Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1994-07-20
1998-03-17
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
36523008, H03K 3356, H03K 0013, G11C 800
Patent
active
057291608
ABSTRACT:
A device and method for self-timed, temporary disabling or latching of an electric circuit. A first portion of the circuit has sensing means for sensing a change in the value of an output signal of a second circuit portion corresponding to a change between logic states. The first circuit portion also includes immobilizing means responsive to the sensing means for temporarily disabling or latching the second circuit portion. The immobilizing means functions after such a change in logic state has occurred and, in addition, when the output signal of the second circuit portion has acquired a value corresponding to a predetermined logic state. Disabling occurs when the immobilizing means turns off a switch of the second portion. Latching occurs when the immobilizing means activates latch means of the second portion, thereby fixing voltage level(s) and corresponding logic state(s).
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Callahan Timothy P.
Gray Brian W.
Lam T.
Macchione Alfred A.
Mosaid Technologies Incorporated
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