Amplifier and method for sensing having a pre-bias or coupling s

Details Amplifier and method for sensing having a pre-bias or coupling s Amplifier and method for sensing having a pre-bias or coupling s

1995-06-07

1997-09-02

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Differential sensing

365205, 365207, 327 53, 327 54, 327 56, G11C 700

Patent

active

056639155

ABSTRACT:
An improved current sensing differential amplifier which includes a separate p-channel bias stage to reduce the minimum operating voltage VCC of the circuit. The separate p-channel bias stage is also used to pre-bias a driver stage to more quickly generate differential output currents. Finally, the improved current sensing differential amplifier also includes negative feedback transistors to improve the recovery time of the circuit.

REFERENCES:
patent: 4553053 (1985-11-01), Ong et al.
patent: 4766333 (1988-08-01), Mobley
patent: 5280205 (1994-01-01), Green et al.
patent: 5325001 (1994-06-01), Brunolli
patent: 5544114 (1996-08-01), Gaultier et al.

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