IMP810TEUR-T 查看數據表（PDF） - A1 PROs co., Ltd.

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IMP810TEUR-T

3-Pin Microcontroller Power Supply Supervisor

A1 PROs co., Ltd. 

Pin Descriptions

Pin Number

1

2

(IMP809)

2

(IMP810)

3

Name

GND

RESET

RESET

VCC

IMP809, IMP810

Function

Ground

RESET is asserted LOW if VCC falls below the reset threshold and remains LOW for the

240ms typical reset timeout period (140ms minimum) after VCC exceeds the threshold.

RESET is asserted HIGH if VCC falls below the reset threshold and remains HIGH for the

240ms typical reset timeout period (140ms minimum) after VCC exceeds the threshold.

Power supply input voltage (3.0V, 3.3V, 5.0V)

Detailed Descriptions

Reset Timing

The reset signal is asserted–LOW for the IMP809 and HIGH for the

IMP810–when the VCC signal falls below the threshold trip voltage

and remains asserted for 140ms minimum after the VCC has risen

above the threshold.

5V

VCC

0V

5V

RESET

0V

5V

RESET

0V

VTH

Active Reset

Timeout Period

140ms

minimum

IMP809

Figure 1. Reset Timing Diagram

IMP810

809/10_03.eps

4

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