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IMAGE PART NO. PRICE QUANTITY STOCK MANUFACTURE DESCRIPTION Type Mounting Style Package / Case Minimum Operating Temperature Maximum Operating Temperature Series Packaging Supply Voltage - Max Supply Voltage - Min Battery Backup Switching RTC Bus Interface Date Format Time Format RTC Memory Size Mounting Type Features Operating Temperature Part Status Voltage - Supply Supplier Device Package Interface Current - Timekeeping (Max)
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NXP USA Inc. IC RTC CLK/CALENDAR I2C DIE Clock/Calendar   Die     - Bulk         YY-MM-DD-dd HH:MM:SS (24 hr)   Surface Mount Alarm, Leap Year, Square Wave Output, Watchdog Timer -40°C ~ 85°C Active 1 V ~ 5.5 V Die I²C, 2-Wire Serial 0.6µA ~ 0.75µA @ 2V ~ 5V
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NXP USA Inc. IC RTC CLK/CALENDAR SPI DIE Clock/Calendar   Die     - Bulk         YY-MM-DD-dd HH:MM:SS (12/24 hr)   - Alarm, Leap Year, Square Wave Output, Watchdog Timer -40°C ~ 85°C Active 1.6 V ~ 5.5 V Die SPI 0.33µA ~ 0.38µA @ 2V ~ 5V
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NXP USA Inc. IC RTC CLK/CALENDAR I2C DIE Clock/Calendar   Die     - Bulk         YY-MM-DD-dd HH:MM:SS (24 hr)   Surface Mount Alarm, Leap Year, Square Wave Output, Watchdog Timer -40°C ~ 85°C Active 1 V ~ 5.5 V Die I²C, 2-Wire Serial 0.6µA ~ 0.75µA @ 2V ~ 5V
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NXP USA Inc. IC RTC CLK/CALENDAR I2C DIE Clock/Calendar   Die     - Bulk         YY-MM-DD-dd HH:MM:SS (24 hr)   Surface Mount Alarm, Leap Year, Square Wave Output, Watchdog Timer -40°C ~ 85°C Active 1 V ~ 5.5 V Die I²C, 2-Wire Serial 0.6µA ~ 0.75µA @ 2V ~ 5V
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Epson IC TRC CLK/CALENDAR -   10-SMD Module     Bulk         - -   Surface Mount - - Active - Module - -
DS3231SN
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3,713
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Maxim Integrated Real Time Clock Integrated RTC/TCXO/Crystal   SMD/SMT SOIC-16 - 40 C + 85 C   Bulk 5.5 V 2.3 V Backup Switching Serial, I2C DW:DM:M:Y HH:MM:SS                  
RTC-72421A:ROHS
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1,075
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Epson Timing Real Time Clock 4Bit 5.5Volts 18PIN 12/24 hr. -10C +70C   Through Hole DIP-18 - 10 C + 70 C   Bulk 5.5 V 4.5 V   Parallel DW:DM:M:Y HH:MM:SS                  
RTC-72423A:ROHS
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544
In-stock
Epson Timing Real Time Clock 4Bit 5.5Volts 24PIN 12/24 hr. -40C +85C   SMD/SMT SOP-24 - 40 C + 85 C   Bulk 5.5 V 4.5 V   Parallel DW:DM:M:Y HH:MM:SS                  
RX-8581SA:B
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419
In-stock
Epson Timing Real Time Clock i2C Bus -40C +85C 5 +/-23ppm   SMD/SMT SOIC-14 - 40 C + 85 C   Bulk 5.5 V 1.8 V   Serial, I2C DW:DM:M:Y HH:MM:SS                  
RTC-4543SA:B ROHS
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16,250
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Epson Timing Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C   SMD/SMT SOIC-14 - 40 C + 85 C   Bulk 5.5 V 2.5 V   Serial, 3-Wire DW:DM:M:Y HH:MM:SS                  
RTC-72421B:ROHS
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Epson Timing Real Time Clock 4-Bit 12/24 Hr 50ppm 18 pin   Through Hole DIP-18 - 10 C + 70 C   Bulk 5.5 V 4.5 V   Parallel DW:DM:M:Y HH:MM:SS                  
RTC-4543SA:A ROHS
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Epson Timing Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C   SMD/SMT SOIC-14 - 40 C + 85 C   Bulk 5.5 V 2.5 V   Serial, 3-Wire DW:DM:M:Y HH:MM:SS                  
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NXP Semiconductors Real Time Clock BL SECURE INTERFACES & POWER             Bulk                              
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NXP Semiconductors Real Time Clock SPI REAL TIME CLOCK/CALENDAR             Bulk                              
RTC-7301SF:B ROHS
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Epson Timing Real Time Clock 4 Bit 2.4 to 5.5Volt 5 +/-23ppm -40C +85C   SMD/SMT SSOP-24 - 40 C + 85 C   Bulk 5.5 V 2.4 V   Serial, 4-Wire DW:DM:M:Y HH:MM:SS                  
RTC-72423B:ROHS
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Epson Timing Real Time Clock 4-Bit 12/24 Hr 50ppm 24 Pin   SMD/SMT SOIC-24 - 40 C + 85 C   Bulk 5.5 V 4.5 V   Parallel DW:DM:M:Y HH:MM:SS                  
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NXP Semiconductors Real Time Clock Real Time Clock Serial Die             Bulk                              
PCF8564AUG/12HB/1V
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NXP Semiconductors Real Time Clock Real time clock and calendar   SMD/SMT WLCSP-9 - 40 C + 85 C   Bulk 5.5 V 1 V Backup Switching Serial, 2-Wire, I2C Binary Binary                  
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NXP Semiconductors Real Time Clock BL SECURE INTERFACES & POWER             Bulk                              
DS12885TN+
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245
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Maxim Integrated Real Time Clock RTC   SMD/SMT TQFP-32 - 40 C + 85 C   Bulk 5.5 V 4.5 V   Multiplexed YY-MM-DD-dd, Binary HH:MM:SS, Binary 114 B                
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