Description
The UM805/811/812 are low-power microprocessor (μP) supervisory circuits used to monitor power supplies in μP and digital systems.
They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with 5V-powered or 3V-powered circuits.
Features
- z Computers
z No External Components
z Controllers
z VCC Transient Immunity
z Portable/Battery-Powered Equipments z Correct Logic Output Guaranteed to VCC=1.0V
z Intelligent Instruments
z Precision VCC Monitoring of 3.0V, 3.3V and 5.0V
z Critical μP and μC Power Monitoring
Supplies
z 2μA Supply Current
z 140ms Minimum Power-On Reset Pulse Width
z Guaranteed Over Temperature z Available in 3 Output Con_f_i_g__u_r_a__t_ions:
Open-Drain Active-Low___R__E__S__E_ T Output (UM805) Push-Pul.
UM812 Datasheet
