Address transition detecting circuit which generates constant pu

Details Address transition detecting circuit which generates constant pu Address transition detecting circuit which generates constant pu

1997-01-27

1997-12-09

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

327 34, 327 36, 327 37, 327 38, 3652335, H03K 317

Patent

active

056964633

ABSTRACT:
An address transition detecting circuit comprising a first address transition detecting stage for generating a first address transition detection signal, the first address transition detection signal having a pulse width which is constant and stable when a supply voltage is relatively low, a second address transition detecting stage for generating a second address transition detection signal, the second address transition detection signal having the same pulse width as that of the first address transition detection signal from the first address transition detecting stage when the supply voltage is relatively high, a switching stage for switching selectively the first and second address transition detection signals from the first and second address transition detecting stages to an output line, and a supply voltage detecting stage for detecting a level of the supply voltage and controlling the switching stage in accordance with the detected level.

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