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DS1233AZ-10+T&R

微处理器监控器, 1.2V-5.5V 电源, 低有效, 漏极开路, 350MS 延迟/2.88V 阈值, SOT-223-4

MAXIM INTEGRATED PRODUCTS DS1233AZ-10+T&R
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制造商产品编号:
DS1233AZ-10+T&R
库存编号
2512430
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产品概述

The DS1233AZ-10+T&R is a 3.3V EconoReset in 4 pin SOT-223 package. This EconoReset monitors two vital conditions for a microprocessor such as 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 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 350ms to allow the power supply and processor to stabilize. The second function of the device is pushbutton reset control. It debounces a pushbutton closure and will generate a 350ms reset pulse upon release.
  • Supply voltage range is 1.2V to 5.5V
  • Accurate 10% microprocessor 3.3V power supply monitoring
  • Operating temperature range from -40°C to 85°C
  • Automatically restarts microprocessor after power failure
  • Monitors pushbutton for external override
  • Internal circuitry debounces pushbutton switch
  • Reduces need for discrete components
  • Precision temperature-compensated voltage reference and voltage sensor
  • Active-low, open-drain reset with 2.88V threshold voltage
  • Internal 5Kohm pull-up resistor
  • System Monitoring

应用

系统监控

产品信息

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:
2.88V

:
1监控器/监视器

:
1.2V

:
5.5V

:
有功-低/漏极开路

:
SOT-223

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4引脚

:
350ms

:
-40°C

:
85°C

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-

:
-

:
MSL 1 -无限制
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技术文档 (2)

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