Sense amplifier

Details Sense amplifier Sense amplifier

1987-04-15

1989-01-31

Popen, Joseph A.

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

307530, G11C 700

Patent

active

048021300

ABSTRACT:
A sense amplifier includes two cross-coupled field effect transistors capacitively coupled to respective bit lines from a memory cell. During a precharging operation two capacitors are charged to precharged voltages indicative of the threshold dispersion voltage between the two transistors. Thereafter, during a sensing operation, the precharged voltages are applied to the gates of the transistors to compensate for the threshold dispersion voltage.

REFERENCES:
patent: 4039861 (1977-08-01), Heller et al.
S. E. Schuster, "Sense Amplifier with Resistive Decoupling of Bit Lines", IBM Technical Disclosure Bulletin, vol. 23, No. 7A, Dec. 1980, pp. 3037-3038.

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