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79C2040 PDF даташит

Спецификация 79C2040 изготовлена ​​​​«Maxwell Technologies» и имеет функцию, называемую «20 Megabit (512K x 40-Bit) EEPROM MCM».

Детали детали

Номер произв 79C2040
Описание 20 Megabit (512K x 40-Bit) EEPROM MCM
Производители Maxwell Technologies
логотип Maxwell Technologies логотип 

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79C2040 Даташит, Описание, Даташиты
79C2040
20 Megabit (512K x 40-Bit)
EEPROM MCM
FEATURES:
512k x 40-bit EEPROM MCM
• RAD-PAK® radiation-hardened against natural
• space radiation
• Total dose hardness:
- >100 krad (Si)
- Dependent upon orbit
• Excellent Single event effects
- SELTH > 120 MeV/mg/cm2
- SEU > 90 MeV/mg/cm2 read mode
- SEU = 18 MeV/mg/cm2 write mode
• High endurance
- 10,000 cycles/byte (Page Programming Mode)
- 10 year data retention
• Page Write Mode: 128 Dword Page
• High Speed:
- 150 and 200 ns maximum access times
• Automatic programming
- 10 ms automatic Page/Dword write
• Low power dissipation
- 375 mW/MHz active current
-3. 2 mW standby current
Logic Diagram
DESCRIPTION:
Maxwell Technologies’ 79C2040 multi-chip module (MCM)
memory features a greater than 100 krad (Si) total dose toler-
ance, dependent upon orbit. Using Maxwell Technologies’ pat-
ented radiation-hardened RAD-PAK® MCM packaging
technology, the 79C2040 is the first radiation-hardened 20
megabit MCM EEPROM for space application. The 79C2040
uses twenty 1 Megabit high speed CMOS die to yield a 20
megabit product. The 79C2040 is capable of in-system electri-
cal byte and page programmability. It has a 128 word 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 79C2040, 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 RAD-PAK® 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, RAD-PAK provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Maxwell Technologies self-defined Class
K
04.20.05Rev 1
(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
All data sheets are subject to change without notice 1
©2005 Maxwell Technologies
All rights reserved.









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79C2040 Даташит, Описание, Даташиты
20 Megabit (512 x 40-Bit) EEPROM MCM
79C2040
PINOUT DESCRIPTION
1, 11, 21, 30, 40, 50,
51, 61, 71, 80, 90, 100
VSS - Ground
2, 12, 22, 29, 39, 49,
52, 62, 72, 79, 89, 99
VCC - Positive Supply
60 - 53, 41 - 48, 10 -
3, 91 - 98, 88 - 81
D0 to D39 Data I/O
13, 14, 15, 16
CS0\ - CS3\ Chip Enable
23 - 28, 31, 32, 78 -73,
70 - 68
A0 to A16 Address Inputs
33 RES\ - Reset
34 - 38
WE\0 - WE\4 Write Enables
66 - 63
RBSY\0 - RBSY\3 Ready/Busy
67 OE\ - Output Enable
04.20.05 Rev 1
All data sheets are subject to change without notice 2
©2005 Maxwell Technologies
All rights reserved









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79C2040 Даташит, Описание, Даташиты
20 Megabit (512 x 40-Bit) EEPROM MCM
79C2040
TABLE 1. 79C2040 ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN
TYP
Supply Voltage
Input Voltage
Package Weight
Operating Temperature Range
Storage Temperature Range
VCC -0.6
VIN -0.51
RSF
TOPR
TSTG
-55
-65
35
1. VIN min = -3.0V for pulse width <50ns.
MAX UNIT
7.0 V
7.0 V
Grams
125 °C
150 °C
TABLE 2. 79C2040 RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
MAX
Supply Voltage
Input Voltage
RES_PIN
Operating Temperature Range
VCC 4.5 5.5
VIL -0.31 0.8
VIH 2.2 VCC +0.3
VH
VCC-0.5
VCC +1
TOPR -55 125
1. VIL min = -1.0V for pulse width < 50 ns
TABLE 3. 79C2040 DELTA LIMITS1
PARAMETER
VARIATION2
ICC1A
+/- 10 %
ICC1D
+/- 10 %
ICC2A
+/- 10 %
ILI - ADDR, CE, OE, WE
+/- 10 %
ILI - D0-D39
+/- 10 %
1. Parameters are measured and recorded per MIL-STD-883 for Class K devices
2. Specified value in Table 5
UNIT
V
V
V
V
°C
04.20.05 Rev 1
All data sheets are subject to change without notice 3
©2005 Maxwell Technologies
All rights reserved










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Номер в каталогеОписаниеПроизводители
79C204020 Megabit (512K x 40-Bit) EEPROM MCMMaxwell Technologies
Maxwell Technologies

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