Krishman S Rengarajan

Title: Krishman S Rengarajan: Innovator in Semiconductor Technology

Introduction

Krishman S Rengarajan is a notable inventor based in Bengaluru, India. He has made significant contributions to the field of semiconductor technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is a semiconductor memory device that can relieve defective addresses. This invention generates a pre-decoded address at high speed in a semiconductor memory device. The device includes a pre-decoder for generating a first pre-decoded address by pre-decoding the input address. It also features a CAM circuit that activates a match signal in response to a defective memory cell indicated by the input address. Additionally, a ROM circuit outputs a second pre-decoded address and an enable signal based on the match signal. A multiplexer selects either the first or second pre-decoded address based on the enable signal. This invention eliminates the need for a circuit with numerous stages, allowing for high-speed generation of pre-decoded addresses.

Another significant patent involves a DLL circuit, a semiconductor device using the same, and a method for controlling the DLL circuit. This DLL circuit includes a delay line for delaying a clock signal, which consists of a plurality of cascade-connected variable delay elements. The variable delay elements have a differential circuit structure, allowing the delay value to be varied by a bias current. The circuit also includes a first controller for setting the bias current and a second controller for selecting an output-producing variable delay element from the group of variable delay elements.

Career Highlights

Krishman S Rengarajan is currently employed at Elpida Memory, Inc., where he continues to push the boundaries of semiconductor technology. His work has been instrumental in developing innovative solutions that enhance the performance and reliability of semiconductor devices.

Collaborations

He has collaborated with talented coworkers, including Ankur Goel and Shetti Shanmukheshwara Rao, contributing to a dynamic and innovative work environment.

Conclusion

Krishman S Rengarajan's contributions to semiconductor technology through his patents reflect his dedication to innovation and excellence in the field. His work continues to influence the development of advanced semiconductor devices, showcasing the importance of inventors in driving technological progress.