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@@ -39,3 +39,11 @@ Most of the chips have their PROM set to **read-protected** once programmed, mea
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This tool aims to automate part of the process for the last of these options.
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Ideally, a successfull analysis should recover the original equations, but we'll see how this is not always possible or straightforward.
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+
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+## PAL Variants
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+PAL chips come in different variants with different features that impact their internal structure and outward capabilities:
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+- "simple" inputs
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+- asynchronous feedbacks from the outputs
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+- synchronous feedbacks from the registered outputs
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Fabio Battaglia