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    | Partname: | CAT1027ZD4I-42T3 |  
    | Description: | Dual Voltage Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM |     
    | Manufacturer: |  |  
    | Datasheet: | PDF (313K). Click here to download *) |  
    The CAT1026 and CAT1027 provide an auxiliary voltage sensor input, VSENSE, which is used to monitor a second system supply. The auxiliary high impedance comparator drives the open drain output, VLOW, whenever the sense voltage is below 1.25V threshold.  |  
    
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    Click here to download CAT1027ZD4I-42T3 Datasheet*) | 
  
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