參數(shù)資料
型號(hào)： S-29U394A
廠商： Seiko Instruments Inc.
英文描述： 4Kbit CMOS Serial EEPROM(4K位CMOS串行EEPROM)
中文描述： 4Kbit的CMOS串行EEPROM（4K的位的CMOS串行EEPROM的）
文件頁(yè)數(shù)： 16/41頁(yè)
文件大?。?/td> 185K
代理商： S-29U394A
1
5
Collection of Product FAQs
Author: Ebisawa Takashi
Date: 99/01/13 (Wednesday) 18:19 (modified: 99/01/14)
<Information level>
A:
Public (Printing O.K.)
Index:
C: quality, reliability
<Product>
Division name: 01 IC
Category 1:
12 Memory
Category 2:
2. Serial EEPROM
Cal No.:
Overall
Related documents:
Question:
What about the reliability and quality of the EEPROM
Answer:
1.
The EEPROM must have a quality that is “special in a sense” and that differs from that of the other
ICs.
<What is this special quality>
(1) Number of possible rewrites: 105 or 106
A specified minimum number of data rewrites must be assured.
(2) Data retention: 10 years
It must be ensured that written data (‘1’ and ‘0’) will be stored for at least 10 years.
Ensuring (1) and (2) is very difficult in a technical sense, as well as in the sense that high quality must
be maintained despite the need for mass production.
2.
Why this guarantee is technically difficult
As shown in the figure below, the EEPROM functions as a non-volatile memory by holding charges
in FG.
相關(guān)PDF資料
PDF描述
S-29UX94A The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29UXX0A The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29UXX1A The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29U131A The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29U131ADFE The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-29UX94A 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
S-29UXX0A 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
S-29UXX1A 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
S2-9V 制造商:Panasonic Electric Works 功能描述:
S29VS064RABBHI000 功能描述:閃存 64Mb 1.8V 108Mhz Parallel NOR 閃存 RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
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