Semiconductor integrated circuit device having standard cell...

Details Semiconductor integrated circuit device having standard cell... Semiconductor integrated circuit device having standard cell...

2009-01-21

2010-11-30

Tran, Anh Q (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

C326S038000, C326S101000, C326S102000

Reexamination Certificate

active

07843214

ABSTRACT:
A standard cell includes an input terminal, an output terminal, first and second inverters coupled in series between the input and output terminals, the first inverter including a first transistor of a first conductivity type and a second transistor of a second conductivity type, the first transistor being coupled between a first power source terminal and a first node, and the second transistor being coupled between a second node and a second power source terminal, and a plurality of resistance elements which are used to provide a conductivity path between the first and second nodes, in order to adjust a duty ratio of a signal which passes the standard cell.

REFERENCES:
patent: 2008/0012617 (2008-01-01), Boerstler et al.
patent: 2008/0191751 (2008-08-01), Oh

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