June 14, 2001 in Social Responsibility News

SAMSUNG Electronics Launches Low Power Consuming NAND Flash Memory

SEOUL, Korea # June 14, 2001 # Samsung Electronics announces product availability for its world’s first 128Mb NAND flash memory device that can operate on only 1.8 volts, making it well suited for next generation mobile phones, personal digital assistants, and portable appliances.

The new product satisfies JEDEC standards for low power consumption, voltage ranges of 1.65 to 1.95 volts. The low power consumption factor will extend battery life both during operation and on standby. Moreover the chip comes in a chip-sized package that measures a mere 9mm x 11mm x 1.0mm making it more attractive to mobile applications.
Samsung’s new NAND flash memory can be used in the same applications as the multi-level-cell 128Mb NOR flash memory, which requires 3 volts to operate. Not only does the NAND device save power, it sells for just half the price of the 128Mb NOR flash memory.

In addition, it is more compatible with micro-controller units (MCUs) and other logic devices, which are now changing over to the 0.25-micron design rule and are increasingly operating on 1.8 volts. A single 1.8-volt data bus can be used without the need for a separate 3.3-volt regulator. The system design of the finished product is simplified, reducing both production costs and product size.

The design architecture of Samsung’s new device employs NAND flash memory plus DRAM instead of NOR flash memory plus RAM. Conventional portable appliances are configured with NOR flash memory and operating memory that stores the booting and operating software (OS) codes in the NOR flash memory.

On the other hand, Samsung’s configuration of 1.8-volt NAND flash memory plus DRAM allows the booting and OS codes to be stored in the NAND flash memory. Once the power is turned on, the codes move to the DRAM, taking advantage of the extremely fast DRAM operating speed. Moreover, the NAND flash memory as well as the DRAM can support 1.8V, so the microprocessor and entire system can run on 1.8 volts.

Adopting the NAND flash memory plus DRAM design enhances performance as well. This design erases 63 times faster and writes 17 times faster than the NOR flash memory configuration. At the same time, erasing consumes only 1/200th as much power and writing requires just 1/60th of the power needed with NOR.

Samsung Electronics has begin mass-producing the 128Mb NAND flash memory this month. And plans to come out with a 256Mb version that fits in the same package in the second half of this year. The breakthrough device will change conventional thinking concerning semiconductor market limitations and will create new markets.

About Samsung Electronics
Samsung Electronics Co. Ltd. is a global leader in semiconductors, the consumer electronics industry, and digital convergence technology. With year 2000 sales of US $27 billion, Samsung employs approximately 66,000 people in 46 countries. The company is the world’s largest producer of memory chips, TFT-LCDs, CDMA mobile phones and monitors and the sixth-largest manufacturer of mobile phones. Samsung Electronics consists of four main business units: Digital Media, Semiconductor, Information & Communications, and Home Appliance Businesses. For more information, please visit http://samsungelectronics.

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