CAT809MTBI-T3 데이터 시트보기 (PDF) - Catalyst Semiconductor => Onsemi

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CAT809MTBI-T3

3-Pin Microprocessor Power Supply Supervisors

Catalyst Semiconductor => Onsemi 

CAT803, CAT809, CAT810

Cat803 Open-Drain RESET Application

The CAT803 features an open-drain RESET output

and therefore needs a pull-up resistor on the output for

proper operation, as shown on Figure 6. An advantage

of the open-drain output includes the ability to “wire

AND” several outputs together to form an inexpensive

logic circuit. It is also possible to have the pull-up resistor

connected to a different supply which can be higher than

the CAT803 VCC pin. The value of the pull-up resistor

is not critical in most applications, typical values being

between 5kΩ and 10kΩ.

Power

Supply

VCC

CAT803

RESET

GND

5kΩ

VCC

µP

RESET

INPUT

GND

Figure 6. Typical CAT803 Open-Drain Circuit Configuration

Doc. No. 3004, Rev. X



© 2007 by Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

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