參數(shù)資料
型號： EPM7128AETI144-7N
廠商： Altera
文件頁數(shù)： 2/64頁
文件大?。?/td> 0K
描述： IC MAX 7000 CPLD 128 144-TQFP
產(chǎn)品變化通告： Bond Wire Change 4/Sept/2008
標準包裝： 180
系列： MAX® 7000A
可編程類型： 系統(tǒng)內(nèi)可編程
最大延遲時間 tpd(1)： 7.5ns
電壓電源 - 內(nèi)部： 3 V ~ 3.6 V
邏輯元件/邏輯塊數(shù)目： 8
宏單元數(shù)： 128
門數(shù)： 2500
輸入/輸出數(shù)： 100
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 144-LQFP
供應商設備封裝： 144-TQFP（20x20）
包裝： 托盤
其它名稱： 544-2587
EPM7128AETI144-7N-ND
10
Altera Corporation
MAX 7000A Programmable Logic Device Data Sheet
Expander Product Terms
Although most logic functions can be implemented with the five product
terms available in each macrocell, more complex logic functions require
additional product terms. Another macrocell can be used to supply the
required logic resources. However, the MAX 7000A architecture also
offers both shareable and parallel expander product terms that provide
additional product terms directly to any macrocell in the same LAB. These
expanders help ensure that logic is synthesized with the fewest possible
logic resources to obtain the fastest possible speed.
Shareable Expanders
Each LAB has 16 shareable expanders that can be viewed as a pool of
uncommitted single product terms (one from each macrocell) with
inverted outputs that feed back into the logic array. Each shareable
expander can be used and shared by any or all macrocells in the LAB to
build complex logic functions. A small delay (tSEXP) is incurred when
shareable expanders are used. Figure 3 shows how shareable expanders
can feed multiple macrocells.
Figure 3. MAX 7000A Shareable Expanders
Shareable expanders can be shared by any or all macrocells in an LAB.
Macrocell
Product-Term
Logic
Product-Term Select Matrix
Macrocell
Product-Term
Logic
36 Signals
from PIA
16 Shared
Expanders
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