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Introduction to CPLDs

Introduction to CPLDs

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GAL Output Macrocells<br />

4 <strong>to</strong> 1 MUX<br />

00 = registered active low<br />

01 = registered active high<br />

10 = comb. active low<br />

11 = comb. active high<br />

2 <strong>to</strong> 1 MUX<br />

Output feedback<br />

External input<br />

6

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