Method of converting short duration input pulses to longer durat

Details Method of converting short duration input pulses to longer durat Method of converting short duration input pulses to longer durat

1995-06-02

1996-10-22

Nelms, David C.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

327210, 327408, H03K 3017, H03K 3356, H03K 1762

Patent

active

055680763

ABSTRACT:
Output signals from a plurality of self reset CMOS a logic circuits are multiplexed by means of the plurality of input multiplex circuits and an output circuit. The multiplex circuits are individually enabled by means of a select lead and true and complement input signals to the multiplex circuits are supplied to input terminals of an output circuit in which the state of the true or complement input is latched to provide a static output. The inputs to the output circuits simultaneously provide an output and initiate the setting of the latch by means of a separate latch setting gate. An inverter tree within the output circuit maintains the state of the output on the output terminal of the output circuit after the latch has been reset. A test access to the output circuit allows a test signal to be gated into a test latch and subsequently gated into the primary latch of the output circuit to provide a test output. The state of the select signal and of the input signals may be latched in the input circuit for proper pulse alignment.

REFERENCES:
patent: 5155380 (1992-10-01), Hwang et al.
patent: 5164612 (1992-11-01), Kaplinsky
patent: 5250852 (1993-10-01), Ovens et al.
patent: 5280202 (1994-01-01), Chan et al.
patent: 5295174 (1994-03-01), Shimizu
patent: 5329529 (1994-07-01), Murphy et al.
patent: 5371766 (1994-12-01), Gersbach et al.
patent: 5410194 (1995-04-01), Freidin et al.

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