Differential amplifier circuit capable of accurately amplifying even high-speeded signal of small amplitude
AssigneeFujitsu Limited
InventorsYoshie Kanamori, Hideki Takauchi, Hideki Ishida
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Abstract
A differential amplifier circuit has a latch unit and a differential input portion. A minute current is kept to flow through the differential input portion. Therefore, the differential amplifier circuit can accurately amplify even a signal high in speed and small in amplitude.
Claims35
A differential amplifier circuit comprising a latch unit and a differential input portion, wherein a minute current is kept to flow through said differential input portion.
A semiconductor integrated circuit device having a differential amplifier circuit receiving a differential signal, a latch circuit latching an output signal of said differential amplifier circuit, and a clock source generating a clock and supplying the generated clock to said differential amplifier circuit, wherein said differential amplifier circuit comprises a latch unit and a differential input portion, wherein a minute current is kept to flow through said differential input portion.
Dependencies are inferred from the claim text.