imp809teur-t A1 PROs co., Ltd., imp809teur-t Datasheet - Page 4

• Manufacturer Part Number: imp809teur-t
• Description: 3-pin Microcontroller Power Supply Supervisor
• Manufacturer: A1 PROs co., Ltd.

Reset Timing
The reset signal is asserted–LOW for the IMP809 and HIGH for the
IMP810–when the V
and remains asserted for 140ms minimum after the V
above the threshold.
4
Pin Descriptions
Detailed Descriptions
Pin Number
(IMP809)
(IMP810)
1
2
2
3
RESET
RESET
CC
V
CC
signal falls below the threshold trip voltage
5V
0V
5V
0V
5V
0V
RESET
RESET
Name
GND
V
CC
Function
Ground
RESET is asserted LOW if V
240ms typical reset timeout period (140ms minimum) after V
RESET is asserted HIGH if V
240ms typical reset timeout period (140ms minimum) after V
Power supply input voltage (3.0V, 3.3V, 5.0V)
Figure 1. Reset Timing Diagram
CC
has risen
CC
V
CC
TH
falls below the reset threshold and remains LOW for the
falls below the reset threshold and remains HIGH for the
minimum
140ms
Timeout Period
Active Reset
809/10_03.eps
IMP809, IMP8
IMP809, IMP8
IMP809
IMP810
CC
CC
exceeds the threshold.
exceeds the threshold.
1
1
0
0