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FIFO (First In, First Out) is one way of managing a buffer for data

2 votes

Why do most FIFO chips have a 9-bit bus?

@EugeneSh pointed out that this data sheet mentions parity specifically: The device's 9-bit width provides a bit for a control or parity at the user’s option
cratonica's user avatar
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Why do most FIFO chips have a 9-bit bus?

For example, on DigiKey, many FIFO memory chips have 9-bit or 18-bit words: https://www.digikey.com/en/products/filter/logic-fifos-memory/707 Is this to be used as a parity bit? …
cratonica's user avatar
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