Soft latch circuit having sharp-cornered hysteresis characterist

Details Soft latch circuit having sharp-cornered hysteresis characterist Soft latch circuit having sharp-cornered hysteresis characterist

1997-10-31

1999-09-07

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

327210, 327214, H03K 3037

Patent

active

059492651

ABSTRACT:
A soft latch circuit having a first and second inverter is disclosed. The output of the first inverter is connected to the input of the second inverter, and the output of the second inverter is connected to the input of the first inverter. The first inverter includes a complimentary pair of field-effect transistors (FETs). The second inverter includes either a complimentary pair of current mirrors, or a current mirror and a complimentary FET, the latter providing improved noise immunity characteristics when the soft latch is set in only one direction.

REFERENCES:
patent: 4295062 (1981-10-01), Mihalich et al.
patent: 4786825 (1988-11-01), O'Shaughnessy et al.
patent: 5107137 (1992-04-01), Kinugasa et al.
patent: 5369319 (1994-11-01), Good et al.
patent: 5382840 (1995-01-01), Massoner
patent: 5512852 (1996-04-01), Kowalski
patent: 5608344 (1997-03-01), Marlow

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