Toshiba's low-power SRAM chip aims to cut device drain

Feb 25, 2013 by Nancy Owano report

(Phys.org)—Toshiba has announced a low-power embedded SRAM memory chip which may make future mobile devices last longer. Presenting its SRAM developments at the International Solid-State Circuit Conference in San Francisco in February, Toshiba said that its low-power design technique could help cut active and standby power consumption by 27 percent and 85 percent, respectively. Toshiba accomplished this by using a bit-line power calculator, or BLPC, to predict the power consumption of the bit lines and to monitor consumption of SRAM rest circuits, and a digitally-controllable retention circuit, or DCRC.

The DCRC is used to decrease standby power by updating the size of the buffer in the retention driver.

Toshiba noted its technology advancement is suited for smartphones and other mobile products. The technology reduces active and standby power in temperatures ranging from room temperature to high temperature through use of this BLPC and DCRC.

Tokyo-based Toshiba further noted that "longer requires in both high performance and low performance modes (MP3 decoding, background processing, etc.). As low performance applications require only tens of MHz operation, SRAM temperature remains around RT, where active and leakage power consumptions are comparable. Given this, the key issue is to reduce active and standby power from HT to RT."

Explore further: Samsung mass produces industry's first 8-gigabit DDR4 based on 20 nanometer process technology

More information: www.semicon.toshiba.co.jp/eng/… pics_130222_e_1.html

add to favorites email to friend print save as pdf

Related Stories

Toshiba develops many-core SoC for embedded applications

Jun 15, 2012

Toshiba Corporation today announced the development of an innovative low-power, many-core System-on-a-Chip (SoC) for embedded applications in such areas as automotive products and digital consumer products. ...

New energy-saving flip-flop circuit developed by Toshiba

Feb 21, 2011

Toshiba Corporation today announced that it has developed a new flip-flop circuit using 40nm CMOS process that will reduce power consumption in mobile equipment. Measured data verifies that the power dissipation ...

Recommended for you

Nokia turnaround since handset unit sale continues

5 minutes ago

Nokia appears to have turned around its fortunes after the sale of its ailing cellphone unit to Microsoft, reporting a third-quarter net profit of 747 million euros ($950 million), from a loss of 91 million euros a year earlier. ...

Yahoo CEO defends strategy in face of criticism

6 minutes ago

Signaling her reign has reached a pivotal juncture, Yahoo CEO Marissa Mayer is trying to convince restless shareholders that the long-struggling Internet company is heading in the right direction.

Sk Hynix logs all-time high Q3 earnings

21 minutes ago

SK Hynix, the world's second-largest memory chip maker, reported Thursday a record high quarterly net profit for the three months to September on strong sales and currency earnings.

Apple computer sells for record $905K in NY

30 minutes ago

One of the first Apple computers ever built has sold in New York for $905,000, leading Bonhams auction house to declare it the world's most expensive computer relic.

User comments : 2

Adjust slider to filter visible comments by rank

Display comments: newest first

VendicarE
1 / 5 (1) Feb 25, 2013
From HT to RT ay?

Now that IS informative.
antialias_physorg
3 / 5 (2) Feb 25, 2013
Check the link at the bottom

RT: room temperature
HT: high temperature (for a given, arbitrary value of 'high')