參數(shù)資料
型號(hào)： EPM3512A
廠商： Altera Corporation
英文描述： Programmable Logic Device Family
中文描述： 可編程邏輯器件系列
文件頁(yè)數(shù)： 9/42頁(yè)
文件大?。?/td> 649K
代理商： EPM3512A
Altera Corporation
9
MAX 3000A Programmable Logic Device Family Data Sheet
The Altera development system compiler can automatically 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 (
t
PEX P
). For example, if a macrocell
requires 14product 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
×
t
PEX P
.
Two groups of eight macrocells within each LAB (e.g., macrocells 1
through 8 and 9through 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.
Figure4
shows how parallel expanders can be
borrowed from a neighboring macrocell.
Figure 4. MAX 3000A Parallel Expanders
Unused product terms in a macrocell can be allocated to a neighboring macrocell.
Preset
Clock
Clear
Product-
er
Select
Matrix
Preset
Clock
Clear
Product-
Ter
T m
Select
Matrix
Macrocell
Product-
Term Logic
From
Previous
Macrocell
To Next
Macrocell
Macrocell
Product-
Term Logic
36 Signals
from PIA
16 Shared
Expanders
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EPM3512AFC25610 制造商:Altera Corporation 功能描述:
EPM3512AFC256-10 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX 3000A 512 Macro 208 IOs RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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
EPM3512AFC256-10N 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX 3000A 512 Macro 208 IOs RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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
EPM3512AFC256-7 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX 3000A 512 Macro 208 IOs RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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
EPM3512AFC256-7N 功能描述:CPLD - 復(fù)雜可編程邏輯器件 CPLD - MAX 3000A 512 Macro 208 IOs RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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
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