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79LV2040RPFE-20 Datasheet

  • 79LV2040RPFE-20

  • 20 Megabit (512K x 40-Bit) Low Voltage EEPROM MCM

  • 17頁

  • MAXWELL

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79LV2040
20 Megabit (512K x 40-Bit) Low
Low Voltage EEPROM MCM
Logic Diagram
Memory
F
EATURES
:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
512k x 40-bit EEPROM MCM
R
AD
-P
AK
廬 radiation-hardened against natural
space radiation
Total dose hardness:
- >100 krad (Si)
- Dependent upon orbit
Excellent Single event effects
- SEL
TH
> 84 MeV/mg/cm
2
- SEU > 37 MeV/mg/cm
2
read mode
- SEU = 11.4 MeV/mg/cm
2
write mode
High endurance
- 10,000 cycles (Page Programming Mode)
- 10 year data retention
Page Write Mode: 128 Dword Page
High Speed:
- 200 and 250 ns maximum access times
Automatic programming
- 15 ms automatic Page/Dword write
Low power dissipation
- 100 mW/MHz active current
- 1.5 mW standby current
D
ESCRIPTION
:
Maxwell Technologies鈥?79LV2040 multi-chip module (MCM)
memory features a greater than 100 krad (Si) total dose toler-
ance, dependent upon orbit. Using Maxwell Technologies鈥?pat-
ented radiation-hardened R
AD
-P
AK
廬 MCM packaging
technology, the 79LV2040 is the first radiation-hardened 8
megabit MCM EEPROM for space application. The 79LV2040
uses twenty 1 Megabit high speed CMOS die to yield a 20
megabit product. The 79LV2040 is capable of in-system elec-
trical byte and page programmability. It has a 128 x 40 page
programming function to make the erase and write operations
faster. It also features Data Polling and a Ready/Busy signal to
indicate the completion of erase and programming operations.
In the 79LV2040, hardware data protection is provided with
the RES pin, in addition to noise protection on the WE signal
and write inhibit on power on and off. Software data protection
is implemented using the JEDEC optional standard algorithm.
Maxwell Technologies' patented R
AD
-P
AK
廬 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, R
AD
-P
AK
provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Maxwell Technologies self-defined Class
K
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鈥?/div>
09.07.05 Rev 1
All data sheets are subject to change without notice
1
(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
漏2005 Maxwell Technologies
All rights reserved.

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