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SN74HCS273: Datasheet Error

Part Number: SN74HCS273

I noticed that there is an error in the datasheet pinouts for the new SN74HCS273.

On page 3 of the June 2021 revision A, the Pin Functions table is shown correctly as the '273 function has always been since time began (or at least the late 1970's):

But the package drawing at the top of the same page is incorrect for pins 8 and 9:

I hope no one tries to layout a PCB with this pinout...


  • Hey Randy,

    Yes you are correct, it looks like pins 6 and 7 names were copied down to pins 8 and 9. Thanks for highlighting this to us, we will log this to be fixed as soon as possible. For the time being you can use this pinout from another 273 function: