STMicroelectronics unveils the first 512Mbit and 1Gbit NAND-Flash chips
STMicroelectronics launched the mass production of 1Gbit and 512Mbit NAND-Flash chips that are company´s first NAND-Flash products. According to the press release, NAND1G and NAND512 will be available in two modifications, with 1.8V and 3.0V voltages (NAND01GR3A, NAND512R3A and NAND01GW3A, NAND512W3A, respectively.)
Chips are organized as 32 pages x 4096 x 8192 blocks that make up the single address space. Block deletion performance is 2ms, page size is 528 bytes (512 + 16 free) or 264 Words (256 + 8 free) depending on chip bus (x8 or x16). Free bytes are stored to mark bad blocks, ECC or program flags. Each block endures up to 100,000 rewrite cycles, data storage time is 10 years.
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