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关于SN74LV4T125的

 有两个疑问:

1.(1)此芯片VCC=5V,INPUT=3.3V时,输出稳定,是5V吗?(2)上升沿是否会有尖峰(测试74其他的芯片有过这种现象)

2.(1)输入脚直接接单片机3.3V引脚,输出引脚直接驱动,引脚是否还需要接电阻电容?

(2)芯片资料的这里看不太明白(附件)(3)t pd 是什么时间?

期待您的解答!