Patent Number: 7,355,449

Title: High-speed serial data transmitter architecture

Abstract: Serial data transmitter circuitry on a PLD includes a number of features that enable the transmitter to support many different communication protocols under a wide range of circuit conditions. Examples of features that the transmitter may include are (1) multiple pre-emphasis circuits of selectable strength and polarity, (2) selectable VOD, (3) selectable slew rate, (4) calibratable termination, (5) selectable common mode voltage, and (6) electrical idle mode.

Inventors: Tran; Thungoc (San Jose, CA), Shumarayev; Sergey Yuryevich (San Leandro, CA), Asaduzzaman; Kazi (Fremont, CA), Wong; Wilson (San Francisco, CA), Luo; Mei (San Jose, CA), Patel; Rakesh (Cupertino, CA)

Assignee: Altera Corporation

International Classification: H03K 19/094 (20060101)

Expiration Date: 2020-04-08 0:00:00