The 74×17 gives you six open-collector buffers that you can use individually. A buffer is a gate that outputs the same as the input. It’s often used to get more current (and/or) voltage from an output.

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The 7417 comes in a 14-pin package, and you need to connect its power pins before you can use it. It supports a VCC voltage of 5V.

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The 74×17 (ex 74HC17) is a chip that comes with six open-collector buffers. An open collector output makes it easy to interface with chips of different logic levels, although swapping it with a standard buffer chip isn’t straightforward.

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Electronics is easy when you know what to focus on and what to ignore. Learn what "the basics" really is and how to learn it fast.

The three versions I’ve been able to locate are DM7417 by Fairchild Semiconductor (now Onsemi), the SN7417 by Texas Instruments, and the 7417PC by National Semiconductor. They’re pretty much the same.

Learn how it works and how to use it with this beginner-friendly guide and start using open-collector buffers in your projects.

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