Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1997-05-22
2000-03-28
Wambach, Margaret R.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
327 73, 326 52, 326 53, 326113, 3401462, G06F 702
Patent
active
060436867
ABSTRACT:
In the design of an integrated circuit for comparing serial data signals, the number of transistor elements can be reduced by implementing the comparison gate (12) based on the associated truth table rather than by using a general comparison gate component. Using this method, an exclusive OR gate (22) can be implemented using two transistor elements (221, 222), an exclusive NOR gate (52) can be implemented using two transistor elements (521, 522), an AND gate (62) can be implemented using a single transistor element (621), and an OR gate (72) can be implemented using a single transistor element (721). The reduced number of elements used to implement the comparison gates can provide a transistor element saving in the associated circuit.
REFERENCES:
patent: 4585952 (1986-04-01), Yamamoto
patent: 5334888 (1994-08-01), Bodas
patent: 5414305 (1995-05-01), Nakamura et al.
patent: 5640115 (1997-06-01), Halepete et al.
Ghosh Anjana
Hashimoto Masashi
Donaldson Richard L.
Hoel Carlton H.
Holland Robby T.
Texas Instruments Incorporated
Wambach Margaret R.
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