AMD introduces advanced flash memory devices

AMD offers 1.8 volt flash memory devices targeted at next-generation cellular phone applications.

AMD offers 1.8 volt flash memory devices targeted at next-generation cellular phone applications.

HONG KONG, 23 June 2000 - AMD has revealed its latest Flash memory products, the 32 Megabit Am29BDS323 and the 64 Megabit Am29BDS643.

These devices combine AMD's Simultaneous Read/Write architecture with Burst mode interfaces and Super Low Voltage technology.

Operating at speeds from 40Mhz to 54Mhz, these products are ideal for next-generation cellular phone applications that include innovations such as Internet connectivity, PDA functionality, video streaming and MP3 capability.

"AMD is the first supplier to meet Nokia's Flash memory requirements to address the high data rates of next-generation cellular phones such as GPRS, EDGE and 3G. AMD's exceptionally fast 32 Megabit and 64 Megabit products enable us to provide the most advanced cellular solutions in the market," said Rune Lindholm, Nokia's principal scientist of Baseband Architectures.

The Am29BDS643 has a burst access time of 13.5ns and the Am29BDS323 has a burst access time of 20ns. The high speed Burst mode capability allows microprocessors to operate at optimal performance levels by reducing the number of wait states required to read code and data from the flash.

In order to effectively support Nokia's circuit board topography, AMD has packaged these products in a newly developed 0.5 mm Fine pitch Ball Grid Array (FBGA) and multiplexed the address and data pins to minimize the input/output pin count. The reduced pin configuration combined with AMD's packaging technology allows for easier board routing and helps to conserve board space.

The Am29BDS323 and the Am29BDS643 are able to continuously read data from one memory bank while executing erase/program functions in another bank through AMD's Simultaneous Read/Write technology.

The Am29BDS323 has two independent memory banks of 8 megabits and 24 megabits, while the Am29BDS643 is partitioned into two banks of 16 megabits and 48 megabits. System designers can thus combine the functionality of several memory devices into one, resulting in reduced component costs.

These features are combined with AMD's Super Low Voltage technology which provides single 1.8 volt read, program, and erase capability.

AMD is the first to offer 1.8 volt flash memory devices, enabled by AMD's patented negative gate erase architecture. Like all of AMD's low voltage Flash memory devices, the Am29BDS323 and Am29BDS643 offer Zero Power Operation, where they automatically enter "sleep mode" when not in use and consume only 0.2uA of current.

About AMD
AMD is a global supplier of integrated circuits for the personal and networked computer and communications markets. AMD produces microprocessors, flash memory devices, and support circuitry for communications and networking applications.

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