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UCC2946-Q1 - 产品图解：
UCC2946-Q1-具有看门狗定时器的汽车类微处理器监控器
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TI产品 - UCC2946-Q1介绍

UCC2946-Q1 - 具有看门狗定时器的汽车类微处理器监控器

UCC2946-Q1是TI德州仪器公司的一款无产品，UCC2946-Q1是具有看门狗定时器的汽车类微处理器监控器，本站介绍了UCC2946-Q1的封装应用图解、特点和优点、功能等，并给出了与UCC2946-Q1相关的TI元器件型号供参考。

UCC2946-Q1 - 具有看门狗定时器的汽车类微处理器监控器 - 无 - 监控器和复位IC - 德州仪器

产品描述

The UCC2946 is designed to provide accurate microprocessor supervision, including reset and watchdog functions. During power up, the device asserts a reset signal RES with VDD as low as 1 V. The reset signal remains asserted until the VDD voltage rises and remains above the reset threshold for the reset period. Both reset threshold and reset period are programmable by the user.

The UCC2946 is also resistant to glitches on the VDD line. Once RES has been deasserted, any drops below the threshold voltage need to be of certain time duration and voltage magnitude to generate a reset signal. These values are shown in. An I/O line of the microprocessor may be tied to the watchdog input (WDI) for watchdog functions. If the I/O line is not toggled within a set watchdog period, programmable by the user, WDO is asserted. The watchdog function is disabled during reset conditions.

The UCC2946 is available in 8-pin TSSOP (PW) package to optimize board space.

产品特性

  • Qualified for Automotive Applications
  • Fully Programmable Reset Threshold
  • Fully Programmable Reset Period
  • Fully Programmable Watchdog Period
  • 2% Accurate Reset Threshold
  • Input Voltage Down to 2 V
  • Input 18-µA Maximum Input Current
  • Reset Valid Down to 1 V

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