Static information storage and retrieval – Read/write circuit – Differential sensing
Reexamination Certificate
2007-05-22
2007-05-22
Nguyen, VanThu (Department: 2824)
Static information storage and retrieval
Read/write circuit
Differential sensing
C365S190000, C365S205000, C365S207000, C365S210130
Reexamination Certificate
active
11030777
ABSTRACT:
An apparatus included in a semiconductor memory device for precharging a bit line and a bit line bar and sensing and amplifying a data delivered to one of the bit line and the bit line bar includes a precharge means for precharging the bit line and the bit line bar as a ground; a sense amplifying means for sensing and amplifying the data by using a low voltage having a lower voltage level than the ground and a high voltage having a higher voltage level than a supply voltage; and an auxiliary sense amplifying means coupled to the bit line and the bit line bar for controlling each voltage level of the bit line and the bit line bar.
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Ahn Jin-Hong
Kang Hee-Bok
Blakely & Sokoloff, Taylor & Zafman
Hynix / Semiconductor Inc.
Nguyen Van-Thu
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