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AssigneeAltera Corporation
InventorsWilliam B. Vest, Dirk A. Reese, Myron W. Wong, John C. Costello
Estimating the term…
An output buffer comprising control circuit for reducing the amount of ground and/or power bounce noise. The output buffer further includes one or more driver devices. The output current of the driver device(s) is limited by providing an intermediate drive voltage to the control electrode of the driver device. A pass device (or a transmission gate) provides the intermediate drive voltage and also operates as a variable resistive device that limits the slew rate of the drive voltage. The operation of the pass device can be dependent on a signal level at the output of the output buffer. When the output has transitioned to a new logic state, the new logic level is fed back to change the operating state of the pass device, thus ensuring that the output voltage meets the output VOL and VOH specifications.
An integrated circuit comprising:
An output buffer circuit comprising:
An output buffer circuit comprising:
An output buffer circuit comprising:
An output buffer circuit comprising:
Dependencies are inferred from the claim text.