Please make sure to get the correct speed rated part - A higher speed rated chip can generally be used instead of a lower speed, but a lower speed chip should not be used to replace a higher one.
As an example, a Z80B CPU can be used to replace a Z80A CPU, but a Z80A CPU should not be used to replace a Z80B CPU unless you are sure the clock speed is low enough for the Z80A.
If you are looking for an item we do not have listed on our website, please send us a note. We have quite a few items that are not up on the website yet.
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