33C108
1 Megabit (128K x 8-Bit)
CMOS SRAM
33C108
Logic Diagram
F
EATURES
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D
ESCRIPTION
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AD-PAK® Technology radiation-hardened against natural
Maxwell Technologies’ 33C108 high-density 1Megabit SRAM
microcircuit features a greater than 100 krad (Si) total dose
tolerance, depending upon space mission. Using Maxwell’s
radiation-hardened RAD-PAK® packaging technology, the
33C108 realizes a high density, high performance, and low
power consumption. Its fully static design eliminates the need
for external clocks, while the CMOS circuitry reduces power
consumption and provides higher reliability. The 33C108 is
equipped with eight common input/output lines, chip select
and output enable, allowing for greater system flexibility and
eliminating bus contention. The 33C108 features the same
advanced 128K x 8-bit SRAM, high-speed, and low-power
demand as the commercial counterpart.
space radiation
128K x 8 bit organization
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Total dose hardness:
- > 100 krad (Si), depending upon space mission
Excellent Single Event Effect
- SELTH: > 101 MeV/mg/cm2
- SEUTH: = 3 MeV/mg/cm2
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- SEU saturated cross section: 6E-9 cm2/bit
Package:
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- 32-Pin RAD-PAK® flat pack
Fast access time:
- 20, 25, 30 ns maximum times available
Single 5.0V + 10% power supply
Fully static operation
Maxwell Technologies' patented RAD-PAK® packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. It eliminates the need for box shielding while providing
the required radiation shielding for a lifetime in orbit or space
mission. In a GEO orbit, RAD-PAK® provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Class S.
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- No clock or refresh required
Three state outputs
TTL compatible inputs and outputs
Low power:
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- Standby: 60 mA (TTL); 10 mA (CMOS)
- Operation: 180 mA (20 ns); 170 mA (25 ns);
160 mA (30 ns)
03.28.08 Rev 3
1
All data sheets are subject to change without notice
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