请问该芯片输出信号的上升时间为多少?
输出侧为5V电源 10pF负载的情况
有没有具体的指标?
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您好,
很抱歉,datasheet 没有给出具体指标,确定参数值的最佳方法是将系统运行在相同条件下使用真实设备进行测量。另外下面FAQ也给出了估算方法:
ROL = VOL/IOL = 0.8/0.012 = 66.667 Ω
ROH = (VCC-VOH)/IOH = (4.5-3.7)/.012 = 66.667 Ω
它与外接的容性负载有关,假设容性负载为5pF,那么
tLH(max) = 66.667 Ω * 5 pF * 2 = 666.67ps