Integrated Circuits (ICs)

Information about Clock/Timing---Real Time Clocks

Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral.  They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.

All Products (1-50) of Clock/Timing---Real Time Clocks

No.ImagePart NumberManufacturerDescription
1DS1374U-33+Analog Devices Inc./Maxim IntegratedIC RTC BINARY COUNTER I2C 10UMAX
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2DS1340U-33+Analog Devices Inc./Maxim IntegratedIC RTC CLOCK/CALENDAR I2C 8UMAX
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3DS1394U-33+Analog Devices Inc./Maxim IntegratedIC RTC CLK/CALENDAR SPI 10UMAX
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4DS1339BU+Analog Devices Inc./Maxim IntegratedIC RTC CLOCK/CALENDAR I2C 8UMAX
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5DS1339U-2+Analog Devices Inc./Maxim IntegratedIC RTC CLOCK/CALENDAR I2C 8UMAX
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6M41ST85WMX6TRSTMicroelectronicsIC RTC CLOCK/CALENDAR I2C 28SO
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7DS1374U-18+Analog Devices Inc./Maxim IntegratedIC RTC BINARY COUNTER I2C 10UMAX
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8DS1337+Analog Devices Inc./Maxim IntegratedIC RTC CLOCK/CALENDAR I2C 8DIP
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9RX-8035LC:B3 PURE SNEPSONIC RTC EVENT REC I2C 12VSOJ
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10DS1337S+Analog Devices Inc./Maxim IntegratedIC RTC CLK/CALENDAR I2C 8SOIC
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11DS1371U+Analog Devices Inc./Maxim IntegratedIC RTC BINARY COUNTER I2C 8UMAX
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12DS1338Z-3+Analog Devices Inc./Maxim IntegratedIC RTC CLK/CALENDAR I2C 8SOIC
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13RX-8581NB:B3EPSONIC RTC CLK/CALENDAR I2C 22SON
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14RX-8035SA:B3 PURE SNEPSONIC RTC TIME EVENT REC I2C 14SOP
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15M41T83SMY6FSTMicroelectronicsIC RTC CLK/CALENDAR I2C 18SOX
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16DS1337U+Analog Devices Inc./Maxim IntegratedIC RTC CLOCK/CALENDAR I2C 8UMAX
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17ISL1208IB8ZRenesas Electronics America IncIC RTC CLK/CALENDAR I2C 8SOIC
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18ISL12024IBZ-TRenesas Electronics America IncIC RTC CLK/CALENDAR I2C 8SOIC
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19PCF2129T/2,518NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 16SO
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20PCF2127AT/2YNXP USA Inc.IC RTC CLOCK/CALENDAR I2C 20SO
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21DS1338U-18+Analog Devices Inc./Maxim IntegratedIC RTC CLOCK/CALENDAR I2C 8UMAX
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22M41T93RQA6FSTMicroelectronicsIC RTC CLK/CALENDAR SPI 16QFN
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23PCF2127T/2YNXP USA Inc.IC RTC CLOCK/CALENDAR I2C 16SO
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24RV-3129-C3-32.768KHZ-OPTION-B-TA-QCMicro Crystal AGIC RTC CLK/CALENDAR I2C 10SON
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25PCA2129T/Q900/2,51NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 16SO
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26M41T56M6FSTMicroelectronicsIC RTC CLK/CALENDAR I2C 8SOIC
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27PCF8583T/5,518NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 8SO
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28RX8130CE:B3EPSONIC RTC EVENT REC I2C MODULE
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29MCP79410T-I/STMicrochip TechnologyIC RTC CLK/CALENDAR I2C 8TSSOP
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30MCP7940N-E/SNMicrochip TechnologyIC RTC CLK/CALENDAR I2C 8SOIC
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31PCF8583T/5,512NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 8SO
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32MCP79411-I/SNMicrochip TechnologyIC RTC CLK/CALENDAR I2C 8SOIC
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33MCP79411T-I/SNMicrochip TechnologyIC RTC CLK/CALENDAR I2C 8SOIC
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34MCP79410-I/STMicrochip TechnologyIC RTC CLK/CALENDAR I2C 8TSSOP
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35R2043T-E2-FNisshinbo Micro Devices Inc.IC RTC CLK/CALENDAR SER 10TSSOP
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36PCF2129AT/2,518NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 20SO
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37MCP79400T-I/MSMicrochip TechnologyIC RTC CLK/CALENDAR I2C 8MSOP
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38MCP7940NT-E/SNMicrochip TechnologyIC RTC CLK/CALENDAR I2C 8SOIC
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39PCF8523T/1,118NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 8SO
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40PCF8563T/F4,118NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 8SO
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41PCF2123TS/1,118NXP USA Inc.IC RTC CLK/CALENDAR SPI 14TSSOP
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42RV5C348A-E2-FNisshinbo Micro Devices Inc.IC RTC CLK/CALENDAR SER 10SSOP
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43PCF2123TS/1,112NXP USA Inc.IC RTC CLK/CALENDAR SPI 14TSSOP
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44RV-8803-C7-32.768KHZ-3PPM-TA-QAMicro Crystal AGIC RTC CLK/CALENDAR I2C 8SON
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45RX8900SA:UA3 PURE SNEPSONIC RTC CLK/CALENDAR I2C 14SOP
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46PCF85263ATT/AJNXP USA Inc.IC RTC CLK/CALENDAR I2C 8TSSOP
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47PCF8563BS/4,118NXP USA Inc.IC RTC CLK/CALENDAR I2C 10HVSON
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48PCF8523TK/1,118NXP USA Inc.IC RTC CLK/CALENDAR I2C 8HVSON
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49PCF85063ATT/AJNXP USA Inc.IC RTC CLK/CALENDAR I2C 8TSSOP
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50PCF8563T/5,518NXP USA Inc.IC RTC CLOCK/CALENDAR I2C 8SO
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