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DS1233A

Features: Automatically restarts microprocessor after power failure Monitors pushbutton for external override Internal circuitry debounces pushbutton switch Maintains reset for 350 ms after VCC returns to an in-tolerance condition or pushbutton released Accurate 10% or 15% microprocessor 3.3V pow...

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DS1233A: Features: Automatically restarts microprocessor after power failure Monitors pushbutton for external override Internal circuitry debounces pushbutton switch Maintains reset for 350 ms after VCC ret...

DS1233A Data Sheet

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Part Number:
DS1233A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Automatically restarts microprocessor after power failure
Monitors pushbutton for external override
Internal circuitry debounces pushbutton switch
Maintains reset for 350 ms after VCC returns to an in-tolerance condition or pushbutton released
Accurate 10% or 15% microprocessor 3.3V power supply monitoring
Reduces need for discrete components
Precision temperature-compensated voltage reference and voltage sensor
Low-cost TO-92 package or surface mount SOT-223 package
Internal 5 kΩ=pull-up resistor
Operating temperature of -40°C to +85°C


Specifications

Voltage on VCC Pin Relative to Ground                    -0.5V to +7.0V
Voltage on I/O Relative to Ground                           -0.5V to VCC +0.5V
Operating Temperature                                           -40°C to +85°C
Storage Temperature                                              -55°C to +125°C
Soldering Temperature                                            260°C for 10 seconds


Description

The DS1233A EconoReset monitors two vital conditions for a microprocessor: power supply and external override. A precision temperature-compensated reference and comparator circuit are used 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 state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for approximately 350 ms to allow the power supply and processor to stabilize. The second function of the DS1233A is pushbutton reset control. The DS1233A debounces a pushbutton closure and will generate a 350 ms reset pulse upon release.




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