CAT7311 查看數據表（PDF） - Catalyst Semiconductor => Onsemi

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CAT7311

i2c and smbus i/o port expanders

Catalyst Semiconductor => Onsemi 

µP supervisory circuits

CAT809 / CAT810 / CAT811 / CAT812

3-Pin/4-Pins Microprocessor Power Supply Supervisors

Features

SUPPLY VOLTAGE

■ 6 µA power supply current

■ pin compatible with MAX809, 810, 811 and 812

■ offered in two output configurations:

- push-pull RESET, active LOW (CAT809 and CAT811)

- push-pull RESET, active HIGH (CAT810 and CAT812)

■ power supply transient immunity

■ manual reset (MR) (CAT811 / CAT812 only)

■ precision monitoring of 5.0 V, 3.3 V, 3.0 V and

2.5 V power supplies

■ reset valid down to VCC = 1.0 V

■ custom reset threshold voltage offered

Package Information

■ 3-pin SOT23 (CAT809 / CAT810)

■ 3-pin SC70 (CAT809 / CAT810)

■ 4-pin SOT143 (CAT811 / CAT812)

MICROCONTROLLER

RESET

SIGNAL

CAT809

SUPERVISOR

CATALYST

EEPROM

MEMORY

Featured Products

ALOGEN FR

LEAD

F

R

E

E

TM

MANUAL CAT1232LP

RESET

PBRST VCC

TD

ST

5V

MICROCONTROLLER

I/O

TOL

GND

RESET

RESET

RESET

CAT1232LP

5 V µP Supply Voltage Monitor and µP Reset Circuit

Features

■ power-up, power-down and brownout protection

■ watchdog timer

- selectable watchdog period

- 150ms, 600ms or 1.2 sec

■ selectable reset voltage tolerance

- 5% or 10%

■ two reset outputs

- active low, open-drain reset output

- active high, push-pull reset output

■ debounced manual push-button reset

■ pin compatible with DS1232 and DS1232LP

Package Information

■ 8-pin DIP

■ 8-pin & 16-pin SOIC

■ 8-pin MSOP

www.catsemi.com

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