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AssigneeAltera Corporation
InventorsBonnie I. WANG, Weiqi DING, Tim Tri HOANG, Richard HERNANDEZ, Haidang LIN
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A voltage-mode differential driver is disclosed. The differential driver includes two driver arms, each driver arm including a variable-impedance driver for driving a single-ended output signal. Each variable-impedance driver comprises multiple driver slices, where each driver slice includes a pre-driver circuit and a driver circuit. Advantageously, it has been determined that the disclosed voltage-mode driver design requires less power than conventional current-mode drivers. In one implementation, the disclosed voltage-mode driver design provides the capability of independently programming the delay of the two single-ended outputs so as to compensate for differential skew. Other embodiments and features are also disclosed.
A differential driver for driving a differential signal, the differential driver comprising:
A method for driving a differential signal, the method comprising:
An integrated circuit comprising:
Dependencies are inferred from the claim text.