SP706RCN-L datasheet(1/16 Pages) EXAR

Part #	SP706RCN-L

Description	3.0V/3.3V Low Power Microprocessor Supervisory Circuits

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Manufacturer	EXAR [Exar Corporation]

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SP

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06

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/S

S/

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June 2010

Rev. 2.0.0

Exar Corporation

www.exar.com

48720 Kato Road, Fremont CA 94538, USA

Tel. +1 510 668-7000 – Fax. +1 510 668-7001

GENERAL DESCRIPTION

The SP706R/S/T and SP708R/S/T series is a

family of microprocessor (µP) supervisory

circuits that integrate myriad components

involved in discrete solutions which monitor

power-supply and battery in µP and digital

systems.

The SP706R/S/T and SP708R/S/T series will

significantly improve system reliability and

operational efficiency when compared to

solutions obtained with discrete components.

The

features

of

the

SP706R/S/T

and

SP708R/S/T series include a watchdog timer, a

µP reset, a Power Fail Comparator, and a

manual-reset input.

The SP706R/S/T and SP708R/S/T series is

ideal

for

3.0V

or

3.3V

applications

in

automotive systems, computers, controllers,

and intelligent instruments. The SP706R/S/T

and SP708R/S/T series is an ideal solution for

systems in which critical monitoring of the

power supply to the µP and related digital

components is demanded.

APPLICATIONS

• Processors & DSPs Based Systems

• Industrial & Medical Instruments

FEATURES

• Precision Low Voltage Monitor

− SP706R/SP708R: +2.63V

− SP706S/SP708S: +2.93V

− SP706T/SP708T: +3.08V

• 200ms RESET Pulse Width

− SP706R/S/T: Active Low

− SP708R/S/T: Active High and Active Low

• Independent Watchdog Timer

− 1.6s Timeout (SP706R/S/T)

− Enable/Disable Function

• 40µA Maximum Supply Current

• Debounced TTL/CMOS Manual Reset

Input

• RESET Asserted Down to VCC=1V

• VCC Glitch Immunity

• Voltage Monitor for Power Failure or

Low Battery Warning

• 8-Pin NSOIC and MSOP Packages

• Pin Compatible with Industry

Standards 706R/S/T and 708R/S/T

Part Number

RESET Threshold

RESET Active

Manual RESET

Watchdog

PFI Accuracy

SP706R

2.63V

Low

Yes

4%

SP706S

2.93V

Low

Yes

4%

SP706T

3.08V

Low

Yes

4%

SP708R

2.63V

Low and High

Yes

No

4%

SP708S

2.93V

Low and High

Yes

No

4%

SP708T

3.08V

Low and High

Yes

No

4%

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