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PDF 79C0408 Data sheet ( Hoja de datos )
| Número de pieza | 79C0408 | |
| Descripción | 4 Megabit (512k x 8-bit) EEPROM MCM | |
| Fabricantes | Maxwell Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 79C0408 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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79C0408
4 Megabit (512k x 8-bit)
EEPROM MCM
RES
R/B
WE
OE
A0-16
CE1
128Kx 8
CE2
128Kx 8
CE3
128Kx 8
CE4
128Kx 8
I/ O0-7
Logic Diagram
FEATURES:
DESCRIPTION:
• Four 128k x 8-bit EEPROMs MCM
Maxwell Technologies’ 79C0408 multi-chip module (MCM)
• RAD-PAK® radiation-hardened against natural DataSheet4mUe.mcoormy features a greater than 100 krad (Si) total dose toler-
space radiation
ance, depending upon space mission. Using Maxwell Technol-
• Total dose hardness:
ogies’ patented radiation-hardened RAD-PAK® MCM
- > 100 krad (Si), depending upon space mission
packaging technology, the 79C0408 is the first radiation-hard-
• Excellent Single Event Effects
ened 4 Megabit MCM EEPROM for space applications. The
- SEL > 120 MeV/mg/cm2
79C0408 uses four 1 Megabit high-speed CMOS die to yield a
- SEU > 90 MeV/mg/cm2 read mode
4 Megabit product. The 79C0408 is capable of in-system elec-
- SEU = 18 MeV/mg/cm2 write mode
trical Byte and Page programmability. It has a 128 bytes Page
• Package:
Programming function to make its erase and write operations
• - 40 pin RAD-PAK® flat pack
faster. It also features Data Polling and a Ready/Busy signal to
• - 40 pin X-Ray PakTM flat pack
indicate the completion of erase and programming operations.
• - 40 pin Rad-Tolerant flat pack
In the 79C0408, hardware data protection is provided with the
• High speed:
RES pin, in addition to noise protection on the WE signal.
- 120, 150, and 200 ns maximum access times
Software data protection is implemented using the JEDEC
available
optional standard algorithm.
• Data Polling and Ready/Busy signal
• Software data protection
Maxwell Technologies' patented RAD-PAK® packaging technol-
• Write protection by RES pin
ogy incorporates radiation shielding in the microcircuit pack-
• High endurance
age. It eliminates the need for box shielding while providing
- 10,000 erase/write (in Page Mode),
the required radiation shielding for a lifetime in orbit or space
- 10 year data retention
mission. In a GEO orbit, the RAD-PAK® package provides
• Page write mode: 1 to 128 byte page
greater than 100 krad (Si) radiation dose tolerance. This prod-
• Low power dissipation
uct is available with screening up to Class K.
- 80 mW/MHz active mode
- 440 µ W standby mode
DataShee
DataSheet4U.com
10.13.04 Rev 15
(858) 503-3300 - Fax: (858) 503-3301- www.maxwell.com
All data sheets are subject to change without notice 1
©2004 Maxwell Technologies
All rights reserved.
DataSheet4 U .com
1 page  
www.DataSheet4U.com
4 Megabit (512k x 8-bit) EEPROM MCM
79C0408
et4U.com
PARAMETER
TABLE 8. 79C0408 AC ELECTRICAL CHARACTERISTICS FOR WRITE OPERATIONS
(V
CC
=
5V
±
10%,
TA
=
-55
TO
+125°
C)
SYMBOL
SUBGROUPS
MIN1
MAX
Address Setup Time
-120
-150
-200
tAS 9, 10, 11
0
0
0
--
--
--
Chip Enable to Write Setup Time (WE Controlled)
-120
-150
-200
tCS 9, 10, 11
0
0
0
--
--
--
Write Pulse Width
CE Controlled
-120
-150
-200
WE Controlled
-120
-150
-200
9, 10, 11
tCW
200
250
350
tWP
200
250
350
--
--
--
--
--
--
Address Hold Time
-120
-150
-200
tAH 9, 10, 11
DataSheet4U.com
150
150
200
--
--
--
Data Setup Time
-120
-150
-200
tDS 9, 10, 11
75
100
150
--
--
--
Data Hold Time
-120
-150
-200
tDH 9, 10, 11
10
10
10
--
--
--
Chip Enable Hold Time (WE Controlled)
-120
-150
-200
tCH 9, 10, 11
0
0
0
--
--
--
Write Enable to Write Setup Time (CE Controlled)
-120
-150
-200
tWS 9, 10, 11
0
0
0
--
--
--
Write Enable Hold Time (CE Controlled)
-120
-150
-200
tWH 9, 10, 11
0
0
0
--
--
--
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
DataShee
DataSheet4U.com
DataSheet4 U .com
10.13.04 Rev 15
All data sheets are subject to change without notice 5
©2004 Maxwell Technologies
All rights reserved.
5 Page 
www.DataSheet4U.com
4 Megabit (512k x 8-bit) EEPROM MCM
FIGURE 5. PAGE WRITE TIMING WAVEFORM(2) (CE CONTROLLED)
79C0408
et4U.com
DataSheet4U.com
FIGURE 6. DATA POLLING TIMING WAVEFORM
DataShee
DataSheet4U.com
DataSheet4 U .com
10.13.04 Rev 15
All data sheets are subject to change without notice 11
©2004 Maxwell Technologies
All rights reserved.
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet 79C0408.PDF ] | |
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