DS1815R-20 Maxim Integrated Products, DS1815R-20 Datasheet - Page 2

• Manufacturer Part Number: DS1815R-20
• Description: IC ECONORST 3.3V P-P 20% SOT23-3
• Manufacturer: Maxim Integrated Products
• Series: EconoResetr
• Type: Simple Reset/Power-On Resetr

Specifications of DS1815R-20

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 100 ms Minimum
• Voltage - Threshold: 2.55V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
VALID TO 0 VOLTS V
RST
CC
is kept active for approximately 150ms after the power supply has
ON THE DS1815 Figure 3
2 of 5
CC
is detected as out of tolerance, the
DS1815
RST
RST