參數(shù)資料
型號: EP20K200EQC240-3
廠商: Altera
文件頁數(shù): 50/117頁
文件大?。?/td> 0K
描述: IC APEX 20KE FPGA 200K 240-PQFP
產(chǎn)品培訓模塊: Three Reasons to Use FPGA's in Industrial Designs
標準包裝: 24
系列: APEX-20K®
LAB/CLB數(shù): 832
邏輯元件/單元數(shù): 8320
RAM 位總計: 106496
輸入/輸出數(shù): 168
門數(shù): 404000
電源電壓: 1.71 V ~ 1.89 V
安裝類型: 表面貼裝
工作溫度: 0°C ~ 85°C
封裝/外殼: 240-BFQFP
供應商設(shè)備封裝: 240-PQFP(32x32)
其它名稱: 544-1095
38
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Table 10 describes the APEX 20K programmable delays and their logic
options in the Quartus II software.
The Quartus II software compiler can program these delays automatically
to minimize setup time while providing a zero hold time. Figure 25 shows
how fast bidirectional I/Os are implemented in APEX 20K devices.
The register in the APEX 20K IOE can be programmed to power-up high
or low after configuration is complete. If it is programmed to power-up
low, an asynchronous clear can control the register. If it is programmed to
power-up high, the register cannot be asynchronously cleared or preset.
This feature is useful for cases where the APEX 20K device controls an
active-low input or another device; it prevents inadvertent activation of
the input upon power-up.
Table 10. APEX 20K Programmable Delay Chains
Programmable Delays
Quartus II Logic Option
Input pin to core delay
Decrease input delay to internal cells
Input pin to input register delay
Decrease input delay to input register
Core to output register delay
Decrease input delay to output register
Output register tCO delay
Increase delay to output pin
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