MAX7000S device blocks: The family uses Logic Array Blocks (LABs) and a Programmable Interconnect Array (PIA), not “intermediate.” Decide whether the term “programmable intermediate array” is correct for MAX7000S.
Digital Electronics
Programmable Logic Device
Difficulty: Easy
Choose an option
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AIncorrect
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BCorrect
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CPartially correct; wording varies by vendor
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DApplies only to MAX3000 devices
Answer
Correct Answer: Incorrect
Explanation
Introduction / Context: Vendor-specific block names matter when reading handbooks and constraint guides. The MAX7000S CPLD family features macrocells organized in LABs connected by a routing fabric formally called the Programmable Interconnect Array (PIA).
Given Data / Assumptions:
- MAX7000S uses LABs for logic macrocells.
- The routing matrix is termed “Programmable Interconnect Array.”
- The phrasing “programmable intermediate array” is not the standard name.
Concept / Approach: Precision in nomenclature avoids confusion with other families or academic abstractions. The correct expansion of PIA is interconnect, not intermediate. Misnaming can cause misinterpretation when consulting pin-locking or timing models tied to the actual interconnect.
Step-by-Step Solution:
Identify MAX7000S major blocks: LAB + PIA.Expand PIA correctly: Programmable Interconnect Array.Compare with the statement (“intermediate”) → mismatch → incorrect.Verification / Alternative check:
Check a MAX7000S datasheet overview; the routing network is consistently “interconnect.”Why Other Options Are Wrong:
Correct: Would endorse the wrong term.Partially correct: Terminology is not vendor-variable here; it is specific.Applies only to MAX3000: Not relevant; still “interconnect.”Common Pitfalls:
Mixing generic phrases with vendor-official block names.Assuming “PIA” can flexibly expand to similar-sounding words.Final Answer:
Incorrect