Diodes AZ809/AZ810 - Manual (Page 7)

Data Sheet
3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ810
7
Dec. 2012 Rev. 1. 4 BCD Semiconductor Manufacturing Limited
Typical Application
V
CC
V
CC
AZ809
(AZ810)
RESET
(RESET)
GND
V
CC
RESET
INPUT
GND
Figure 5. Typical Application of AZ809/810
Operating Diagram
Figure 4. Reset Timing Diagram of AZ809/810
Note: The reset signal is asserted LOW for the AZ809 and HIGH for the AZ810 when the V
CC
signal falls below
the threshold trip voltage and remains asserted for 240ms typical after the V
CC
has risen above the threshold.
5V
0V
5V
0V
5V
0V
RESET
RESET
V
CC
AZ809
AZ810
Active Reset
Timeout Period
V
TH
240ms
typical
20 μs
typical