79LV0408
Low Voltage 4 Megabit
(512k x 8-bit) EEPROM
CE
CE
CE
3
CE
4
1
2
RES
R/B
WE
OE
A0-16
128Kx8
128Kx8
128Kx8
128Kx8
Logic Diagram
I/O
0-7
• FEATURES
DESCRIPTION
•
•
Maxwell Technologies’ 79LV0408 multi-chip mod-
ule (MCM) memory features a greater than 100
krad (Si) total dose tolerance, depending upon
space mission. Using Maxwell Technologies’ pat-
ented radiation-hardened RAD-PAK® MCM packag-
ing technology, the 79LV0408 is the first radiation-
hardened 4 Megabit MCM EEPROM for space
applications. The 79LV0408 uses four 1 Megabit
high-speed CMOS die to yield a 4 Megabit product.
The 79LV0408 is capable of in-system electrical
Byte and Page programmability. It has a 128 bytes
Page Programming function to make its 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
79LV0408, hardware data protection is provided
with the RES pin, in addition to noise protection on
the WE signal. Software data protection is imple-
mented using the JEDEC optional standard algo-
rithm.
• Four 128k x 8-bit EEPROMs MCM
• RAD-PAK® radiation-hardened against natural
space radiation
• Total dose hardness:
- > 100 krad (Si), depending upon space mis-
sion
• Excellent Single event effects @ 25°C
- SEL > 120 MeV cm2/mg (Device)
- SEU > 85 MeV cm2/mg(Memory Cells)
- SEU > 18 MeV cm2/mg (Write Mode)
- SET > 40 MeV cm2/mg (Read Mode)
• Package
- 40 Pin RAD-PAK® Flat Pack
- 40 Pin RAD-PAK® Rad Tolerant Flat Pack
• High speed:
-200 and 250 ns access times available
• Data Polling and Ready/Busy signal
• Software data protection
• Write protection by RES pin
• High endurance
- 10,000 erase/write (Page Mode),
- 10 year data retention
• Page write mode: 1 to 128 byte page
• Low power dissipation
Maxwell Technologies' patented RAD-PAK® 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, the RAD-PAK® package provides
greater than 100 krad (Si) radiation dose tolerance.
This product is available with screening up to Max-
well Technologies self-defined Class K.
- 88 mW/MHz active mode
- 440 µW standby mode
09.17.13 Rev 13
1
All data sheets are subject to change without notice
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