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33C408RTFS-30 Datasheet

  • 33C408RTFS-30

  • 4 Megabit (512K x 8-Bit) CMOS SRAM

  • 233.46KB

  • 12頁

  • MAXWELL

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33C408
4 Megabit (512K x 8-Bit)
CMOS SRAM
Memory
Logic Diagram
F
EATURES
:
鈥?R
AD
-P
AK
廬 Technology radiation-hardened
against natural space radiation
鈥?524,288 x 8 bit organization
路 Total dose hardness:
- > 100 krad (Si), depending upon space mis-
sion
鈥?Excellent Single Event Effect
路
- SEL
TH
: > 68 MeV/mg/cm
2
路 - SEU
TH
: = 3 MeV/mg/cm
2
鈥?/div>
- SEU saturated cross section: 6E-9 cm
2
/bit
Package:
- 32-Pin R
AD
-P
AK
廬 flat pack
- 32-Pin Non-R
AD
-P
AK
廬 flat pack
Fast access time:
- 20, 25, 30 ns maximum times available
Single 5V + 10% power supply
Fully static operation
- No clock or refresh required
Three state outputs
TTL compatible inputs and outputs
Low power:
- Standby: 60 mA (TTL); 10 mA (CMOS)
- Operation: 180 mA (20 ns); 170 mA (25 ns);
160 mA (30 ns)
D
ESCRIPTION
:
Maxwell Technologies鈥?33C408 high-density 4
Megabit SRAM microcircuit features a greater than
100 krad (Si) total dose tolerance, depending upon
space mission. Using Maxwell鈥檚 radiation-hard-
ened R
AD
-P
AK
廬 packaging technology, the 33C408
realizes a high density, high performance, and low
power consumption. Its fully static design elimi-
nates the need for external clocks, while the
CMOS circuitry reduces power consumption and
provides higher reliability. The 33C408 is equipped
with eight common input/output lines, chip select
and output enable, allowing for greater system flex-
ibility and eliminating bus contention. The 33C408
features the same advanced 512K x 8-bit SRAM,
high-speed, and low-power demand as the com-
mercial counterpart.
Maxwell Technologies' patented R
AD
-P
AK
packag-
ing technology incorporates radiation shielding in
the microcircuit package. 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, R
AD
-P
AK
provides greater than 100
krad (Si) radiation dose tolerance. This product is
available with screening up to Class S.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
04.16.02 REV 8
All data sheets are subject to change without notice
1
(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
漏2002 Maxwell Technologies
All rights reserved.

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