C271C Datasheet – Voltage Comparator – UPC271

This post explains for the semiconductor C271C.

The Part Number is UPC271C.

The function of this semiconductor is Voltage Comparator.

Manufacturer: NEC

Preview images :

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C271C image


The uPC271, uPC311 are voltage comparators that have input currents more than a hundred times lower than device like conventional standard type of 710. It is also designed to operate over a wide range of supply voltage.


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1. Operate from single 5 V supply

2. Maximum input current : 200 nA

3. Maximum offset current : 50 nA

4. Fast transient response : 200 ns TYP.

5. LM311 Direct Replacement.

C271C Datasheet

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