SP705CP Exar Corporation, SP705CP Datasheet
SP705CP
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SP705CP Summary of contents
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Low Power Microprocessor Supervisory Circuits Precision Voltage Monitor: SP705/707/813L at 4.65V SP706/708/813M at 4.40V RESET Pulse Width - 200ms Independent Watchdog Timer - 1.6s Timeout (SP705/706/813L/813M Maximum Supply Current Debounced TTL/CMOS Manual Reset Input RESET Asserted Down to ...
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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 ...
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SPECIFICATIONS V = 4.75V to 5.50V for SP705/707/813L,813M ...
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WDI PFI Figure 2. Internal Block Diagram for the SP705/706/813L/813M PFI Figure 3. Internal Block Diagram for the SP707/708 OCT 17-06 RevB WATCHDOG WATCHDOG TRANSITION TIMER DETECTOR V CC TIMEBASE FOR RESET ...
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Figure 4A. Power-Fail Comparator De-assertion Response Time. Figure 5A. Power-Fail Comparator Assertion Response Time. Figure 6A. SP705/707 RESET Output Voltage vs. Supply Voltage. OCT 17-06 RevB +5V PFI +1.25V Figure 4B. Circuit for the Power-Fail Comparator De- assertion Response Time. ...
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Figure 7A. SP705/707 RESET Response Time Figure 8. SP707 RESET and RESET Assertion Figure 10. Circuit for the SP707 RESET and RESET Assertion and De-Assertion OCT 17-06 RevB GND Figure 7B. Circuit for the SP705/707 ...
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Figure 11. SP707/708/813L/813M RESET Output Voltage vs. Supply Voltage V CC GND Figure 13. Circuit for the SP707/708/813L/813M RESET Output Voltage vs. Supply Voltage and the SP813L/813M RESET Response Time OCT 17-06 RevB Figure 12. SP813L/813M RESET Response Time V ...
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FEATURES The SP705-708/813L/813M series provides four key functions reset output during power-up, power-down and brownout conditions independent watchdog output that goes LOW if the watchdog input has not been toggled within 1.6 seconds 1.25V ...
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WP +5V WDI 0V +5V WDO 0V +5V RESET* 0V +5V RESET* 0V Figure 14. SP705/706/813L/813M Watchdog Timing Waveforms Typically, WDO will be connected to the non-maskable interrupt input (NMI When V drops below the reset ...
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Power-Fail Comparator The power-fail comparator can be used for various purposes because its output and noninverting input are not internally connected. The inverting input is internally connected to a 1.25V reference. To build an early-warning circuit for power failure, connect ...
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RESET can be used to monitor voltages other than the +5V V line. Connect PFO initiate a RESET pulse when PFI drops below 1.25V. Figure 17 shows the ...
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Centigrade Temperature Figure 20. Supply Current vs. Temperature Applications The SP705-708/813L/813M series offers unmatched performance and the lowest power consumption for these industry standard devices. Refer to ...
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OCT 17-06 RevB SP705 Low Power Microprocessor Supervisory Circuits 15 © 2006 Sipex Corporation ...
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OCT 17-06 RevB SP705 Low Power Microprocessor Supervisory Circuits 16 © 2006 Sipex Corporation ...
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BSC 0.0965 0.003 0.020 0.020 1 2 0.116 0.004 0.013 0.005 0.118 0.004 50 SOIC devices per tube OCT 17-06 RevB PACKAGE: PLASTIC MICRO SMALL OUTLINE ( SOIC) 12.0˚ 4˚ 0.012 0.003 R .003 0.118 0.16 0.004 0.003 12.0˚ ...
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... Model ....................................................................................... Temperature Range ................................................................................ Package SP705CP ....................................................................................... +70 C ......................................................................... 8–pin Plastic DIP SP705CN ....................................................................................... +70 C ..................................................................... 8–pin Narrow SOIC SP705CU ....................................................................................... +70 C ................................................................................. 8-pin SOIC SP705EP ...................................................................................... - +85 C ....................................................................... 8–pin Plastic DIP SP705EN ..................................................................................... - +85 C ................................................................... 8–pin Narrow SOIC SP705EU ..................................................................................... - +85 C ............................................................................... 8-pin SOIC SP706CP ....................................................................................... +70 C ......................................................................... 8–pin Plastic DIP SP706CN ....................................................................................... +70 C ..................................................................... 8–pin Narrow SOIC SP706CU ....................................................................................... +70 C ................................................................................. 8-pin SOIC SP706EP ...................................................................................... - +85 C ....................................................................... 8– ...