SP703CN Ver la hoja de datos (PDF) - Signal Processing Technologies

Número de pieza

componentes Descripción

fabricante

SP703CN

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 6A. Power-Fail Comparator Response Time (RISE)

Figure 6B. Circuit for the Power-Fail Comparator

Response Time (RISE)

+5V

VCC

0V

+5V

RESET

tRS

0V

+5V

VOUT

3.0V

0V

+5V

PFO

0V

VBATT = PFI = 3.0V

Figure 7. Timing Diagram

SP703/704DS/07

SP703/704 Low Power Microprocessor Supervisory

8

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