Description
The UM807/821/822 are low-power microprocessor (μP) supervisory circuits used to monitor power supplies in μP and digital systems.
Features
- z Set-Top Boxes z Consumer Electronics z DVD Players z Cable/DSL Modems z MP3 Players z Industrial Equipments z Automotive z Medical Devices
z No External Components z VCC Transient Immunity z Correct Logic Output Guaranteed to VCC=1.0V z Precision VCC Monitoring of 3.0V, 3.3V and 5.0V
Supplies z 2μA Supply Current z 140ms Minimum Power-On Reset Pulse Width z Available in 3 Manual Reset Setup Periods (tMR):
A: 10.08s
B: 6.72s
C: 1.68s z Available in 3 Output Con_f__i_g__u__r_a__t_i_ons:
Open-D.
UM821 Datasheet
