Low voltage latch with uniform sizing
US6621318B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 1, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Jun 1, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/037
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Low voltage latches are designed such that all the transistors included in the latch are low threshold transistors and the low threshold transistors have the same channel dimensions, i.e., the same channel length and width. In order to meet this requirement and still provide a feedback signal of sufficient strength, latches according to the invention include feedback stages with multiple inverters. By using only transistors of the same channel length and width in the latches of the invention, the voltage scalability of the latches of the invention is increased significantly over that of prior art latches. One embodiment of the invention allows for minimum supply voltages of 85 millivolts, an improvement of over nine hundred percent compared with the typical prior art minimum voltage requirement of 800 millivolts,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.