製品概要
概要
The STM690/704/795/802/804/805/806 supervisors are self-contained devices which provide microprocessor supervisory functions with the ability to non-volatize and write-protect external LPSRAM. A precision voltage reference and comparator monitors the VCCinput for an out-of-tolerance condition. When an invalid VCCcondition occurs, the reset output (RST) is forced low (or high in the case of RST). These devices also offer a watchdog timer (except for STM704/795/806) as well as a power-fail comparator (except for STM795) to provide the system with an early warning of impending power failure.
These devices are available in a standard 8-pin SOIC package or a space-saving 8-pin TSSOP package.
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特徴
- RST orRSToutputs
- NVRAM supervisor for external LPSRAM
- Chip enable gating (STM795 only) for external LPSRAM (7 ns max prop delay)
- Manual (push-button) reset input
- 200 ms (typ) trec
- Watchdog timer - 1.6 s (typ)
- Automatic battery switchover
- Low battery supply current - 0.4 μA (typ)
- Power-fail comparator (PFI/PFO)
- Low supply current - 40 μA (typ)
- GuaranteedRST(RST) assertion down to VCC= 1.0 V
- Operating temperature: –40 °C to 85 °C (industrial grade)
- RoHS compliance
- Lead-free components are compliant with the RoHS directive
回路ダイアグラム
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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 | 材料宣誓書** |
|---|---|---|---|---|---|
| STM690RM6F | 量産中 | SO-8 | インダストリアル | Ecopack3 | |
| STM690SM6F | 量産中 | SO-8 | インダストリアル | Ecopack3 | |
| STM690TM6F | 量産中 | SO-8 | インダストリアル | Ecopack3 | |
(**) 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$)*/Qty | STから購入 | Order from distributors | パッケージ | 梱包タイプ | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | RST Threshold (V) (typ) | 温度（℃） | RST Threshold (V) (typ) | Operating Temperature (°C) (min) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小 | 最大 | |||||||||||||||
| STM690RM6F | | | distributors 販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください | SO-8 | Tape and Reel | MOROCCO | EAR99 | NEC | 2.63 | - | - | 2.63 | - | |||
| STM690TM6F | | | distributors 販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください | SO-8 | Tape and Reel | MOROCCO | EAR99 | NEC | 3.08 | - | - | 3.08 | - | |||
| STM690SM6F | | | distributors 販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください | SO-8 | Tape and Reel | MOROCCO | EAR99 | NEC | 2.93 | - | - | 2.93 | - | |||
STM690RM6F 量産中
販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください
STM690TM6F 量産中
販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください
STM690SM6F 量産中
販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください
（*）概算用の参考価格（US$）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。