Electronic digital logic circuitry – With test facilitating feature
Reexamination Certificate
2007-02-27
2007-02-27
Cho, James (Department: 2819)
Electronic digital logic circuitry
With test facilitating feature
C326S038000, C326S059000, C714S024000, C714S025000, C714S733000
Reexamination Certificate
active
10405328
ABSTRACT:
A threshold detection circuit for developing a mode trigger signal includes an input that receives an input signal. In response to the input signal having approximately an input threshold value for a triggering time, the threshold detection circuit activates the mode trigger signal on an output. In response to the input signal being substantially different from the input threshold value or the input signal not having the input threshold value for the triggering time, the circuit deactivates the mode trigger signal. The threshold detection circuit may be contained in a variety of different mode detection circuits for detecting when an integrated circuit is to be placed in a test mode or other desired mode of operation, and such mode detection circuits may be contained in a variety of different types of integrated circuits, such as memory devices generally and SRAMs specifically.
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Cho James
Crawford Jason
Dorsey & Whitney LLP
Micro)n Technology, Inc.
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