@article {wei2000variable,
	title = {A variable-frequency parallel I/O interface with adaptive power-supply regulation},
	journal = {IEEE Journal of Solid-State Circuits},
	volume = {35},
	year = {2000},
	pages = {1600{\textendash}1610},
	publisher = {IEEE},
	author = {Gu  Wei and Kim, Jaeha and Liu, Dean and Sidiropoulos, Stefanos and Horowitz, Mark A}
}
