SRAM device capable of working in multiple low voltages without loss of performance

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United States of America Patent

PATENT NO 9865335
SERIAL NO

15424236

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Abstract

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A memory device comprises a tracking control circuit for controlling the write operation or the read operation of the memory device. The tracking control circuit comprises a plurality of tracking cells, wherein the timing characteristics of the tracking cells emulate the timing characteristics of a bit cell during a write operation or a read operation of the memory device. The memory device further comprises at least two reference word lines for configuring the number of tracking cells of the tracking control circuit; and a selection circuit configured to activate one or more of the at least two reference word lines.

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Patent Owner(s)

Patent OwnerAddress
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD8 LI-HSIN RD 6 HSINCHU SCIENCE PARK HSINCHU 300-78

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aggarwal, Pankaj Hsinchu County, TW 29 463
Chen, Chien-Yuan Hsinchu, TW 134 979
Chen, Yi-Tzu Hsinchu, TW 65 304
Cheng, Chiting Taichung, TW 77 690
Lee, Cheng Hung Hsinchu, TW 175 913
Shieh, Hau-Tai Hsinchu, TW 82 237
Tsai, Jui-Che Tainan, TW 54 137

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