ATF1504ASL 查看數據表（PDF） - Atmel Corporation

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ATF1504ASL

High performance Complex Programmable Logic Device

Atmel Corporation 

ATF1504AS(L)

Foldback Bus

Each macrocell also generates a foldback product term. This signal goes to the regional

bus and is available to four macrocells. The foldback is an inverse polarity of one of the

macrocell’s product terms. The sixteen foldback terms in each region allow generation

of high fan-in sum terms (up to sixteen product terms) with a nominal additional delay.

Figure 1. ATF1504AS Macrocell

7

0950O–PLD–7/05

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