Atmel Extends Rad-Hard Memory Family

March 5, 2007
Enlarging the company's radiation-hardened SRAM offerings, the AT68166 16-Mb SRAM debuts in a hermetic multi-chip module (MCM) package, groomed for space applications. The MCM packaging technology reportedly reduces PCB real estate, cuts the number of

Enlarging the company's radiation-hardened SRAM offerings, the AT68166 16-Mb SRAM debuts in a hermetic multi-chip module (MCM) package, groomed for space applications. The MCM packaging technology reportedly reduces PCB real estate, cuts the number of external components, and improves overall electronic effectiveness. Compared to 4-Mb packages, this allows for a reduction of the PCB area by 50% with a weight savings of 75%. The module integrates four 4-Mb AT60142 SRAM dice, which are produced on the company's radiation-hardened 0.25-mm CMOS process. It can be organized as one bank of 512K x 32, two banks of 512K x 16, or four banks of 512K x 8. Operating from a 3.3V supply, latch-up threshold is 80 MeV.cm2/mg and can withstand a total dose of 300 krads. The AT68166 is available in two versions: the AT68166FT with 5V-tolerant inputs and the AT68166F for 3V operation. Access times are 25 ns and 20 ns, respectively, over the full military temperature range. Power consumption is 540 mW per byte at 25 ns and 620 mW per byte at 20 ns. Available in a 68-lead flat pack weighing 8.6g, price for the AT68166 is $1,710 each/100. ATMEL CORP., San Jose, CA. (408) 441-0311.

Company: ATMEL CORP.

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