Datasheet > FM810JFS3

FM810JFS3

更新时间： 2024-02-19 04:29:22

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Voltage Detector

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数据手册

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FM810JFS3 数据手册

June 2001

FM809/810

3-Pin µC Supervisor Circuits

General Description

The FM809/810 are supervisor circuits that monitor power supply

or other system voltages and issue reset pulses (FM809 =

RESET, FM810 = RESET) when a fault condition exists. Several

threshold voltages are offered to accommodate system voltages

of 5.0V, 3.3V, 3.0V and 2.7V with different tolerances.

I 140ms power-on RESET delay (minimum)

I RESET operation guaranteed to 1.0V

I Supply current only 2µA

I No external components

I -40°C to +105°C Operating Range

I SOT23-3 package

The low supply current (typically 2µA) recommends the devices

for portable designs or wherever power saving is primary.

The minimum RESET delay is 140ms, but this may be changed to

a value between 32-256ms. Contact the factory for more informa-

tion.

Applications

I Microcontrollers and Microprocessors

I Appliances

Features

I Power-Supply Monitoring

I Portable Equipment

I V_THvoltages of 4.63V, 4.38V, 4.00V, 3.08V, 2.93V and

2.63V (contact factory for lower values of V_TH

)

I Automotive Systems

I RESET (FM809) or RESET (FM810) output

Typical Operating Circuit

V_CC

FM809

µC

RESET

I/P

GND

Connection Diagram

GND

RESET (809) or

RESET (810)

FM809/810

SOT23-3 Package

FM809/810 Rev. C

www.fairchildsemi.com

12 3 4 5 6 7

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