Static four device memory cell

Details Static four device memory cell Static four device memory cell

1975-06-30

1976-07-13

Robinson, Thomas A.

Communications: electrical

Digital comparator systems

307238, 340173R, G11C 700, G11C 1140

Patent

active

039697088

ABSTRACT:
Disclosed is a field effect transistor (FET) memory array in which each of the cells forming the array comprises four FET's. The first and second of the four FET devices are cross-coupled while the third and fourth FET devices form loads for the cross-coupled pair. The load devices are never fully turned off so that complete D.C. stability is achieved with a four device cell because no one cell in an array of memory cells ever goes into a data retention mode.

REFERENCES:
patent: 3688280 (1972-08-01), Ayling et al.
patent: 3900838 (1975-08-01), Wiedmann
Wiedmann: Memory Cell with Low Standby Power, IBM Tech. Discl. Bull. No. 6, vol. 14, Nov. 1971, p. 1720.

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