Bi-Polar Transistor (BJT) Processes
The BJT processes which
are currently being used by the RCIM include:
GA911 (2.5 GHz Bipolar Linear Array)
The bipolar linear array technology from Gennum Corporation is tile-based and can be used for either analog or digital
applications. This technology allows designers to create semicustom IC layouts
by connecting array devices using a single layer of interconnect. The layer of
interconnect is used in fabrication as the programming layer for the devices. The arrays contain a selection of passive and active devices in fixed
positions which are mirrored and rotated throughout the array to permit
symmetrical layout. The designer manually routes the interconnect metal between
individual device pins to lay out the circuit. Typical overall performance
parameters for the technology are ft=2.5 GHz, Vmax=20 volts. The GA911 technology can be a useful instructional vehicle for introducing
students to CAD and microelectronics.
SiGe (0.5-micron Silicon Germanium)
IBM's BiCMOS 5HP and BiCMOS 5AM process. Note that BiCMOS 5HP is a 3-metal
process and BiCMOS 5AM is a 4-metal process.
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