High density CMOS dynamic CAM cell

Details High density CMOS dynamic CAM cell High density CMOS dynamic CAM cell

1987-09-01

1988-12-13

Fears, Terrell W.

Static information storage and retrieval

Associative memories

Ferroelectric cell

365 51, 365189, G11C 1500

Patent

active

047916060

ABSTRACT:
A CMOS dynamic content addressable memory (CAM), having N- and P-channel transistors aligned in stripes for high packing density. In a preferred embodiment, each cell has a four transistor XOR gate for comparing a stored data bit with a comparand bit. Packing density is improved by symmetrically arranging each pair of neighboring rows and each pair of neighboring columns. The device, being of CMOS construction, has an inherently low soft error rate.

REFERENCES:
patent: 4559618 (1985-12-01), Houseman et al.

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