Toshiba develops 24nm nand with toggle-mode ddr for mobile phones

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Toshiba has productieproced lwa for nand-chips improved. The flash memory is now 24nm produced, some smaller chips. The company processes the chips in mmc products for portable equipment.

The embedded mmc-products, in which Toshiba the 24nm chips processed to, inter alia, in smartphones, tablets, and other portable hardware to be applied. Toshiba combines its nand chips with an e-mmc controller, whereby the toggle-mode ddr standard is supported. With the ddr technique, the performance, such as access times and write speed, can be increased.

The e-mmc chips will be available in a number of capacities, ranging from 2 to 128GB. The largest capacity, the 128GB-mmc chips, to be from sixteen 64Gb chips built up and are 14 to 18mm in size. In the third quarter of this year the samples for the 128 – and 4GB chips are available; mass production begins a quarter later. In the fourth quarter following 2GB chips with mass production in the first quarter of 2012.

The first samples of e-mmc products with storage capacities of 8, 16, 32 and 64GB are available now; mass production will follow in the third quarter of this year. The smaller capacities measure 12 x 18mm and 1.2 mm thick. The three smallest chips measure even at 11.5 to 13mm and 1mm thick. This would mean that the mmc chips, the world’s smallest, highest capacity and best performance, claims Toshiba.

CapaciteitAfmetingenSamplesMassaproductie

2GB
11,5×13,0x1,0mm
Q4 2011
Q1 2012

4GB
11,5×13,0x1,0mm
Q3 2011
Q4 2011

8GB
12,0×16,0x1,2mm
now
Q3 2011

16GB
12,0×16,0x1,2mm
now
Q3 2011

32GB
12,0×16,0x1,2mm
now
Q3 2011

64GB
14,0×18,0x1,2mm
now
Q3 2011

128GB
14,0×18,0x1,2mm
Q3 2011
Q4 2011