Low-Power Integrated Circuit Design Solutions

Low power consumption is a key requirement in most VLSI and SoC designs. Common low-power design methods utilize clock gating, power switching, low-power (slow) gates or similar approaches. Additionally, SoC designs can have challenging target noise requirements.

InnovaClockControl reduces VLSI and SoC power consumption and power dissipation, while improving power delivery network (PDN) integrity. Unlike clock gating or power switching, InnovaClockControl achieves power reduction and noise reduction benefits on the active clocked chip circuitry.

InnovaClockControl architecture schedules logic operation to reduce VLSI and SoC peak current, to reduce PDN transient current di/dt, and to reduce rms current that can heat power grids. As power-interconnect IR drop and Ldi/dt are reduced, power-supply operating voltages can be reduced to decrease power consumption.

InnovaClockControlTM High-Level Conceptual Diagram

InnovaClockControl Architecture

InnovaClockControl is implemented at register transfer level (RTL) and tested through simulations using industry-standard tool flows on the ISCAS’85 benchmark circuits, OpenCore circuits and LEON processor multiplier circuit in 45-nm node CMOS. Experimental results indicate that peak power can be reduced:

iscas85 benchmarks peak power reduction

Experimental results also indicate that RMS (heating) Current can be reduced:

opencores rms current reduction

The small area increase for InnovaClockControl depends on the design. In ISCAS’85 benchmark circuits technology mapped to 45 nm, the area increase is only 0.33% to 2.73% (1.22% average). InnovaClockControl significantly reduces the peak power without significantly increasing clock-power or area overhead.

RTL functional and timing verification are re-confirmed with standard tools.

InnovaClockControl is a revolutionary advance in clock architecture, affording SoC developers performance gains and cost advantages. It enables:

InnovaClockControl offers MEGA benefits including:

 

This page may include predictions, estimates or other information that might be considered forward-looking. While these forward-looking statements represent our current judgment on what the future holds, they are subject to risks and uncertainties that could cause actual results to differ materially. You are cautioned not to place undue reliance on these forward-looking statements, which reflect our opinions only as of the date of this presentation. Please recognize that we are not obliged to revise or publicly release the results of any revision to these forward-looking statements in light of new information or future events.