Synchronous semiconductor memory device

Static information storage and retrieval – Read/write circuit – Precharge

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

365204, 36523003, 36523008, 365233, G11C 700

Patent

active

059369035

ABSTRACT:
A synchronous dynamic RAM capable of segmentally precharging each memory bank. In this SDRAM, each memory bank is divided into multiple memory blocks. Each of these memory blocks internally has its own row access circuitry, but performs independent precharging operation. Access to the memory bank can be cooperative externally, and precharge operation can be separately applied to these memory blocks while allowing utilization of row cache that is available on other blocks. The SDRAM further includes a control device for generating a dedicated precharge signal to each memory block according to a precharge signal for each memory bank. Each dedicated precharge signal independently precharges the corresponding memory block regardless of the access operations executed by other memory blocks. The dedicated precharge signal and a succeeding activate signal for activating a different memory block are overlapped in timing so that the precharge sequence is implanted in the succeeding activate signal and the data access time is shortened.

REFERENCES:
patent: 4602354 (1986-07-01), Craycraft et al.
patent: 4636664 (1987-01-01), Craycraft et al.
patent: 5511029 (1996-04-01), Sawada
patent: 5517462 (1996-05-01), Iwamoto et al.
patent: 5691949 (1997-11-01), Hively et al.
patent: 5825710 (1998-10-01), Teng et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Synchronous semiconductor memory device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Synchronous semiconductor memory device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Synchronous semiconductor memory device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1126553

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.