Boost clock circuit for driving redundant wordlines and sample wordlines

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United States of America Patent

PATENT NO 4922128
SERIAL NO

07296995

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A boost clock signal generator which provides a boost clock signal from a pair of phase clocks. A pair of differentially-connected FET transistors which generate a boost clock signal. The transistors have drain connections connected to each of two clock signals, and commonly connected sources which form an output terminal for the boost clock signal. A series pass FET transistor is connected with each gate of the differential transistors for maintaining the gate at a floating voltage potential. A pair of capacitive elements couple the drain of each pair of differentially-connected FET transistors to the gate of an opposite transistor. A first and second logic circuit are connected to the series pass FET transistors for enabling one or the other of the differnetially-connected FET transistors into conduction. The pair of capacitive coupling elements coupling the drain of each pair of differentially-connected FET transistors to the gate of an opposite transistor increase switching speed of the clock signal generator.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATION A CORP OF NYARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dhong, Sang H Mahopac, NY 60 1874
Hwang, Wei Armonk, NY 93 2867
Lu, Nicky C Yorktown Heights, NY 20 1064

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