Kilopass Announces Breakthrough Memory Technology for IoT Devices

SAN JOSE, CA -- (Marketwired) -- Nov 10, 2015 -- Kilopass Technology, Inc., the leading provider of semiconductor embedded non-volatile memory (eNVM) intellectual property (IP), will unveil at ARM TechCon its new eNVM, the X2Bit™ bitcell, delivering 10X power reduction compared to currently available eNVM technologies.

The patent-pending X2Bit bitcell has been silicon proven since Q2 2015, and its use in the macro-level Gusto™ product line will be optimized for extremely low-power Internet of Things (IoT) devices in Q1 2016.

Kilopass has pioneered the antifuse One-Time-Programmable (OTP) eNVM technologies since 2001, including all variants of 1 transistor (1T), 1.5T, 2T, 3T, and 3.5T versions. A new programming method for its most popular bitcell topology, the 2T bitcell, yielded the 10X improvement in lower power consumption.

"The X2Bit bitcell is a very exciting innovation, and somewhat unexpected in my long career in the non-volatile memory industry," remarks Harry Luan, Kilopass' chief technology officer. "The tenfold improvement is obviously important for the emerging IoT market. But to achieve it without having to change any bitcell architecture, topology, or layout means we can go right to the market and deliver the benefits to our licensees without years of field trial and validation. It's truly remarkable."

The X2Bit Bitcell Technology
The X2Bit bitcell retains the configuration of the existing bitcell in the current XPM™, Gusto-2™, and SecretCode™ OTP products. However, using a patented new programming method, the new bitcell achieves a much lower turn-on voltage, the voltage at which the "1" memory bitcell generates current to distinguish itself from the "0" bitcell. For example, in the 55nm technology, popular for IoT devices, traditional Kilopass OTP bitcells have a typical turn-on voltage of more than 1V. With the X2Bit bitcell, the turn-on voltage that is much lower than 1V. As a result, Kilopass products employing the X2Bit bitcell would operate with core voltage supplies as low as 0.75V that are used in the emerging Ultra-Low-Power (ULP) process technologies from semiconductor manufacturers.

"We are excited about the potential of the X2Bit bitcell memory bitcell," says Linh Hong, vice president of marketing at Kilopass. "The X2Bit bitcell technology is a quantum step forward in the development of antifuse NVM IP in the standard logic process. We believe it's the next natural step to deliver the relentless cost, power, performance and integration improvements the industry demands."

Implementation Benefits
The X2Bit bitcell is ideally suited for next-generation IoT devices that demand less than 10uA/MHz in read currents. Currently available eNVM technologies typically consume 100uA/MHz under comparable operating conditions. The X2Bit bitcell lowers the turn-on voltage by optimizing the programming condition. This patent-pending implementation results in a more ohmic programming of the N-MOS transistor with controlled locality toward the source, drain region rather than in the middle of the channel.

Benefits are twofold. First, since power consumption is directly proportional to the square of operating voltage, lowering the read voltage by two-thirds would result in tenfold power reduction. Equally important, with lower turn-on voltage, the memory macro would be able to operate at the same operating voltage as the rest of the chip, without resorting to power consuming charge pumps and voltage regulators.

Kilopass has completed the mini-array test vehicle of the X2Bit bitcell in a 65nm manufacturing process technology. The first product, likely the next-generation Gusto, using the X2Bit bitcell will tape-out in Q1, 2016. Pricing is available upon request.
For more information about taking advantage of the X2Bit bitcell, contact

Kilopass at ARM TechCon
Kilopass will exhibit at ARM TechCon (Booth #827), demonstrating the X2Bit bitcell Wednesday, November 11, and Thursday, November 12, from 11 a.m. until 6:30 p.m. at the Santa Clara Convention Center, Santa Clara, Calif.

About Kilopass
Kilopass Technology, Inc. is the leader in embedded non-volatile memory (NVM) intellectual property (IP). Its patented technologies of one-time programmable (OTP) NVM solutions have boundless capacity to scale to advanced CMOS process geometries. They are portable to every major foundry and integrated device manufacturer (IDM), and meet market demands for increased integration, higher densities, lower cost, low-power management, better reliability and improved security. Trusted by today's best-known brands, Kilopass' technology has been integrated by more than 170 customers, with 10-billion units shipped in over 500 industrial, automotive, consumer electronics, mobile, analog and mixed-signal, and internet of things (IoT) chip designs. For more information, visit or email

Follow Kilopass on Twitter at @kilopass_

For more information, contact:
Nanette Collins
Public Relations for Kilopass Technology
(617) 437-1822

Mary Svoboda
Kilopass Technology
(408) 709-2861 

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