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SN74HC595: What's the difference between the SN74HC595, SN74HC595A and SN74HC595B?

Frank Xiao
Genius 12055 points
Part Number: SN74HC595

Hi team,

i want to check what's the difference between the SN74HC595, SN74HC595A and SN74HC595B? Thanks.

BR

Frank

  • 0
    TI__Guru* 96842 points

    Hi Frank,

    The SN74HC595 is the standard version of the HC595. It has positive input clamp diodes and is available in a wide range of packages:

    The SN74HC595A is the name given to the Japanese market version of the standard SN74HC595:

    The SN74HC595B is only available in the X1QFN package, and has over-voltage tolerant inputs (ie does not have positive input clamp diodes):