This repository is about the main project of the course "VLSI System Design". This course is part of my undergraduate studies on University of Thessally - ECE Department located in Volos, Greece. edaverilogsyno
第一级std cell input pin 的transition 根据对应net 的RC 计算得到,第一级std cell output pin 的transition 通过查表<cell output transition = F (cell input transition , cell output load )>得到,以此类推。
3. non-unate timing arc(不定态时序弧) The output transition cannot be determined solely from the direction of change of an input but also depends upon the state of the other inputs. timing arcsetup/hold time(建立/保持时间)建立时间:时序cell正常工作,保证功能正确,上升沿到来前数据保持稳定的最...
Timing path:Timing paths in a design can be considered as a collection of paths. Each path has astartpointand anendpoint. In STA, the paths are timed based on validstartpointsand validendpoints. Validstartpointsare input ports and clock pins of synchronous devices, such as flip-fl...
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Literature survey reveals a number of interesting applications that have been exploited for the reduction of threshold voltage in VLSI circuits. Floating-gate MOSFET (FGMOS) has been widely employed for designing low voltage and low power digital circuits. FGMOS is a special type of MOS transistor ...
VLSI designing use to implement microprocessor makes it possible to program it onto a single integrated circuit using VHDL. A 16-bit microprocessor with 16 instructions is designed. The FPGA which is used for the implementation of the circuit is the Xilinx Spartan3E (device) XC3S500 (family)...