IMP706ESA A1 PROs co., Ltd., IMP706ESA Datasheet

IMP706ESA

Manufacturer Part Number

IMP706ESA

Description

Manufacturer

A1 PROs co., Ltd.

Datasheet

1.IMP706ESA.pdf (9 pages)

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The IMP705/706/707/708 and IMP813L CMOS supervisor circuits

monitor power-supply and battery voltage level, and µP/µC operation.

Compared to pin-compatible devices offered by Maxim Integrated

Products, IMP devices feature 60 percent lower maximum supply current.

The family offers several functional options. Each device generates a

reset signal during power-up, power-down and during brownout

conditions. A reset is generated when the supply drops below

4.65V (IMP705/707/813L) or 4.40V (IMP706/708). For 3V power supply

applications, refer to the IMP705P/R/S/T data sheet. In addition, the

IMP705/706/813L feature a 1.6 second watchdog timer. The IMP707/708

have both active-HIGH and active-LOW reset outputs but no watchdog

function. The IMP813L has the same pin-out and functions as the IMP705

but has an active-HIGH reset output. A versatile power-fail circuit has a

1.25V threshold, useful in checking battery levels and non-5V supplies. All

devices have a manual reset (MR) input. The watchdog timer output will

trigger a reset if connected to MR.

All devices are available in 8-pin DIP, SO and MicroSO packages.

1999 IMP, Inc.

Block Diagrams

WDI

PFI

IMP705

IMP706

IMP813L

0.25mA

4.65V (IMP705/813L)

4.40V (IMP706)

Transition

Detector

–

1.25V

Watchdog

Timebase

Generator

RESET

Timer

–

GND

408-432-9100/www.impweb.com

IMP705/6/7/8, 8

705_01.eps

WDO

RESET

(RESET)

(IMP813L)

PFO

PFI

N Improved replacements for the Maxim

N Precision power supply monitor

N Debounced manual reset input

N Voltage monitor

N Watchdog timer (IMP705/706/813L)

N 200ms reset pulse width

N Active HIGH reset output (IMP707/708/813L)

N MicroSO package

N Computers and embedded controllers

N Battery-operated systems

N Intelligent instruments

N Wireless communication systems

N PDAs and handheld equipment

MAX705/6/7/8, MAX813L

– 140µA maximum supply current

– 60% improvement

– 4.65V threshold (IMP705/707/813L)

– 4.40V threshold (IMP706/8)

– 1.25V threshold

– Battery monitor/Auxiliary supply monitor

IMP707

IMP708

0.25mA

4.65V (IMP707)

4.40V (IMP708)

–

1.25V

Generator

RESET

Key Features

Applications

–

GND

705_02.eps

RESET

PFO

Related parts for IMP706ESA

IMP706ESA Summary of contents

Page 1

The IMP705/706/707/708 and IMP813L CMOS supervisor circuits monitor power-supply and battery voltage level, and µP/µC operation. Compared to pin-compatible devices offered by Maxim Integrated Products, IMP devices feature 60 percent lower maximum supply current. The family offers several functional options. ...

Page 2

... NC GND PFI PFO PFI Ordering Information IMP705CPA IMP705CSA IMP705CUA IMP705C/D IMP705EPA IMP705ESA IMP706ESA IMP706CPA IMP706CSA IMP706CUA IMP706C/D IMP706EPA IMP706ESA IMP707CPA IMP707CSA IMP707CUA IMP707C/D IMP707EPA IMP707ESA IMP708CPA IMP708CSA IMP708CUA IMP708C/D IMP708EPA IMP708ESA IMP813LCPA IMP813LCSA IMP813LCUA IMP813LC/D IMP813LEPA IMP813LESA RESET ...

Page 3

Pin Terminal Voltage with Respect to Ground ...

Page 4

Pin Descriptions — — — — 6 — — — — — ...

Page 5

RESET/RESET Operation The RESET/RESET signals are designed to start a µP/µ known state or return the system to a known state. The IMP707/708 have two RESET outputs, one active-HIGH RESET and one active-LOW RESET output. The IMP813L has ...

Page 6

Application Information Ensuring That RESET is Valid Down to V When V falls below 1.1V, the IMP705-708 RESET output no CC longer pulls down; it becomes indeterminate. To avoid the possi- bility that stray charges build up and force RESET ...

Page 7

Monitoring Voltages Other Than V The IMP705-708 can monitor voltages other than V Power Fail circuitry resistive divider is connected from the voltage to be monitored to the Power Fail input, PFI, the PFO (output) will go LOW ...

Page 8

Package Dimensions 0.10mm e 0.004in ––––– A1 0.015 A2 0.115 0.014 b2 ...

Page 9

IMP, Inc. Corporate Headquarters 2830 N. First Street San Jose, CA 95134-2071 Tel: 408-432-9100 Tel: 800-438-3722 Fax: 408-434-0335 e-mail: info@impinc.com http://www.impweb.com The IMP logo is a registered trademark of IMP, Inc. All other company and product names are trademarks of ...

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