High gain sense amplifier for small current differential

Details High gain sense amplifier for small current differential High gain sense amplifier for small current differential

1986-02-07

1987-06-02

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

365189, 365208, 307362, H03K 524, G11C 706

Patent

active

046706755

ABSTRACT:
A sense amplifier detecting a small current differential between a selected memory cell and a reference cell in a memory array includes a first pass transistor, a second pass transistor, a cross-coupled transistor arrangement and a differential amplifier. The cross-coupled transistor arrangement detect a small current differential between a bit sense current line and a bit sense reference current line. The difference current is amplified by the differential amplifier to produce an output data voltage indicative of the binary state of the selected memory cell.

REFERENCES:
patent: 3588537 (1971-06-01), Brink
patent: 4387448 (1983-06-01), Takemae et al.
patent: 4451907 (1984-05-01), Donoghue et al.
patent: 4467456 (1984-08-01), Oritani
"Multiplexed Sense Amplifier with Temporary Store for Noise Avoidance"; IBM-TDB; vol. 28, No. 2, pp. 643-644; 7/1985.

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