-ND IC RTC CLK/CALENDAR SPI 20-SOIC 1,000 - Immediate
4.36968 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 256B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 3.8 V 120µA ~ 160µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC W
DS3234SN#T&R Datasheet DS3234SN#T&R - Maxim Integrated DS3234SN#T&RCT-ND IC RTC CLK/CALENDAR SPI 20-SOIC 1,871 - Immediate
9.65000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 256B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 3.8 V 120µA ~ 160µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC W
DS3234SN#T&R Datasheet DS3234SN#T&R - Maxim Integrated DS3234SN#T&RDKR-ND IC RTC CLK/CALENDAR SPI 20-SOIC 1,871 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 256B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 3.8 V 120µA ~ 160µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC W
DS3231SN#T&R Datasheet DS3231SN#T&R - Maxim Integrated DS3231SN#T&RTR-ND IC RTC CLK/CALENDAR I2C 16-SOIC 3,000 - Immediate
4.51660 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal
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HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 110µA ~ 170µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC
DS3231SN#T&R Datasheet DS3231SN#T&R - Maxim Integrated DS3231SN#T&RCT-ND IC RTC CLK/CALENDAR I2C 16-SOIC 3,888 - Immediate
9.97000 1 Cut Tape (CT)?
Alternate Packaging
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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 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 110µA ~ 170µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC
DS3231SN#T&R Datasheet DS3231SN#T&R - Maxim Integrated DS3231SN#T&RDKR-ND IC RTC CLK/CALENDAR I2C 16-SOIC 3,888 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
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 2.3 V ~ 5.5 V 2.3 V ~ 5.5 V 110µA ~ 170µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC
DS1388Z-33+ Datasheet DS1388Z-33+ - Maxim Integrated DS1388Z-33+-ND IC RTC CLK/CALENDAR I2C 8-SOIC 490 - Immediate
4.66000 1 Tube?
Alternate Packaging
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Active Clock/Calendar EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer 512B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.97 V ~ 3.63 V 1.3 V ~ 5.5 V 150µA @ 2.97V ~ 3.63V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
DS1682S+ Datasheet DS1682S+ - Maxim Integrated DS1682S+-ND IC RTC ELAPSED CNT I2C 8-SOIC 4,207 - Immediate
4.93000 1 Tube?
Alternate Packaging
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Active Elapsed Time Counter Alarm, EEPROM 10B Binary Binary I²C, 2-Wire Serial 2.5 V ~ 5.5 V
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4µA ~ 15µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
DS1305E+ Datasheet DS1305E+ - Maxim Integrated DS1305E+-ND IC RTC CLK/CALENDAR SPI 20-TSSOP 3,562 - Immediate
5.05000 1 Tube?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, NVSRAM, Trickle-Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 5.5 V 25.3µA ~ 81µA @ 2V ~ 5V 0°C ~ 70°C Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP
DS1306E+ Datasheet DS1306E+ - Maxim Integrated DS1306E+-ND IC RTC CLK/CALENDAR SPI 20-TSSOP 2,838 - Immediate
5.05000 1 Tube?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2 V ~ 5.5 V 2 V ~ 5.5 V 25.3µA ~ 81µA @ 2V ~ 5V 0°C ~ 70°C Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP
DS1337C# Datasheet DS1337C# - Maxim Integrated DS1337C#-ND IC RTC CLK/CALENDAR I2C 16-SOIC 1,803 - Immediate
5.15000 1 Tube?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output
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HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 5.5 V
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0.6µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC
Results per Page
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10:54:10 2/27/2017