Reference switching circuit for flash EPROM

Details Reference switching circuit for flash EPROM Reference switching circuit for flash EPROM

1994-02-03

1995-02-14

Harvey, Jack B.

Static information storage and retrieval

Floating gate

Particular biasing

365207, 365210, 365218, G11C 1134, G11C 702

Patent

active

053901460

ABSTRACT:
A circuit for switching the source regions of reference devices used in a flash EPROM from ground potential to a potential of 3.5 volts during programming. This prevents charging of the floating gates of the reference devices on the selected word line and the discharging of the floating gates of the reference devices on the non-selected word lines.

REFERENCES:
patent: 4301518 (1981-10-01), Klaas
patent: 4698787 (1987-10-01), Mukherjee et al.
patent: 4713797 (1987-12-01), Morton et al.
patent: 4879682 (1989-11-01), Engles
patent: 4888738 (1989-12-01), Wong et al.

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