Input device for a semiconductor device

Details Input device for a semiconductor device Input device for a semiconductor device

2007-02-27

2007-02-27

Barnie, Rexford (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S083000, C326S086000, C326S087000

Reexamination Certificate

active

10963283

ABSTRACT:
Disclosed is an input device for a semiconductor device that optimizes the performance characteristic of the semiconductor device using off-chip driver information. The input device includes at least two buffers, connected in parallel to an electrostatic discharge (ESD) circuit, for buffering an input signal applied through the ESD circuit. The buffers have delay times different from each other, one of the buffers is selected using off-chip driver information detected from an output driver and the input signal is transferred through the selected buffer. The signal transfer path of the input device is optionally be selected using the off-chip driver information of the output drivers, and a stable input/output operation of the semiconductor device is achieved even if the performance characteristic of the semiconductor device is changed due to the skew occurring in the fabricating process of the semiconductor device.

REFERENCES:
patent: 6466055 (2002-10-01), Gaboury

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