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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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
   
PCF2129T/2,518 Datasheet PCF2129T/2,518 - NXP USA Inc. 568-9818-6-ND IC RTC CLK/CAL I2C/SPI 16-SOIC 4,058 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer
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HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 4.2 V 1.8 V ~ 4.2 V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SO
PCF2127AT/2Y Datasheet PCF2127AT/2Y - NXP USA Inc. 568-10212-2-ND IC RTC CLK/CAL I2C/SPI 20-SOIC 2,000 - Immediate
1.75560 2,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer 512B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 4.2 V 1.8 V ~ 4.2 V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SO
PCF2127AT/2Y Datasheet PCF2127AT/2Y - NXP USA Inc. 568-10212-1-ND IC RTC CLK/CAL I2C/SPI 20-SOIC 2,976 - Immediate
3.60000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer 512B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 4.2 V 1.8 V ~ 4.2 V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SO
PCF2127AT/2Y Datasheet PCF2127AT/2Y - NXP USA Inc. 568-10212-6-ND IC RTC CLK/CAL I2C/SPI 20-SOIC 2,976 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer 512B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 4.2 V 1.8 V ~ 4.2 V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SO
M41T62LC6F Datasheet M41T62LC6F - STMicroelectronics 497-11275-2-ND IC RTC CLK/CALENDAR I2C 8LCC 17,000 - Immediate
1.81720 1,000 Tape & Reel (TR)?
Alternate Packaging
Timekeeper® Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer
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HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3 V ~ 4.4 V
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0.7µA ~ 0.95µA @ 1.3V ~ 4.4V -40°C ~ 85°C Surface Mount 8-LCC 8-LCC (1.5x3.2)
M41T62LC6F Datasheet M41T62LC6F - STMicroelectronics 497-11275-1-ND IC RTC CLK/CALENDAR I2C 8LCC 18,743 - Immediate
3.54000 1 Cut Tape (CT)?
Alternate Packaging
Timekeeper® Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer
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HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3 V ~ 4.4 V
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0.7µA ~ 0.95µA @ 1.3V ~ 4.4V -40°C ~ 85°C Surface Mount 8-LCC 8-LCC (1.5x3.2)
M41T62LC6F Datasheet M41T62LC6F - STMicroelectronics 497-11275-6-ND IC RTC CLK/CALENDAR I2C 8LCC 18,743 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
Timekeeper® Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer
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HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3 V ~ 4.4 V
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0.7µA ~ 0.95µA @ 1.3V ~ 4.4V -40°C ~ 85°C Surface Mount 8-LCC 8-LCC (1.5x3.2)
M41T83RMY6F Datasheet M41T83RMY6F - STMicroelectronics 497-6885-2-ND IC RTC CLK/CALENDAR I2C 18-SOX 6,000 - Immediate
1.96140 1,000 Tape & Reel (TR)?
Alternate Packaging
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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 2.7 V ~ 5.5 V 2 V ~ 5.5 V 10µA @ 5.5V -40°C ~ 85°C Surface Mount 18-SOX, 18-SOIC with Crystal (7.5mm Width) 18-SOX
M41T83RMY6F Datasheet M41T83RMY6F - STMicroelectronics 497-6885-1-ND IC RTC CLK/CALENDAR I2C 18-SOX 6,686 - Immediate
3.82000 1 Cut Tape (CT)?
Alternate Packaging
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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 2.7 V ~ 5.5 V 2 V ~ 5.5 V 10µA @ 5.5V -40°C ~ 85°C Surface Mount 18-SOX, 18-SOIC with Crystal (7.5mm Width) 18-SOX
M41T83RMY6F Datasheet M41T83RMY6F - STMicroelectronics 497-6885-6-ND IC RTC CLK/CALENDAR I2C 18-SOX 6,686 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
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 2.7 V ~ 5.5 V 2 V ~ 5.5 V 10µA @ 5.5V -40°C ~ 85°C Surface Mount 18-SOX, 18-SOIC with Crystal (7.5mm Width) 18-SOX
RTC-4543SA:A0:ROHS Datasheet RTC-4543SA:A0:ROHS - EPSON SER3245TR-ND IC RTC CLK/CALENDAR SER 14-SOIC 3,000 - Immediate
2.01600 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Leap Year
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HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 2.5 V ~ 5.5 V
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1µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
RTC-4543SA:A0:ROHS Datasheet RTC-4543SA:A0:ROHS - EPSON SER3245CT-ND IC RTC CLK/CALENDAR SER 14-SOIC 4,003 - Immediate
4.15000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Leap Year
-
HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 2.5 V ~ 5.5 V
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1µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
RTC-4543SA:A0:ROHS Datasheet RTC-4543SA:A0:ROHS - EPSON SER3245DKR-ND IC RTC CLK/CALENDAR SER 14-SOIC 4,003 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
Active Clock/Calendar Leap Year
-
HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 2.5 V ~ 5.5 V
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1µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
DS2417P+ Datasheet DS2417P+ - Maxim Integrated DS2417P+-ND IC RTC BINARY CNT SER 6-TSOC 4,903 - Immediate
2.09000 1 Tube?
Alternate Packaging
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Active Binary Counter Unique ID
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Binary Binary 1-Wire® Serial 2.5 V ~ 5.5 V
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0.45µA @ 2.5V ~ 5.5V -40°C ~ 85°C Surface Mount 6-LSOJ (0.148", 3.76mm Width) 6-TSOC
DS1305E+T&R Datasheet DS1305E+T&R - Maxim Integrated DS1305E+T&RTR-ND IC RTC CLK/CALENDAR SPI 20-TSSOP 2,500 - Immediate
2.30001 2,500 Tape & Reel (TR)?
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
DS1305E+T&R Datasheet DS1305E+T&R - Maxim Integrated DS1305E+T&RCT-ND IC RTC CLK/CALENDAR SPI 20-TSSOP 4,089 - Immediate
5.08000 1 Cut Tape (CT)?
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
DS1305E+T&R Datasheet DS1305E+T&R - Maxim Integrated DS1305E+T&RDKR-ND IC RTC CLK/CALENDAR SPI 20-TSSOP 4,089 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
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
PCA2129T/Q900/2,51 Datasheet PCA2129T/Q900/2,51 - NXP USA Inc. 568-10183-2-ND IC RTC CLK/CAL I2C/SPI 16-SOIC 1,000 - Immediate
2.40800 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 4.2 V 1.8 V ~ 4.2 V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SO
PCA2129T/Q900/2,51 Datasheet PCA2129T/Q900/2,51 - NXP USA Inc. 568-10183-1-ND IC RTC CLK/CAL I2C/SPI 16-SOIC 1,053 - Immediate
4.69000 1 Cut Tape (CT)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer
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HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 4.2 V 1.8 V ~ 4.2 V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SO
PCA2129T/Q900/2,51 Datasheet PCA2129T/Q900/2,51 - NXP USA Inc. 568-10183-6-ND IC RTC CLK/CAL I2C/SPI 16-SOIC 1,053 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 4.2 V 1.8 V ~ 4.2 V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SO
DS1337C#T&R Datasheet DS1337C#T&R - Maxim Integrated DS1337C#TR-ND IC RTC CLK/CALENDAR I2C 16-SOIC 1,000 - Immediate
2.44000 1,000 Tape & Reel (TR)?
Alternate Packaging
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Active Clock/Calendar Alarm, Leap Year, Square Wave Output
-
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
DS1337C#T&R Datasheet DS1337C#T&R - Maxim Integrated DS1337C#CT-ND IC RTC CLK/CALENDAR I2C 16-SOIC 1,420 - Immediate
5.38000 1 Cut Tape (CT)?
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
DS1337C#T&R Datasheet DS1337C#T&R - Maxim Integrated DS1337C#DKR-ND IC RTC CLK/CALENDAR I2C 16-SOIC 1,420 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year, Square Wave Output
-
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
RX-4571LC:B3 PURE SN Datasheet RX-4571LC:B3 PURE SN - EPSON SER3771TR-ND IC RTC CLK/CALENDAR SER 12-VSOJ 2,250 - Immediate
2.47900 250 Tape & Reel (TR)?
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6 V ~ 5.5 V
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0.95µA ~ 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 12-TFSOJ (0.094", 2.40mm Width) 12-VSOJ
RX-4571LC:B3 PURE SN Datasheet RX-4571LC:B3 PURE SN - EPSON SER3771CT-ND IC RTC CLK/CALENDAR SER 12-VSOJ 2,430 - Immediate
3.86000 1 Cut Tape (CT)?
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
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HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6 V ~ 5.5 V
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0.95µA ~ 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 12-TFSOJ (0.094", 2.40mm Width) 12-VSOJ
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01:23:44 1/20/2017