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EPM9560A 参数 Datasheet PDF下载

EPM9560A图片预览
型号: EPM9560A
PDF下载: 下载PDF文件 查看货源
内容描述: 可编程逻辑器件系列 [Programmable Logic Device Family]
分类和应用: 可编程逻辑器件
文件页数/大小: 46 页 / 495 K
品牌: ALTERA [ ALTERA CORPORATION ]
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MAX 9000 Programmable Logic Device Family Data Sheet  
Macrocells  
The MAX 9000 macrocell consists of three functional blocks: the product  
terms, the product-term select matrix, and the programmable register.  
The macrocell can be individually configured for both sequential and  
combinatorial logic operation. See Figure 3.  
Figure 3. MAX 9000 Macrocell & Local Array  
LAB Local  
Array  
Global Global  
Clear Clocks  
33 Row  
FastTrack  
Interconnect  
Inputs  
Parallel  
2
Expanders  
(from Other  
Macrocells)  
Macrocell  
Input Select  
Programmable  
Register  
Register  
Bypass  
To Row or  
Column  
FastTrack  
Interconnect  
PRN  
D/T  
Q
Clock/  
Enable  
Select  
Product-  
Term  
Select  
Matrix  
ENA  
CLRN  
VCC  
Clear  
Select  
Local Array  
Feedback  
16 Local  
Feedbacks  
16 Shareable  
Expander Product  
Combinatorial logic is implemented in the local array, which provides five  
product terms per macrocell. The product-term select matrix allocates  
these product terms for use as either primary logic inputs (to the ORand  
XORgates) to implement combinatorial functions, or as secondary inputs  
to the macrocells register clear, preset, clock, and clock enable control  
functions. Two kinds of expander product terms (“expanders”) are  
available to supplement macrocell logic resources:  
Shareable expanders, which are inverted product terms that are fed  
back into the logic array  
Parallel expanders, which are product terms borrowed from adjacent  
macrocells  
The MAX+PLUS II software automatically optimizes product-term  
allocation according to the logic requirements of the design.  
8
Altera Corporation