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AT75C221 Summary

6033CS–INTAP–05/04

Pinout

The AT75C221 ships in two alternative packages:

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208-lead PQFP

•

256-ball BGA

The product features of the 256-ball BGA package are increased compared to the 208-

lead PQFP package.

The features available only with the BGA package are:

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The 32-bit wide data bus (In PQFP, only a 16-bit wide data bus is supported.)

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The Parallel I/O lines PA13 to PA18 and PA20 to PA31

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The Parallel I/O lines PB10 to PB16