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What is SP707?

This electronic component, produced by the manufacturer "Exar", performs the same function as "Low Power Microprocessor Supervisory Circuits".


SP707 Datasheet PDF - Exar

Part Number SP707
Description Low Power Microprocessor Supervisory Circuits
Manufacturers Exar 
Logo Exar Logo 


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Total 17 Pages



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June 2011
SP705-SP708-SP813L
Low Power Microprocessor Supervisory Circuits
Rev. 2.1.0
GENERAL DESCRIPTION
The SP705-708/813L series is a family of
microprocessor (µP) supervisory circuits that
integrate myriad components involved in
discrete solutions which monitor power-supply
and battery in mP and digital systems.
The SP705-708/813L series will significantly
improve system reliability and operational
efficiency when compared to solutions
obtained with discrete components. The
features of the SP705-708/813L series include
a watchdog timer, a µP reset, a Power Fail
Comparator, and a manual-reset input.
The SP705-708/813L series is ideal for
applications in automotive systems,
computers, controllers, and intelligent
instruments. The SP705-708/813L 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 Voltage Monitor
SP705/SP707/SP813L: 4.65V
SP706/SP708: 4.40V
200ms RESET Pulse Width
Independent Watchdog Timer
1.6s Timeout (SP705/SP706/SP813L)
60µA Maximum Supply Current
Debounced TTL/CMOS Manual Reset
Input
RESET Asserted Down to VCC=1.1V
Voltage Monitor for Power Failure or
Low Battery Warning
8-Pin PDIP, NSOIC and MSOP Packages
Pin Compatible with Industry
Standards 705-708-813L Series
Functionally Compatible to Industry
Standard 1232 Series
Part Number
SP705
SP706
SP707
SP708
SP813L
RESET Threshold
4.65V
4.40V
4.65V
4.40V
4.65V
RESET Active
Low
Low
Low and High
Low and High
High
Manual RESET
Yes
Yes
Yes
Yes
Yes
Watchdog
Yes
Yes
No
No
Yes
PFI Accuracy
4%
4%
4%
4%
4%
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001

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SP707 equivalent
SP705-SP708-SP813L
Low Power Microprocessor Supervisory Circuits
Name
WDO
RESET
Pin Number
SP705-SP706
SP707-SP708
SOIC
MSOP
SOIC
MSOP
82- -
- -82
SP813L
DIP
SOIC
8
7
Description
Watchdog Output
This output pulls LOW when the internal watchdog timer
finishes its 1.6s count and does not go HIGH again until the
watchdog is cleared. WDO also goes LOW during low-line
conditions. Whenever VCC is below the reset threshold, WDO
stays LOW. However, unlike RESET, WDO does not have a
minimum pulse width. As soon as VCC is above the reset
threshold, WDO goes HIGH with no delay.
Active-HIGH RESET Output
This output is the complement of RESET. Whenever RESET is
HIGH, RESET is LOW and vice-versa. Note that the SP813L
has a reset output only.
ORDERING INFORMATION
Part Number
SP705CN-L
SP705CN-L/TR
SP705EN-L
SP705EN-L/TR
SP705CU-L
SP705CU-L/TR
Temperature
Range
0°CTA+70°C
0°CTA+70°C
-40°CTA+85°C
-40°CTA+85°C
0°CTA+70°C
0°CTA+70°C
Marking
SP705C
YYWWL
#
SP705E
YYWWL
#
705C
#
YWW
Package
Packing
Quantity
Note 1
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin MSOP
Bulk
Lead Free
8-pin MSOP 2.5K/Tape & Reel Lead Free
SP706CN-L
SP706CN-L/TR
SP706EN-L
SP706EN-L/TR
SP706CU-L
SP706CU-L/TR
0°CTA+70°C
0°CTA+70°C
-40°CTA+85°C
-40°CTA+85°C
0°CTA+70°C
0°CTA+70°C
SP706C
YYWWL
#
SP706E
YYWWL
#
706C
#
YWW
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin MSOP
Bulk
Lead Free
8-pin MSOP 2.5K/Tape & Reel Lead Free
SP707CN-L
SP707CN-L/TR
SP707EN-L
SP707EN-L/TR
SP707CU-L
SP707CU-L/TR
0°CTA+70°C
0°CTA+70°C
-40°CTA+85°C
-40°CTA+85°C
0°CTA+70°C
0°CTA+70°C
SP707C
YYWWL
#
SP707E
YYWWL
#
707C
#
YWW
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin MSOP
Bulk
Lead Free
8-pin MSOP 2.5K/Tape & Reel Lead Free
SP708CN-L
SP708CN-L/TR
SP708EN-L
SP708EN-L/TR
0°CTA+70°C
0°CTA+70°C
-40°CTA+85°C
-40°CTA+85°C
SP708C
YYWWL
#
SP708E
YYWWL
#
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
SP813LCN-L
SP813LCN-L/TR
SP813LEN-L
SP813LEN-L/TR
SP813LCP-L
SP813LEP-L
0°CTA+70°C
0°CTA+70°C
-40°CTA+85°C
-40°CTA+85°C
0°CTA+70°C
-40°CTA+85°C
SP813LC
YYWWL
#
SP813LE
YYWWL
#
SP813LC
YWWL#
SP813LE
YWWL#
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin NSOIC
Bulk
Lead Free
8-pin NSOIC 2.5K/Tape & Reel Lead Free
8-pin PDIP
Bulk
Lead Free
8-pin PDIP
Bulk
Lead Free
“YY” = Year – “WW” = Work Week – “#” = Lot Number
© 2011 Exar Corporation
5/17
Note 2
Rev. 2.1.0


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Information Total 17 Pages
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