Sense amplifier for programmable read only memory

Details Sense amplifier for programmable read only memory Sense amplifier for programmable read only memory

1987-03-09

1988-07-19

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307360, 307451, 365189, H03K 17693

Patent

active

047587482

ABSTRACT:
A sense amplifier for a programmable read only memory having a sense current source circuit for supplying memory cells in the memory with currents. The sense current source circuit is adapted to supply memory cells with a cell current for both a regular reading and a verify reading. A reference value of the cell current for the regular reading is selected to be higher than a reference value of the cell current for the verify reading, whereby a sufficient value of margin of voltage of a power source for the memory is ensured.

REFERENCES:
patent: 4179626 (1979-12-01), Oehler
patent: 4223394 (1980-09-01), Pathak et al.
patent: 4494219 (1985-01-01), Tanaka et al.
patent: 4565932 (1986-01-01), Kuo et al.
patent: 4599707 (1986-07-01), Fang
patent: 4654831 (1987-03-01), Venkatesh
patent: 4663740 (1987-05-01), Ebel

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