Modified keeper half-latch receiver circuit

Details Modified keeper half-latch receiver circuit Modified keeper half-latch receiver circuit

1997-02-20

1999-04-13

Tokar, Michael

Electronic digital logic circuitry

Interface

Current driving

326 81, 326 83, H03K 190185

Patent

active

058942300

ABSTRACT:
An improved receiver circuit for making compatible data signals between semiconductor devices operating at different voltage levels is provided which is less prone to failure from electrostatic discharge (ESD) surges. The receiver comprises a half-latch keeper which is prevented from forward biasing during ESD surges thereby suppressing the establishment of harmful current paths which would otherwise pass through and damage receiver components.

REFERENCES:
patent: 4782250 (1988-11-01), Adams et al.
patent: 4836885 (1989-06-01), Breiten et al.
patent: 4963766 (1990-10-01), Lundberg
patent: 5117129 (1992-05-01), Hoffman et al.
patent: 5151619 (1992-09-01), Austin et al.
patent: 5319259 (1994-06-01), Merrill
patent: 5543733 (1996-08-01), Mattos et al.
patent: 5543734 (1996-08-01), Volk et al.
patent: 5646550 (1997-07-01), Campbell, Jr. et al.

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