Ultra high sensitivity sense amplifier for memories employing si

Details Ultra high sensitivity sense amplifier for memories employing si Ultra high sensitivity sense amplifier for memories employing si

1975-07-10

1977-06-21

Fears, Terrell W.

Communications: electrical

Digital comparator systems

340173CA, 307238, 307279, G11C 1140

Patent

active

040315223

ABSTRACT:
This disclosure relates to a high impedance regenerative differential sense amplifier for use with an integrated circuit memory array of single transistor cells. Each of the sense amplifiers is formed of a cross coupled latch connected to the respective columns by source followers and leads from the latch drive write back gates coupled to the respective columns so as to restore a "zero" level of a cell and also leave a precharged "one" level with the cell by charging the appropriate column. The respective columns are initially precharged and balanced and then driven by negative going signals.

REFERENCES:
patent: 3806898 (1974-04-01), Askin

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