The Latest single-wire serial EEPROM Product Released from Microchip Enables Remote Identification

Information Technology Press Releases Thursday November 9, 2017 11:00
BANGKOK--9 Nov--PRNewswire/InfoQuest
The AT21CS11 memory device offers an extended voltage range to accommodate lithium-ion battery applications

A single-wire, two-pin Electrically Erasable Programmable Read-Only Memory (EEPROM) device with a 2.7V to 4.5V operational voltage range is now available from Microchip Technology Inc. (NASDAQ: MCHP). The AT21CS11 is ideal for identifying and authenticating remote items, such as cartridges or cables, where space for electronic components is limited.

Each AT21CS11 contains both a preprogrammed unique serial number and five EEPROM memory sections. Any or all of the memory sections can be permanently locked by the end-equipment manufacturer to allow tracking of products and identifying attachments to assist with counterfeit prevention. The EEPROM is ideal for customers who need to warranty their product or prevent counterfeits and ensure proper continued operation of their goods through authorised replacements.

The AT21CS11 is the second single-wire EEPROM offered by Microchip. The new device extends the operating voltage to 4.5V making it suitable for lithium-ion battery-powered devices such as disposable medical devices and e-cigarettes.

The new device connects to a system through a Single Input/Output (SI/O) wire that serves as both the communication and the power supply to the part. Needing only one wire and a ground allows makers of Fiber to the Home (FTTH) cable ends to add critical cable characteristic parameters to different cable types. The SI/O wire also enables a simple two-point mechanical snap-in or twist-on connector for disposable devices where larger three, five or eight-wire solutions become impractical.

By locating the EEPROM in a detachable cable or cartridge, manufacturers can create attachments that can be easily identified or authenticated. The device has 1 Kbit of EEPROM memory (four sectors of 256 bits each), a 64-bit serial number and 128-bits for extra user-programmable tracking memory. The extra memory allows designers to add unique identification and operating parameters, such as consumption and usage information, in locations that can be remote from the main electronics.

"Microchip is the market leader in EEPROMs across all serial and parallel interfaces," said Randy Drwinga, vice president of Microchip's Memory Products Division. "The single-wire options in our lineup allow customers to add EEPROM intelligence to remote devices over the simplest connection possible."

For more information about the AT21CS11, visit: www.microchip.com/at21cs11 .
Availability

The AT21CS11 is available today for sampling and in volume production in a variety of package options in 10,000 unit quantities. The AT21CS01/AT21CS11 Single-Wire Evaluation Kit (part #DM160232) is also available.

For additional information, contact any Microchip sales representative or authorised worldwide distributor, or visit Microchip's website. To purchase products mentioned in this press release, go to Microchip's easy-to-use online sales channel   microchipDIRECT or contact one of Microchip's authorised distribution partners.

Resources
High-res images available through Flickr or editorial contact (feel free to publish):
  • PR graphic: www.flickr.com/photos/microchiptechnology/23926936368/sizes/l
  • Chip image: www.flickr.com/photos/microchiptechnology/37779583131/sizes/l
About Microchip Technology

Microchip Technology Inc. (NASDAQ: MCHP) is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality. For more information, visit the Microchip website at www.microchip.com .

Note: The Microchip name and logo and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. Other trademarks mentioned herein are the property of their respective companies.

For more information, please contact:
Daphne Yuen (Microchip): (+852) 2943 5115
(email: daphne.yuen@microchip.com )
Photo - https://photos.prnasia.com/prnh/20171023/1972302-1

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