製品概要
概要
The M34E04B is a 512-byte EEPROM device designed to operate the SMBus bus in the 1.7 V - 3.6 V voltage range, with a maximum of 1 MHz transfer rate in the 2.2 V - 3.6 V voltage range, over the JEDEC defined ambient temperature of 0°C / 95°C.
The M34E04B includes a 4-Kbit serial EEPROM organized as two pages of 256 bytes each, or 512 bytes of total memory. Each page is composed of two 128-byte blocks. The device is able to selectively lock the data in any or all of the four 128-byte blocks. Designed specifically for use in DRAM DIMMs (Dual Inline Memory Modules) with Serial Presence Detect, all the information concerning the DRAM module configuration (such as its access speed, its size, its organization) can be kept write-protected in one or more memory blocks.
The M34E04B device is protocol-compatible with the previous generation of 2-Kbit devices, M34E02. The page selection method allows commands used with legacy devices such as M34E02 to be applied to the lower or upper pages of the EEPROM.
Individually locking a 128-byte block may be accomplished using a software write protection mechanism in conjunction with a high input voltage VHV on input SA0. By sending the device a specific SMBus sequence, each block may be protected from writes until the write protection is electrically reversed using a separate SMBus sequence which also requires VHV on input SA0. The write protection for all four blocks is cleared simultaneously.
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特徴
- 512-byte Serial Presence Detect EEPROM compatible with JEDEC EE1004 specification
- Compatible with SMBus serial interface:
- up to 1 MHz transfer rate
- EEPROM memory array:
- 4 Kbits organized as two pages of 256 bytes each
- Each page is composed of two 128-byte blocks
- No hardware write protection
- Software data protection for each 128-byte block
- Write:
- Byte Write within 5 ms
- 16 bytes Page Write within 5 ms
- Noise filtering:
- Schmitt trigger on bus inputs
- Noise filter on bus inputs
- Single supply voltage:
- 1.7 V to 3.6 V
- Operating temperature range:
- from 0 °C up to +95 °C
- Enhanced ESD/latch-up protection
- More than 4million Write cycles
- More than 200-year data retention
- RoHS-compliant and halogen-free 8-lead ultra thin fine pitch dual flat no lead package (ECOPACK2®)
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すべてのリソース
| タイトル | バージョン | 更新日 |
|---|
IBIS models (1)
| タイトル | バージョン | 更新日 | ||
|---|---|---|---|---|
| ZIP | 1.0 | 25 Jan 2021 | 25 Jan 2021 |
CAD Symbol & Footprint models (1)
| タイトル | バージョン | 更新日 | ||
|---|---|---|---|---|
| ZIP | 1.0 | 27 Apr 2021 | 27 Apr 2021 |
品質 & 信頼性
| 製品型番 | マーケティング･ステータス | パッケージ | グレード | RoHSコンプライアンスグレード | Longevity Commitment | Longevity Starting Date | 材料宣誓書** |
|---|---|---|---|---|---|---|---|
| M34E04B-FMC9TG | 量産中 | UFDFPN8 | インダストリアル | Ecopack2 | 10 | 2024-01-01T00:00:00.000+01:00 |
(**) st.comで提供している材料宣誓書は、パッケージ･ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください
サンプル & 購入
| 製品型番 | 製品ステータス | Budgetary Price (US$)*/Qty | STから購入 | Order from distributors | パッケージ | 梱包タイプ | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | 無償サンプル | ESample Max Qty | 交換品 | ||
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| 最小 | 最大 | ||||||||||||||||
| M34E04B-FMC9TG | | | 1 distributors |
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M34E04B-FMC9TG 量産中
（*）概算用の参考価格（US$）です。現地通貨でのお見積りについては、STのセールス･オフィスまたは販売代理店までお問い合わせください。