Voltage supply circuit for memory array programming

Details Voltage supply circuit for memory array programming Voltage supply circuit for memory array programming

2007-08-21

2007-08-21

Phung, Anh (Department: 2824)

Static information storage and retrieval

Powering

C365S189110, C365S156000

Reexamination Certificate

active

11250913

ABSTRACT:
According to one exemplary embodiment, a memory array includes a number of bitlines. The memory array further includes a voltage supply circuit, where the voltage supply circuit is configured to receive an operating voltage and a control signal and to output a low output voltage in a switching mode and a high output voltage in a programming mode. The low output voltage can be approximately equal to the operating voltage in the switching mode. In the programming mode, the high output voltage is greater than the operating voltage. According to this exemplary embodiment, the voltage supply circuit is in the programming mode when one of the bitlines is selected for programming. The voltage supply circuit is in the switching mode if none of the bitlines is selected for programming. The high output voltage can cause a bitline programming voltage to be applied to a selected bitline in the programming mode.

REFERENCES:
patent: 5963061 (1999-10-01), Briner
patent: 6208200 (2001-03-01), Arakawa
patent: 6670828 (2003-12-01), Ramaswamy
patent: 2004/0052146 (2004-03-01), Sim
patent: 2006/0012400 (2006-01-01), Sugawara

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