Integrated circuit for storing operating parameters

Details Integrated circuit for storing operating parameters Integrated circuit for storing operating parameters

2006-05-09

2006-05-09

Nguyen, Tuan T. (Department: 2824)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S189030

Reexamination Certificate

active

07042773

ABSTRACT:
An integrated circuit includes a programming circuit (10) for generating programming signals (PS1, . . . , PS4) with a first input terminal (E1) for applying a control voltage (ES), a second input terminal (E2) for applying a reference voltage (Vref), a storage circuit (30) with programmable switches (35, . . . , 38) and output terminals (A1, . . . , A4). The programming circuit in each case generates a programming signal (PS1, . . . , PS4) when the control voltage (ES) exceeds a predefined threshold voltage formed from the reference voltage. The number of programming signals (PS1, . . . , PS4) is dependent on the magnitude of the threshold voltage exceeded by the control voltage (ES). The programming signals are used for programming the programmable switches (35, . . . , 38). The programming state of the programmable switches can be read out via the output terminals (A1, . . . , A4) of the integrated circuit. The integrated circuit enables the storage of external operating parameters of the integrated circuit.

REFERENCES:
patent: 4419747 (1983-12-01), Jordan
patent: 5903504 (1999-05-01), Chevallier et al.
patent: 6002627 (1999-12-01), Chevallier
patent: 6452825 (2002-09-01), Keeth et al.
patent: 6456557 (2002-09-01), Dadashev et al.
patent: 2002/0034097 (2002-03-01), Banks

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