SP802M Ver la hoja de datos (PDF) - Signal Processing Technologies

Número de pieza

componentes Descripción

fabricante

SP802M

Low Power Microprocessor Supervisory with Battery Switch-Over

Signal Processing Technologies 

PFI

+1.3V

+1.2V

3V

PFO

0V

VCC = 5V

VBATT = 0V

+5V

VCC = +5V

TA = +25 C

PFI

PFO

+1.25V

30pF

1KΩ

2µs/div

Figure 8A. Power-Fail Comparator Response Time (RISE)

Figure 8B. Circuit for the Power-Fail Comparator

Response Time (RISE)

+5V

VCC

0V

+5V

RESET*

0V

+5V

RESET**

0V

tRS

3.0V

+5V

VOUT

3.0V

0V

+5V

PFO

0V

VBATT = PFI = 3.0V

*SP690A/692A/802L/802M

**SP805L/805M

Figure 9. Timing Diagram

Date: 11/29/04

SP690A/692A Low Power Microprocessor Supervisory with Battery Switch-Over

8

© Copyright 2004 Sipex Corporation

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