Bipolar RAM cell

Details Bipolar RAM cell Bipolar RAM cell

1985-12-16

1987-09-29

Popek, Joseph A.

Static information storage and retrieval

Systems using particular element

Flip-flop

365190, G11C 1100

Patent

active

046972510

ABSTRACT:
A memory cell is provided having reduced read and write times, and a large current differential between the standby mode and the read mode. A pair of cross-coupled NPN transistors have their emitters coupled to a lower word line and their collectors coupled to an upper word line by a first and second load, respectively. First and second NPN sense transistors each have a base coupled to the base of one of the cross-coupled transistors, an emitter coupled to a first and a second bit line, respectively, and a collector coupled to receive a supply voltage.

REFERENCES:
patent: 4125877 (1978-11-01), Reinert
patent: 4373195 (1983-02-01), Toyoda et al.

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