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首页 > 产品中心 > 电池充电芯片 > 电压检测器/复位IC > 电压检测与复位IC >CXDR75104 CXDR75105 CXDR75106定时延时200ms上电复位发电机手动复位输入复位输出选项推拉开漏复位输出看门狗定时器
CXDR75104 CXDR75105 CXDR75106定时延时200ms上电复位发电机手动复位输入复位输出选项推拉开漏复位输出看门狗定时器
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CXDR75104 CXDR75105 CXDR75106主要为基于DSP和处理器的系统提供电路初始化和时序监控。在通电期间,当电源电压VCC高于1.1 V时,将断言复位(重置)。此后,电源电压监管器监控VCC,并在VCC保持在阈值电压VIT+(1)以下时保持复位(重置)激活。内部计时器延迟输出返回到非活动状态,以确保系统正确复位。延迟时间td在VCC上升到阈值电压VIT+以上后开始。当电源电压降到阈值电压VIT-(2)以下时,输出再次激活。不需要外部组件。所有器件都有一个由内部分压器设置的固定感应阈值电压VIT。CXDR75104/CXDR75105包含手动复位输入,MR。MR处的低电平导致RESET(RESET)激活。CXDR75104/CXDR75105/CXDR75106具有WDI引脚。watchdog定时器由WDI的正或负转换周期性地触发。当监控系统未能在超时间隔内重新触发看门狗电路时,ttout,RESET(复位)在时间段td内变为激活状态。此事件还将重新初始化监视程序计时器。保持WDI未连接将禁用监视程序。产品光谱设计用于2.5V、3V、3.3V和5V的电源电压

CXDR75104 CXDR75105 CXDR75106定时延时200ms上电复位发电机手动复位输入复位输出选项推拉开漏复位输出看门狗定时器
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1.产品概述       2.产品特点     73K嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)73K嘉泰姆

5.产品封装       6.电路原理图  73K嘉泰姆

7.相关产品73K嘉泰姆

   产品概述 返回TOP73K嘉泰姆


The CXDR75104/CXDR75105/CXDR75106 provide circuits initialization and timing supervision, primarily for DSP and processor-based systems. During power-on, RESET (RESET) is asserted when supply voltage VCC becomes higher than 1.1 V. Thereafter, the supply voltage supervisor monitors VCC and keeps RESET (RESET) active as long as VCC remains below the threshold voltage VIT+ (1). An internal timer delays the return of the output to the inactive state to ensure proper system reset. The delay time, td, starts after VCC has risen above the threshold voltage VIT+. When the supply voltage drops below the threshold voltage VIT- (2), the outputs becomes active again. No external components are required. All the devices have a fixed-sense threshold voltage VIT- set by an internal voltage divider. The CXDR75104/CXDR75105 incorporate a manual reset input,MR . A low level at MR causes RESET (RESET) to become active. The CXDR75104/CXDR75105/CXDR75106 have WDI pin. The watchdog timer is periodically triggered by a positive or negative transition at WDI. When the supervising system fails to retrigger the watchdog circuit within the time-out interval, ttout, RESET (RESET) becomes active for the time period td. This event also reinitializes the watchdog timer. Leaving WDI unconnected disables the watchdog. The product spectrum is designed for supply voltages of 2.5V, 3V, 3.3V, and 5V. The circuits are available in a SOT-23-5 package.

   产品特点 返回TOP73K嘉泰姆


„ Power-On Reset Generator With Fixed Delay Time of 200ms 73K嘉泰姆

„ Manual Reset Input (CXDR75104/CXDR75105) 73K嘉泰姆

„ Available in three RESET Output Options Push-Pull RESET Output (CXDR75104L/CXDR75106) Push-Pull RESET Output (CXDR75104H/CXDR75106) Open-Drain RESET Output (CXDR75105L) 73K嘉泰姆

„ Supply Voltage Supervision Range 2.5V, 3V, 3.3V, 5V 73K嘉泰姆

„ Watchdog Timer (CXDR75104/CXDR75105/CXDR75106) 73K嘉泰姆

„ Supply Current of 10μA at VCC=3.3V 73K嘉泰姆

„ SOT-23-5 Package 73K嘉泰姆

„ Temperature Range . . . −40°C to 85°C73K嘉泰姆

   应用范围 返回TOP73K嘉泰姆


„ Critical μP and μC Power Monitoring 73K嘉泰姆

„ Industrial Equipment 73K嘉泰姆

„ Programmable Controls 73K嘉泰姆

„ Automotive Systems 73K嘉泰姆

„ Portable/Battery-Powered Equipment 73K嘉泰姆

„ Intelligent Instruments 73K嘉泰姆

„ Wireless Communications Systems 73K嘉泰姆

„ Notebook/Desktop Computers73K嘉泰姆

   技术规格书(产品PDF) 返回TOP 73K嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持73K嘉泰姆

 QQ截图20160419174301.jpg73K嘉泰姆

产品封装图 返回TOP73K嘉泰姆


image.png73K嘉泰姆

电路原理图 返回TOP73K嘉泰姆


 73K嘉泰姆

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Part   NO.73K嘉泰姆

VCC(V73K嘉泰姆

min73K嘉泰姆

VCC(V73K嘉泰姆

max73K嘉泰姆

Detecting73K嘉泰姆

Voltage(V)73K嘉泰姆

Manual73K嘉泰姆

Delay (ms)73K嘉泰姆

VthAcc73K嘉泰姆

uracy(%)73K嘉泰姆

Isupply73K嘉泰姆

(μA)73K嘉泰姆

Note73K嘉泰姆

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2.9373K嘉泰姆

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36073K嘉泰姆

--73K嘉泰姆

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CXDR75101 is a Push-Pull Reset  73K嘉泰姆

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SOT2373K嘉泰姆

CXDR7510373K嘉泰姆

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3/3.3/573K嘉泰姆

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Push-Pull Active-low RESET Output 73K嘉泰姆

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SOT14373K嘉泰姆

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CXDR75104/5/6 has a watchdog 73K嘉泰姆

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an Open-drain Low Reset73K嘉泰姆

SOT2373K嘉泰姆

SC70-373K嘉泰姆

TO92/SOT8973K嘉泰姆

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CXDR75110H is an  Open-Drain 73K嘉泰姆

High Reset CXDR75110L is an 73K嘉泰姆

Open-Drain Low Reset73K嘉泰姆

SC70-473K嘉泰姆

SC8273K嘉泰姆

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SOT23-573K嘉泰姆

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SOT2373K嘉泰姆

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Y73K嘉泰姆

23073K嘉泰姆

273K嘉泰姆

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CXDR75117H/L is a Push-Pull 73K嘉泰姆

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an Open-Drain Low Reset73K嘉泰姆

SOT2573K嘉泰姆

SC70-573K嘉泰姆

SOT14373K嘉泰姆