DS1232

MicroMonitorチップ

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ステータス 製品のステータスコードについての説明

入手可能:生産中

製品概要

The DS1232 MicroMonitor™ Chip monitors three vital conditions for a microprocessor: power supply, software execution, and external override. First, a precision temperature-compensated reference and comparator circuit monitors the status of VCC. When an out-of-tolerance condition occurs, an internal power fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance condition, the reset signals are kept in the active state for a minimum of 250ms to allow the power supply and processor to stabilize.

 

データシート

英語 このデータシートをPDF形式でダウンロードするダウンロードする Rev 1 (PDF, 140kB)
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主な特長

  • Halts and restarts an out-of-control microprocessor
  • Holds microprocessor in check during power transients
  • Automatically restarts microprocessor after power failure
  • Monitors pushbutton for external override
  • Accurate 5% or 10% microprocessor power supply monitoring
  • Eliminates the need for discrete components
  • Space-saving, 8-pin mini-DIP
  • Optional 16-pin SOIC surface mount package
  • Industrial temperature -40°C to +85°C available, designated N
   
   

主な仕様:

Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)
Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)
ICC
(µA)
Budgetary Price
min @ +25°C max See Notes
DS1232  3.3 to 5.5
Active High
Active Low
Open Drain
Push-Pull
85ms to 300ms Input (WDI)
1s to 2s
<1s
Manual Reset 2.5 2000 $1.17 @1k
全Supervisors (1 Monitored Voltage) (274)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


DS1232:ブロックダイアグラム
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情報インデックス

Rev 1; 1999-11-18
このページの最終更新日: 2009-10-26




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