參數(shù)資料
型號(hào): EPM7256AETI144-7
廠商: Altera
文件頁(yè)數(shù): 3/64頁(yè)
文件大?。?/td> 0K
描述: IC MAX 7000 CPLD 256 144-TQFP
產(chǎn)品變化通告: Bond Wire Change 4/Sept/2008
標(biāo)準(zhǔn)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(shí)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: 16
宏單元數(shù): 256
門數(shù): 5000
輸入/輸出數(shù): 120
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-TQFP(20x20)
包裝: 托盤
其它名稱: 544-2062
EPM7256AETI144-7-ND
Altera Corporation
11
MAX 7000A Programmable Logic Device Data Sheet
Parallel Expanders
Parallel expanders are unused product terms that can be allocated to a
neighboring macrocell to implement fast, complex logic functions.
Parallel expanders allow up to 20 product terms to directly feed the
macrocell OR logic, with five product terms provided by the macrocell and
15 parallel expanders provided by neighboring macrocells in the LAB.
The compiler can allocate up to three sets of up to five parallel expanders
to the macrocells that require additional product terms. Each set of five
parallel expanders incurs a small, incremental timing delay (tPEXP). For
example, if a macrocell requires 14 product terms, the compiler uses the
five dedicated product terms within the macrocell and allocates two sets
of parallel expanders; the first set includes five product terms, and the
second set includes four product terms, increasing the total delay by
2 × tPEXP.
Two groups of eight macrocells within each LAB (e.g., macrocells 1
through 8 and 9 through 16) form two chains to lend or borrow parallel
expanders. A macrocell borrows parallel expanders from lower-
numbered macrocells. For example, macrocell 8 can borrow parallel
expanders from macrocell 7, from macrocells 7 and 6, or from macrocells
7, 6, and 5. Within each group of eight, the lowest-numbered macrocell
can only lend parallel expanders, and the highest-numbered macrocell
can only borrow them. Figure 4 shows how parallel expanders can be
borrowed from a neighboring macrocell.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EPM7256AETI144-7N 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX 7000 256 Macro 36 IOs RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
EPM7256AFC256-10 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Altera Corporation 功能描述:
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EPM7256AFC256-7 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Altera Corporation 功能描述:
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