Vertical bus circuits
A vertical bus circuit includes multiple devices for transmitting signals between the bus devices. The multiple devices share multiple common voltage levels. Each of the devices includes a bus block and two input/output (I/O) devices powered by a first voltage level and a second voltage level of the common voltage levels, respectively. The bus block enables signal transmission between the two I/O devices, and the common voltage levels enable the signal transmission between the devices.
O2Micro Inc
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Guoxing Liusheng
Li Liu