Datasheet > 79C2040

79C2040

更新时间： 2024-11-10 22:25:47

品牌	Logo	应用领域
麦斯威 - MAXWELL		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
17页	470K
描述
20 Megabit (512K x 40-Bit) EEPROM MCM

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79C2040 数据手册

79C2040

20 Megabit (512K x 40-Bit)

EEPROM MCM

Logic Diagram

FEATURES:

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 R^AD-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.

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

- SEL > 120 MeV/mg/cm²

- SEU > 90 MeV/mg/cm²read mode

- SEU = 18 MeV/mg/cm²write 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

Maxwell Technologies' patented R^AD-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, R^AD-PAK provides greater than 100

krad (Si) radiation dose tolerance. This product is available

with screening up to Maxwell Technologies self-defined Class

- 375 mW/MHz active current

-3. 2 mW standby current

04.20.05Rev 1

All data sheets are subject to change without notice

(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com

12 3 4 5 6 7...17

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