Power-on management circuit for memory

Details Power-on management circuit for memory Power-on management circuit for memory

2009-04-08

2010-12-21

Le, Thong Q (Department: 2827)

Static information storage and retrieval

Powering

C365S194000, C365S241000, C365S191000, C365S227000, C365S189080

Reexamination Certificate

active

07855930

ABSTRACT:
A power-on management circuit for a memory device is provided. The power-on management circuit comprises a first external power-on voltage detector, a second external power-on voltage detector, a delay unit, a logic circuit, an internal power-on voltage detector, a voltage control circuit, a plurality of first electric pumps and a second electric pump. The first external power-on voltage detector has a first voltage threshold, receives a first external voltage, and generates a first control signal when the first external voltage is higher than the first voltage threshold. The second external power-on voltage detector has a second voltage threshold, receives a second external voltage, and generates a second control signal when the second external voltage is higher than the second voltage threshold.

REFERENCES:
patent: 6768354 (2004-07-01), Yamazaki et al.

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