PCF2129AT/2,518,2400450,оƬ, ʵʱʱÖÓ/ÈÕÀú, I2C/SPI, SOIC-20,NXP
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The PCF2129AT/2,518 is an accurate Real Time Clock with an integrated temperature compensated crystal (Xtal) oscillator (TCXO) and a 32.768kHz quartz crystal optimized for very high accuracy and very low power consumption. This has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a programmable watchdog function and a timestamp function.
  • Timestamp function with interrupt capability
  • 3 Line SPI-bus with separate data input and output
  • Battery backup input pin and switch-over circuitry
  • Oscillator stop detection function
  • Open-drain interrupt output
  • Programmable watchdog timer with interrupt

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  Ê±¼ä¸ñʽ  ¶þ½øÖÆ  
  Ê±ÖÓоƬÀàÐÍ  ÈÕÀú, ʱÖÓ  
  µçÔ´µçѹ×îСֵ  1.8V  
  µçÔ´µçѹ×î´óÖµ  4.2V  
  Ê±ÖÓ¼¯³Éµç··â×°ÀàÐÍ  SOIC  
  Õë½ÅÊý  20Òý½Å  
  Ð¾Æ¬½Ó¿ÚÀàÐÍ  I2C, SPI  
  ¹¤×÷ζÈ×îСֵ  -40¡ãC  
  ¹¤×÷ζÈ×î¸ßÖµ  85¡ãC  
  ·â×°  ¼ôÇдø  
  ²úÆ··¶Î§  -  
  Æû³µÖÊÁ¿±ê×¼  -  
  MSL  MSL 3 - 168Сʱ  
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