如何处理内部三态电路—PLD设计技巧 Tri-State vsMUX
Tri-State Buffer
There are two application area for the Tri-State Buffer
–Internal Tri-State Buffer Logic
•need a Tri-State Buffer within Device
–External Tri-State Buffer Logic
•need a Tri-State Buffer at the I/O pin
What Altera can provide
–Altera will implement Internal Tri-State Buffer with MUX
–All the I/O pad can provide a real Tri-State Buffer
But some other PLD vendor can provide
–Internal Tri-State Buffer
Is that any design limitation if use Altera Device ?
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