參數(shù)資料
型號(hào)： S-29690A
廠商： Seiko Instruments Inc.
英文描述： 32Kbit Serial EEPROM(32K位串行EEPROM)
中文描述： 32Kbit串行EEPROM（32K的位串行EEPROM的）
文件頁(yè)數(shù)： 18/43頁(yè)
文件大?。?/td> 167K
代理商： S-29690A
1
7
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-29L130A 1Kbit CMOS Serial EEPROM(1K位CMOS串行EEPROM)
S-29L131A 1Kbit CMOS Serial EEPROM(1K位CMOS串行EEPROM)
S-29L220A The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29L220ADFE The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29L220AFE The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
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