DS1815 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1815

3.3V EconoReset with Push-Pull Output

Dallas Semiconductor -> Maxim Integrated 

DS1815

OPERATION - POWER MONITOR

The DS1815 provides the functions of detecting out-of-tolerance power supply conditions and warning a

processor-based system of impending power failure. When VCC is detected as out of tolerance, the RST

signal is asserted. On power-up, RST is kept active for approximately 150 ms after the power supply has

reached the selected tolerance. This allows the power supply and microprocessor to stabilize before RST

is released.

BLOCK DIAGRAM (CMOS OUTPUT) Figure 1

APPLICATION EXAMPLE Figure 2

APPLICATION DIAGRAM:

RST VALID TO 0 VOLTS VCC ON THE DS1815 Figure 3

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