DS1815 Dallas Semiconductor, DS1815 Datasheet - Page 2

• Manufacturer Part Number: DS1815
• Description: 3.3V EconoReset
• Manufacturer: Dallas Semiconductor

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 V
signal is asserted. On power-up,
reached the selected tolerance. This allows the power supply and microprocessor to stabilize before
is released.
BLOCK DIAGRAM (CMOS OUTPUT) Figure 1
APPLICATION EXAMPLE Figure 2
APPLICATION DIAGRAM:
RST
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VALID TO 0 VOLTS V
RST
CC
is kept active for approximately 150 ms after the power supply has
ON THE DS1815 Figure 3
2 of 5
CC
is detected as out of tolerance, the
DS1815
RST
RST