High-speed, low-power input buffer for integrated circuit...

Details High-speed, low-power input buffer for integrated circuit... High-speed, low-power input buffer for integrated circuit...

2007-07-31

2007-07-31

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S077000, C327S093000

Reexamination Certificate

active

11092506

ABSTRACT:
A high-speed, low-power input buffer for an integrated circuit device in which the input voltage (VIN) is coupled to both a pull-up and a pull-down transistor. In accordance with a specific embodiment, the input buffer utilizes a reference voltage input (VREF) during a calibration phase of operation but not when in an active operational mode. A maximum level of through current is supplied when VIN=VREF with lower levels of through current at all other VIN voltages. In an integrated circuit device incorporating an input buffer as disclosed, two (or more) input buffers may be utilized per device input pin.

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