System for enhancing the performance of a circuit by reducing th

Details System for enhancing the performance of a circuit by reducing th System for enhancing the performance of a circuit by reducing th

1998-07-02

2000-03-07

Chang, Joni

Semiconductor device manufacturing: process

Forming bipolar transistor by formation or alteration of...

Complementary bipolar transistors

438236, 257344, H01L 218228

Patent

active

060339640

ABSTRACT:
Generally, decreasing the length of the channel in a CMOS transistor increases the speed of the transistor. However, the degree that the channel can be minimized is limited due to Hot Carrier Injection ("HCI"), which is related to the drain to source voltage and channel length. The present invention increases the speed of a circuit by decreasing the channel length of subset of transistors in the circuit. The subset is chosen by identifying instances where more than one transistor in series is used to discharge a capacitance. Those transistors are subject to lower drain to source voltages; therefore, the channel length can be reduced without suffering from the effects of HCI.

REFERENCES:
patent: 4740713 (1988-04-01), Sakurai et al.
patent: 4753898 (1988-06-01), Parrillo et al.
patent: 4857763 (1989-08-01), Sakurai et al.
patent: 4994404 (1991-02-01), Sheng et al.
patent: 5012306 (1991-04-01), Tasch, Jr. et al.
patent: 5036019 (1991-07-01), Yamane et al.
patent: 5043788 (1991-08-01), Omoto et al.
patent: 5063304 (1991-11-01), Iyengar
patent: 5455528 (1995-10-01), Partovi et al.
patent: 5487025 (1996-01-01), Partovi et al.
patent: 5508640 (1996-04-01), Partovi et al.
patent: 5606518 (1997-02-01), Fang et al.

Affiliated with

Also associated with

Rating

System for enhancing the performance of a circuit by reducing th does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for enhancing the performance of a circuit by reducing th, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for enhancing the performance of a circuit by reducing th will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-362455