参数资料
型号: EP20K100EFI784-3
厂商: ALTERA CORP
元件分类: PLD
英文描述: LOADABLE PLD, PBGA784
文件页数: 18/65页
文件大小: 781K
代理商: EP20K100EFI784-3
Altera Corporation
47
Preliminary Information
APEX 20K Programmable Logic Device Family Data Sheet
Figure 13. Product-Term Logic in ESB
Note:
(1)
APEX 20KE devices have four dedicated clocks.
Macrocells
APEX 20K macrocells can be configured individually for either sequential
or combinatorial logic operation. The macrocell consists of three
functional blocks: the logic array, the product-term select matrix, and the
programmable register.
Combinatorial logic is implemented in the product terms. The product-
term select matrix allocates these product terms for use as either primary
logic inputs (to the OR and XOR gates) to implement combinatorial
functions, or as parallel expanders to be used to increase the logic
available to another macrocell. One product term can be inverted: the
Quartus software uses this feature to perform DeMorgan’s inversion for
more efficient implementation of wide OR functions. The Quartus
Compiler can use a NOT-gate push-back technique to emulate an
asynchronous preset. Figure 14 shows the APEX 20K macrocell.
Global Signals
Dedicated Clocks
Macrocell
Inputs (1-16)
CLK[1..0]
ENA[1..0]
CLRN[1..0]
From
Adjacent
LAB
MegaLAB Interconnect
To Row
and Column
Interconnect
2
16
32
2
4
2 or 4
(1)
65
Local
Interconnect
9
相关PDF资料
PDF描述
EP20K200BC784-1 LOADABLE PLD, PBGA784
EP20K200BC784-2 LOADABLE PLD, PBGA784
EP20K200BC784-3 LOADABLE PLD, PBGA784
EP20K200BI784-1 LOADABLE PLD, PBGA784
EP20K200BI784-2 LOADABLE PLD, PBGA784
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EP20K100EQC208-1ES 制造商:未知厂家 制造商全称:未知厂家 功能描述:FPGA
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