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參數(shù)資料
| 型號： | S-29Z330A |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | 256-Word x 16-Bit CMOS Serial EEPROM(4K位CMOS串行EEPROM) |
| 中文描述： | 256字× 16位的CMOS串行EEPROM（4K的位的CMOS串行EEPROM的） |
| 文件頁數(shù)： | 16/41頁 |
| 文件大?。?/td> | 166K |
| 代理商： | S-29Z330A |
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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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-29ZX30A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial 3-wire EEPROMs |
| S2A | 功能描述:撥動開關(guān) ON-NONE-ON SPDT SOLDER LUG RoHS:否 制造商:C&K Components 觸點形式:DPDT 開關(guān)功能:ON - ON - ON 電流額定值: 電壓額定值 AC:20 V 電壓額定值 DC:20 V 功率額定值:0.4 VA 端接類型:V-Bracket 安裝風(fēng)格: 端子密封:Epoxy 觸點電鍍:Gold 照明:Not Illuminated |
| S-2A | 制造商:Nihon Kaiheiki Ind Co Ltd 功能描述:30V 50000(@BIv) / 25000(dCIv) bL +85 -30 30mm 18mm 45.5mm Bulk 制造商:Nihon Dempa Kogyo Co (NDK) 功能描述:Switch, toggle, solder terminal, minitur |
| S2A- | 制造商:GS 功能描述:General Purpose 50V SMD (Surface Mount) Rectifier SMB 2A 制造商:GS 功能描述:General Purpose 50V SMD (Surface Mount) Rectifier SMB 2A - free partial T/R at 500. |
| S2A | 制造商:Vishay Semiconductors 功能描述:DIODE SMB 1.5A 50V |
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