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ClockCraft
ClockCraft´Â CTS(Clock Tree Synthesis)¸¦ ´ã´çÇÏ´Â ÅøÀ̸ç, ÃÖ¼ÒÀÇ clock
buffer¸¦ »ç¿ëÇÏ¿© ÃÖÀûÀÇ clock skew¸¦ Á¦°øÇÏ¿© ÁÝ´Ï´Ù. ±âÁ¸ÀÇ CTS Åø¿¡ ºñÇØ ¾à
10¹è ºü¸¥ ¼º´ÉÀ» º¸À̸ç skew¶ÇÇÑ 50%Á¤µµ Çâ»ó ½ÃÄÑ ÁÝ´Ï´Ù. ClockCraft´Â stand-aloneÀ¸·Î
»ç¿ëÇÒ ¼ö ÀÖ°í DesignCraft Pro¿Í ÇÔ²² »ç¿ëÇÒ ¼öµµ ÀÖ½À´Ï´Ù. ClockCraftÀÇ
flow´Â ´ÙÀ½°ú °°½À´Ï´Ù.
Features
Minimal skew results
°¡Àå ÀûÀº ¼öÀÇ clock buffer¸¦ »ç¿ëÇÏ¿© ´Ù¸¥ CTS Åø ´ëºñ ¾à 50%Á¤µµ Çâ»óµÈ skew
°á°ú¸¦ ³»¾î ÁÝ´Ï´Ù.
Super-fast synthesis
speed
µ¶ÀÚÀûÀÎ ISU (Incremental Skew Update) techniqueÀ¸·Î ¼öÇà½Ã°£À» 10¹è
°¡·® ´ÜÃà ½ÃÄÑ ÁÝ´Ï´Ù.
Efficient memory usage
Clock leaf °¡ 200,000 ÀÌ»óÀ̸ç, 200°³ÀÇ clock domains À» °¡Áø µðÀÚÀÎÀ»
½±°Ô synthesisÇÒ ¼ö ÀÖ½À´Ï´Ù.
Rich features
- Complex clock structure handling - gated clock, re-convergent
clock
- Case analysis handling - Skew balancing in different
clock domains
- Flexibility of setting desired clock tree structure,
insertion delay, skew, transition and clock buffer
- Useful skew for final timing improvement
Unique capabilities
- Interactive Clock Tree Management - Clock skew optimization
with on-chip variation
Compatible methodology
for easy adoption
Easy to use Tcl-based
Shell and GUI
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