X1240

Features: • 2-Wire Interface interoperable with I2C. -400kHz data transfer rate• Secondary Power Supply Input with internal switch-over circuitry.• Year 2000 Compliant• 2K bytes of EEPROM -64 Byte Page Write Mode -3 bit Block Lock• Low Power CMOS -<1A Operating Cur...

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X1240 Picture
SeekIC No. : 004547047 Detail

X1240: Features: • 2-Wire Interface interoperable with I2C. -400kHz data transfer rate• Secondary Power Supply Input with internal switch-over circuitry.• Year 2000 Compliant• 2K by...

floor Price/Ceiling Price

Part Number:
X1240
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Features:

• 2-Wire Interface interoperable with I2C.
   -400kHz data transfer rate
• Secondary Power Supply Input with internal
   switch-over circuitry.
• Year 2000 Compliant
• 2K bytes of EEPROM
   -64 Byte Page Write Mode
   -3 bit Block Lock
• Low Power CMOS
   -<1A Operating Current
   -<3mA Active Current during Program
   -<400A Active Current during Data Read
• Single Byte Write Capability
• Typical Nonvolatile Write Cycle Time: 5ms
• High Reliability
   -1,000,000 Endurance Cycles
   -Guaranteed Data Retention: 100 Years
• Small Package Options
   -8-Lead SOIC Package, 8L TSSOP Package



Pinout

  Connection Diagram


Specifications

Temperature Under Bias..........................-65°C to +135°C
Storage Temperature ..............................-65°C to +150°C
Voltage on any pin with respect to ground......-.1.0V to 7.0V
DC Output Current ........................................................5 mA
Lead Temperature (Soldering, 10 Seconds) ..............300°C




Description

The X1240 is a Real Time Clock with clock/calendar circuits. The dual port clock register allows the clock to operate, without loss of accuracy, even during read and write operations.
The clock/calendar provides functionality that is controllable and readable through a set of registers. The clock, using a low cost 32.768kHz crystal input, accurately tracks the time in seconds, minutes, hours, date, day, month and years. X1240 has leap year correction, automatic adjustment for the year 2000 and months with less than 31 days.
The X1240 offers a backup power input pin. This Vback pin allows the device to be backed up by a nonrechargeable battery. The RTC is fully operational from 1.8 to 5.5 volts.
The X1240 provides a 2K byte EEPROM array, giving a safe, secure memory for critical user and configuration data. This memory is unaffected by complete failure of the main and backup supplies.


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