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SP707 Datasheet

Low Power Microprocessor Supervisory Circuits

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®
SP705-708/813L/813M
Low Power Microprocessor Supervisory Circuits
s Precision Voltage Monitor:
SP705/707/813L at 4.65V
SP706/708/813M at 4.40V
s RESET Pulse Width - 200ms
s Independent Watchdog Timer - 1.6s
Timeout (SP705/706/813L/813M)
s 60µA Maximum Supply Current
s Debounced TTL/CMOS Manual Reset Input
s RESET Asserted Down to VCC = 1V
s Voltage Monitor for Power Failure or Low
Battery Warning
s Available in 8-pin PDIP, NSOIC, and
µSOIC packages
s Pin Compatible Enhancement to Industry Standard 705-708/813L Series
s Functionally Compatible to Industry Standard 1232 Series
DESCRIPTION…
The SP705-708/813L/813M 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 SP705-708/813L/813M series will significantly improve
system reliability and operational efficiency when compared to solutions obtained with discrete
components. The features of the SP705-708/813L/813M series include a watchdog timer,
a µP reset, a Power Fail Comparator, and a manual-reset input. The SP705-708/813L/813M
series is ideal for applications in automotive systems, computers, controllers, and intelligent
instruments. The SP705-708/813L/813M series is an ideal solution for systems in which critical
monitoring of the power supply to the µP and related digital components is demanded.
Part
Number
SP705
SP706
SP707
SP708
SP813L
SP813M
RESET
Threshold
RESET
Active
Manual
RESET
4.65 V
4.40 V
4.65 V
4.40 V
4.65 V
4.40V
LOW
LOW
LOW and HIGH
LOW and HIGH
HIGH
HIGH
YES
YES
YES
YES
YES
YES
Watchdog
YES
YES
NO
NO
YES
YES
PFI
Accuracy
4%
4%
4%
4%
4%
4%
SP705DS/09
SP705 Low Power Microprocessor Supervisory Circuits
1
© Copyright 2000 Sipex Corporation




Sipex

SP707 Datasheet Preview

SP707 Datasheet

Low Power Microprocessor Supervisory Circuits

No Preview Available !

ABSOLUTE MAXIMUM RATINGS
This is a stress rating only and functional operation
of the device at these or any other conditions above
those indicated in the operation sections of this
specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of
time may affect reliability and cause permanent
damage to the device.
V -0.3V to +6.0Vcc .......................................................................................
All Other Inputs (Note 1) ......... -0.3V to (Vcc+0.3V)
Input Current:
V 20mAcc .............................................................................................................
GND ............................................................ 20mA
Output Current (all outputs) ......................... 20mA
ESD Rating ..................................................... 4KV
Continuous Power Dissipation
Plastic DIP (derate 9.09mW/°C above +70°C)727mW
SO (derate 5.88mW/°C above +70°C) ...... 471mW
Mini SO (derate 4.10mW/°C above +70°C) 330mW
Storage Temperature Range ....... -65°C to +160°C
Lead Temperature (soldering, 10s) ............ +300°C
SPECIFICATIONS
VCC = 4.75V to 5.50V for SP705/707/813L, VCC = 4.50V to 5.50V for SP706/708/813M, TA = TMIN to TMAX, unless otherwise noted, typical at 25oC.
PARAMETER
Operating Voltage Range, VCC
MIN.
1.0
TYP. MAX. UNITS CONDITIONS
5.5 V
Supply Current, ISUPPLY
Reset Threshold
Reset Threshold Hysteresis
Reset Pulse Width, tRS
4.50
4.25
140
40
4.65
4.40
40
200
60
4.75
4.50
280
RESET Output Voltage
V -1.5
CC
0.8
Watchdog Timeout Period, tWD
WDI Pulse Width, tWP
WDI Input Threshold,
LOW
HIGH
WDI Input Current
1.00
50
3.5
1.60
30
0.40
0.30
2.25
0.8
75
-75 -20
µA MR=VCC or Floating, WDI Floating
V SP705, SP707, SP813L, Note 2
SP706, SP708, SP813M, Note 2
mV Note 2
ms Note 2
Note 2
I
SOURCE
=
800µA
V ISOURCE=4µA, VCC=1.1V
ISINK = 3.2mA
VCC = 1V, ISINK = 50µA
s SP705, SP706, SP813L, SP813M
ns VIL = 0.4V, VIH = 0.8XVCC
SP705, SP706, SP813L, SP813M
V VCC = 5V
µA SP705, SP706, SP813L, SP813M
WDI = VCC
SP705, SP706, SP813L, SP813M
WDI = 0V
SP705DS/09
SP705 Low Power Microprocessor Supervisory Circuits
2
© Copyright 2000 Sipex Corporation


Part Number SP707
Description Low Power Microprocessor Supervisory Circuits
Maker Sipex
Total Page 18 Pages
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