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STM809 Series 3.08 V 140 ms SMT Surface Mount Reset Circuit - SOT-23

Product Specification Section
Caractéristiques techniques
Attributes Table
Type: Power Supply Monitor
No of Outputs: Single
Threshold Voltage: 3.08V
Supply Voltage-Max: 5.5V
Reset Timeout: 210ms
Output Type: Push Pull
No. of Monitors: 1
Supply Current-Max: 15µA
Output Voltage: 0.3V
Output Current: 20mA
Power Dissipation: 0.32W
Operating Temp Range: -40°C to +85°C
Storage Temperature Range: -55°C to +150°C
Moisture Sensitivity Level: 1
Style d'emballage :  SOT-23 (SC-59,TO-236)
Méthode de montage : Surface Mount
Fonctionnalités et applications
The STM809TWX6F is a microprocessor reset circuits are low-power supervisory devices used to monitor power supplies. They perform a single function: asserting a reset signal whenever the VCC supply voltage drops below a preset value and keeping it asserted until VCC has risen above the preset threshold for a minimum period of time (trec). The STM811/812 also provide a push-button reset input (MR).


  • Precision monitoring of 3 V, 3.3 V, and 5 V supply voltages
  • Two output configurations
    • Push-pull RST output (STM809/811)
    • Push-pull RST output (STM810/812)
  • 140 ms reset pulse width (min)
  • Low supply current - 6 μA (typ)
  • Guaranteed RST/RST assertion down to VCC = 1.0 V
  • Operating temperature:
    • –40 °C to 85 °C (industrial grade)
  • Lead-free, small SOT23 and SOT143 package

View the Complete family of STM809 Voltage Supervisors

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