Description
DS181xA 1 RST 2 GND PBRST 3 4 ST 5 VCC DS181xB 1 RST 2 GND 3 RST 4 ST 5 VCC DS181xC 1 RST 2 GND 3 RST 4 PBRST 5 VCC Active Low Reset Output Ground Pushbutton Reset Input Strobe Input Power Supply
DEVICE
RST
PBRST
WD X X
DS181xA X DS181xB X X DS181xC X X x = "DS1814" for 5V devices x = "DS1819"
Features
- Halts and restarts an out-of-control microprocessor Holds microprocessor in check during power transients Automatically restarts microprocessor after power failure Monitors pushbutton for external override Accurate 5%, 10%, or 20% (3V only) microprocessor power monitoring Eliminates the need for discrete components 20% tolerance for use with 3.0V systems Pin- and function-compatible with the MAX823/24/25 products Low cost SOT-23-5 packa.
DS1819 Datasheet
