Title: Input receiver with hysteresis and its construction method and integrated circuit
Application Number: 200410102608 Application Date: 2004.12.24
Publication Number: 1691044 Publication Date: 2005.11.02
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G06G7/78;H03K19/00
Applicant(s) Name: VIA Tech Inc. Address:
Inventor(s) Name: Lundberg James R.
Attorney & Agent: liang hui xu jinguo
Abstract:
    An input receiver with hysteresis including a differential sense amplifier, a reference circuit having a reference node providing a reference signal at a nominal threshold voltage level, and a switching stack device. The amplifier has a first input which receives an input signal, a second input coupled to the reference node, and an output which provides an output signal having first and second states indicative of the input signal. The switching stack device operates to adjust the reference signal based on the output signal between upper and lower threshold levels in an opposite direction of the input signal. The reference circuit may be a voltage divider that divides a power voltage signal to develop the reference signal.
Time: 9
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