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89C1632RPQE-20 Datasheet

  • 89C1632RPQE-20

  • 16 Megabit (512K x 32-Bit) MCM SRAM

  • 13頁

  • MAXWELL

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89C1632
16 Megabit (512K x 32-Bit)
MCM SRAM
16 Megabit (512k x 32-bit) SRAM MCM
CS 1-4
Address
OE, WE
Power
4Mb SRAM
4Mb SRAM
4Mb SRAM
4Mb SRAM
Ground
MCM
Memory
I/O 0-7
I/O 8-15
I/O 16-23
I/O 24-31
Logic Diagram
F
EATURES
:
鈥?Four 512k x 8 SRAM architecture
鈥?R
AD
-P
AK
廬 technology hardens against natural space radia-
tion technology
鈥?Total dose hardness:
- > 100 krad (Si), depending upon space mission
鈥?Excellent Single Event Effects:
- SEL > 101MeV-cm
2
/mg
- SEU threshold = 3 MeV-cm
2
/mg
- SEU saturated cross section: 6E-9 cm
2
/bit
鈥?Package: 68-pin quad flat package
鈥?Fast access time: 20, 25 and 30 ns
鈥?Completely static memory - no clock or timing strobe
required
鈥?Internal bypass capacitor
鈥?High-speed silicon-gate CMOS technology
鈥?5V or 3V 鹵 10% power supply
鈥?Equal address and chip enable access times
鈥?Three-state outputs
鈥?All inputs and outputs are TTL compatible
D
ESCRIPTION
:
Maxwell Technologies鈥?89C1632 high-performance 16 Mega-
bit Multi-Chip Module (MCM) Static Random Access Memory
features a greater than 100 krad (Si) total dose tolerance,
depending upon space mission. The four 4-Megabit SRAM die
and bypass capacitors are incorporated into a high-reliable
hermetic quad flat-pack ceramic package. With high-perfor-
mance silicon-gate CMOS technology, the 89C1632 reduces
power consumption and eliminates the need for external
clocks or timing strobes. It is equipped with output enable
(OE) and four byte enable (CS1 - CS4) inputs to allow greater
system flexibility. When OE input is high, the output is forced
to high impedance.
Maxwell Technologies' patented R
AD
-P
AK
廬 packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. In a GEO orbit, R
AD
-P
AK
provides true greater than 100
krad (Si) total radiation dose tolerance, dependent upon space
mission. It eliminates the need for box shielding while provid-
ing the required radiation shielding for a lifetime in orbit or a
space mission. This product is available with screening up to
Maxwell Technologies self-defined Class K.
01.10.05 Rev 3
All data sheets are subject to change without notice
1
(619) 503-3300 - Fax: (619) 503-3301 - www.maxwell.com
漏2005 Maxwell Technologies.
All rights reserved.

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