And in the rankings, Intel Corp. is trailing near the back of the pack. Samsung remained in first place in terms of NAND share in the second quarter, followed in order by Toshiba, Hynix, Micron, Intel, Numonyx and Renesas, according to iSuppli. (See rankings table on page 2)

Global NAND flash memory revenue declined to $3.36 billion in the second quarter, down 2.5 percent from $3.45 billion in the first quarter, according to the firm. Five of the top-7 NAND suppliers posted either declines or zero growth in revenue during the period, according to the research firm.

The NAND flash market has seen a sharp downturn since the beginning of 2008. iSuppli has cut its 2008 NAND annual flash revenue growth forecast from 9 percent to virtually zero.

In the rankings race, Korea's Samsung maintained its No. 1 position in the NAND market with 42.3 percent market share recorded during the second quarter of 2008, according to iSuppli. In the quarter, Samsung's NAND sales hit $1.422 billion, down 1.9 percent from the first period, according to iSuppli.

Japan's Toshiba Corp. maintained its No. 2 position in the NAND market with 27.5 percent market share recorded during the second quarter of 2008, according to iSuppli. In the quarter, Toshiba's NAND sales hit $925 million, down 1.8 percent from the first period, according to iSuppli.

Korea's Hynix Semiconductor Inc. maintained its No. 3 position in the NAND market with 13.4 percent market share recorded during the second quarter of 2008, according to iSuppli. In the quarter, Hynix' NAND sales hit $450 million, down 13.1 percent from the first period, according to iSuppli.

Micron Technology Inc. maintained its No. 4 position in the NAND market with 8.9 percent market share recorded during the second quarter of 2008, according to iSuppli. In the quarter, Micron's NAND sales hit $300 million, up 11.9 percent from the first period, according to iSuppli.

Intel Corp. maintained its No. 5 position in the NAND market with 5.2 percent market share recorded during the second quarter of 2008, according to iSuppli. In the quarter, Intel's NAND sales hit $174 million, up 4.8 percent from the first period, according to iSuppli.