Browsing by Subject "Integrated circuits -- Very large scale integration"
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Item Algorithms for an IIL transistor-level logic simulator(Texas Tech University, 1986-05) Ramesh, SubramanianLogic Simulators play an important role in the VLSI design verification process. Integrated Injection Logic circuits have a topology which is different from that of other bipolar technologies such as TTL or ECL. Traditional logic simulators do the simulation at the logic gate level. If these simulators are to be used for IIL circuits, the IIL circuit will have to be converted to an equivalent "normal" form. The proposed work presented here follows a different approach: the circuit is simulated at a transistor level. For every transition that takes place, the time-delays are computed using a simple model. Parasitics and loading effects are included in the time-delay calculation. An existing three-valued simulation algorithm is modified to accommodate the time-delay calculations and the topology of IIL. Finally, the approximations used in the model are evaluated using detailed SPICE simulations.Item Analog VLSI implementation of a Gabor convolution for real time image processing(Texas Tech University, 1996-05) Moldovan, LaszloNot availableItem Efficient algorithms for gate matrix layout(Texas Tech University, 1988-05) Rathinaswami, Selliah CNot availableItem Modeling for control of an etch process in semiconductor fabrication(Texas Tech University, 1986-12) Wu, Feng-shangNot availableItem VLSI memory tester pin electronics system(Texas Tech University, 1990-05) Turner, Bruce ClayIn recent years, advances in the design and manufacture of integrated circuits have allowed the varieties and numbers of the devices to increase as never before. The rate of production of new and more sophisticated devices has been accelerated through the use of computer-aided design and manufacturing practices. Decreases in the time required to take a new design from the drawing board to a final product have proved beneficial to semiconductor manufacturers, but those companies must also be able to guarantee the operation of the devices they produce. The production of semiconductor devices involves a variety of sophisticated processes and verifying the operation of the final product can prove to be quite challenging.