Lexington, Mass. - STMicroelectronics has introduced two 32-Mbit, 3-volt flash memory devices with dual-bank operation, which allows data to be read from one bank while the other bank is being written to or erased.
The M29DW323D and M29DW324D have an array of eight parameters and 63 main blocks, organized as 4 Mbit x 8 bit or 2 Mbit x 16 bit, plus a boot block and a 64-kbyte extended-memory block that can be used to store security data. With 70- and 90-nanosecond access times, the devices target set-top boxes, digital still cameras, MP3 players, cell phones and other digital consumer products.
The M29DW323D is divided into two banks of 8 and 24 Mbits, while the M29DW324D consists of two 16-Mbit banks. The parts run from a single core supply voltage of 2.7 to 3.6 V for program, erase and read operations. Designed in a 0.15-micron process, the devices come in 12 x 20-mm TSOP-48 or 7 x 11-mm, 0.8-mm-pitch TFBGA-63 packages, and are said to be among the smallest 32-Mbit flash devices available. They operate from -45 degrees C to 85 degrees C. Samples are available now, priced at $7 in 10,000-piece quantities.
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