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PROGRAMMABLE 
ASIC LOGIC 
CELLS

All programmable ASICs or FPGAs contain a basic logic cell replicated in a regular array across the chip (analogous to a base cell in an MGA). There are the following three different types of basic logic cells: (1) multiplexer based, (2) look-up table based, and (3) programmable array logic. The choice among these depends on the programming technology. We shall see examples of each in this chapter.

5.1 Actel ACT

5.2 Xilinx LCA

5.3 Altera FLEX

5.4 Altera MAX

5.5 Summary

5.6 Problems

5.7 Bibliography

5.8 References