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DS1233M
EconoReset


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 128kB)
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The DS1233M EconoReset uses a precision temperature-compensated reference and comparator circuit to monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal power fail signal is generated, which forces reset to the active (low) state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for approximately 350ms to allow the power supply and processor to stabilize.

Key Features
  • Automatically restarts microprocessor after power failure
  • Maintains reset for 350ms after VCC returns to an in-tolerance condition
  • Reduces need for discrete components
  • Precision temperature-compensated voltage reference and voltage sensor
  • Low-cost TO-92 package or surface mount 8-pin SO packages available package
  • Internal 5k ohm pullup resistor
  • Compatible with Motorola 68XXX series and HC16 Microprocessors
  • Pin function compatible with the Motorola MC33064, MC34064, MC33164, and MC34164
  • Operating temperature of -40°C to +85°C

    Key Specifications:  Supervisors (1 Monitored Voltage)
    Part Number Reset Thresh.
    (V)
    Reset Out tRESET Watchdog Feature Reset Thresh. Accur.
    (%)
    ICC
    (µA)
    Price
    Active Low min @ +25°C max See Notes
    DS1233M 
    2.5 to 3.3
    3.3 to 5.5
    Open Drain with Internal Pull-Up
    85ms to 300ms
    300ms to 1s
    No Watchdog 2.5 50 $0.72 @1k
    See All Supervisors (1 Monitored Voltage) (274)

    Diagram
    DS1233M: Block Diagram
    Block Diagram

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    1998-02-26
    This page last modified: 2009-10-26


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