用fpga的3.3V io口驱动mos管电路中,漏极上端与vcc连接的电阻怎么确定电阻值。mos管型号为BSS138P,设计时主要要看mos管datasheet中的那些参数!
http://wenku.baidu.com/link?url=suzC-5Q4o80Ng0tj4uGrtXhetGG95XJMct5Fb6O9LKV9F_4JOYzGNXNsSrW5hp413fePi-RLHwVHV7B0iKONn8YmIfLEKc77lb_b16eMraa