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DESCRIPTION:

Maxwell Technologies’ 32C408B high-speed 4 Megabit SRAM microcircuit features a greater than 100 krad (Si) total dose tolerance, depending upon space mission. Using RAD-PAK? packaging technology, the 32C408B realizes higher density, higher performance and lower power consumption, and is well suited for high-speed system application. Its fully static design eliminates the need for external clocks, while the CMOS circuitry reduces power consumption and provides higher reliability. The 32C408B is equipped with eight common input/ output lines, chip select and output enable, allowing for greater system flexibility and eliminating bus contention.

FEATURES:

? 512k x 8-bit CMOS architecture

? RAD-PAK? technology hardened against natural space radiation

? Total dose hardness:

- > 100 krad (Si), depending upon space mission

? Single event effect:

- SELTH: > 68 MeV/mg/cm2

- SEUTH: < 3MeV/mg/cm2

- SEU saturated cross section: 6E-9 cm2/bit

? Package:

-36 pin RAD-PAK? flat pack

? Fast propagation time:

-20, 25, 30 ns maximum access time

? Single 5V + 10 power supply

? Low power dissipation:

- Standby: 60mA (TTL); 10mA (CMOS)

- Operating: 180 mA (20 ns); 170 mA (25 ns); 160 mA (30 ns)

? TTL compatible inputs and outputs

? Fully static operation

- No clock or refresh required

? Three state outputs