Electronic digital logic circuitry – Interface – Supply voltage level shifting
Reexamination Certificate
2011-04-26
2011-04-26
Tran, Anh Q (Department: 2819)
Electronic digital logic circuitry
Interface
Supply voltage level shifting
C326S062000, C326S063000, C326S068000
Reexamination Certificate
active
07932747
ABSTRACT:
A circuit arrangement for shifting a voltage level comprises a data-current converter (2) that is connected to a first connection (K1) and that has an input for feeding a digital input data signal (DIN), a first output for providing a current (I), and also a second output for providing a reference current (I1), and a current-data converter (3) that is connected to a second connection (K2) and that has a first input for feeding the current (I), a second input for feeding the reference current (I1), and also an output for providing a digital output data signal (DOUT). Here, a voltage level of the digital output data signal (DOUT) is different from a voltage level of the digital input data signal (DIN). In addition, a method for shifting a voltage level is provided.
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Leonardo Vincenzo
Niederberger Mark
austriamicrosystems AG
Cohen Pontani Lieberman & Pavane LLP
Tran Anh Q
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