74LVC16244的datasheet中的下面几个参数看不懂,请教一下什么意思,有什么作用,谢谢!
DICC additional quiescent supply current per input pin
IBH(L) bushold LOW sustaining current
IBH(H) bushold HIGH sustaining current
IBH(LO) bushold LOW overdrive current
IBH(HO) bushold HIGH overdrive current |