Mar 8, 2013

ST claims first 128Mbit serial flash device

STMicroelectronics (ST) announced a new 128Mbit serial flash device, the M25P128, which is intended for code storage in a range of computer and consumer applications. The product complements ST's existing code storage portfolio (from 512Kbits to 64Mbits) and is the first serial flash device in the market in this density, said the company.

The M25P128 is built using the company's 2bits-per-cell flash technology, which stores two bits of information in each memory cell to double the density compared to traditional production technologies. It is said to suit applications including printers, mobile devices, games cartridges, server and PC BIOS, PC peripherals, graphics cards, hard disk drives, CD/DVD players and recorders, PDAs, networking equipment, electronic dictionaries, digital cameras and modems.

According to ST, the use of a high speed serial interface rather than a parallel memory bus saves board space and costs through the reduced number of signals in the 4-wire SPI compatible interface, and the reduced size of the die allows smaller packages to be used compared to standard flash products. In addition, the system's CPU or ASIC can also have a lower pin count.

The M25P128 is available in 8-by-6mm MLP8 and S016 packages; both use ST's lead-free technology for RoHS-compliance. Operating over a supply voltage range of 2.7V to 3.6V, the M25P128 is specified for the -40°C to 85°C operating temperature range. Data retention is over 20 years, and the device guarantees more than 10,000 erase/program cycles per sector. Software features include both bulk erase and sector erase, flexible page program instructions, write protection and a JEDEC standard 16bit electronic signature to allow easy device identification.

Samples of the M25P128 are already available, with volume production planned for the first quarter of 2006. U.S. pricing is approximately $4.20 in volume.


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