Integrated circuit device having internal fast clock source
US5598447A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 10, 1993 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | May 10, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L7/0995
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An integrated circuit device is comprised of an input interface, a PLL unit, a processing unit and an output interface. The input interface operates in response to an external clock signal for sequentially receiving input data in synchronization with an external synchro signal. The PLL unit includes an internal clock source operative in phase-locked manner according to the external synchro signal for generating an internal clock signal which is faster than the external clock signal. The processing unit operates in response to the internal clock signal for sequentially processing the input data. The output interface operates in response to the external synchro signal for sequentially outputting the processed data in synchronization with the external synchro signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.