sp690tep-l Exar Corporation, sp690tep-l Datasheet
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sp690tep-l
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sp690tep-l Summary of contents
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Low Power Microprocessor Supervisory with Battery Switch-Over RESET and RESET Outputs Reset asserted down to V Reset Time Delay - 200ms Watchdog Timer - 1.6 sec timeout 40 A Maximum V Supply Current Maximum Battery ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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SPECIFICATIONS (continued 3.17V to 5.50V for the SP690T/SP80_T 3.02V to 5.50V for the SP690S/SP80_S unless otherwise noted. Typical values taken MIN MAX ...
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SPECIFICATIONS (continued 3.17V to 5.50V for the SP690T/SP80_T unless otherwise noted. Typical values taken MIN MAX NOTE 1: The following are tested at V functionality, logic input ...
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INTERNAL BLOCK DIAGRAM 8 V BATT 1.25V 1.25V WDI 6 PFI 4 SP690T/S/R JAN 30-06 SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory BATTERY SWITCHOVER CIRCUIT SP690T/S/R SP802T/S/R SP804T/S/R SP805T/S/R BATTERY SWITCHOVER COMPARATOR RESET GENERATOR RESET COMPARATOR ...
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PINOUT V OUT V CC GND PFI PIN ASSIGNMENTS Pin 1 —V — Output Supply Voltage for OUT CMOS RAM. When V CC reset threshold, V connects to V OUT through a P-channel MOSFET switch. When V falls below the ...
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TYPICAL CHARACTERISTICS -60 -40 - Temperature ( o C) Figure 1. V Supply Current vs. Temperature (Normal CC Mode) 1.262 1.26 1.258 1.256 1.254 1.252 1.25 1.248 -60 -40 -20 0 ...
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Temperature ( o C) Figure 7. Reset Output Resistance vs. Temperature 1E-06 decade /div 1E-14 .0000 V3 .5000/div (V) Figure 9. Battery Current vs. V Voltage ...
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div T 0V RESET sec / div Figure 13A. SP690A RESET Output Voltage vs. Supply Voltage div 0V 1 RESET 0V 1 sec /div Figure 14A. SP805L RESET Output Voltage vs. ...
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div div Figure 16A. SP805L RESET Response Time PFI 1.3V 1.2V PFO 5V 0V 500ns / div Figure 17A. Power-Fail Comparator Response Time (fall) 1 1.3V ...
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3.0V or 3.3V V OUT 0V 3.0V or 3.3V RESET 0V 3.0V or 3.3V RESET* 0V 3.0V or 3.3V PFO 0V *SP804T/S/R and SP805T/S/R only; Reset externally pulled Figure 19. Timing ...
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FEATURES The SP690T/S/R, SP802T/S/R, SP804T/S/R and SP805T/S/R devices provide four key functions battery backup switch for CMOS RAM, CMOS microprocessors, or other logic reset output during power-up, power-down and brownout conditions reset pulse if ...
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The watchdog timer can also initiate a reset. Refer to the Watchdog Input section. The SP804T/S/R and SP805T/S/R active-HIGH RESET output is open drain and the inverse of the SP690T/S/R and SP802T/S/R RESET outputs. RESET is also triggered by a ...
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A) 3. 1N4148 V OUT V BATTERY pin 7* 0.1F GND Figure 21. Using a High Capacity Capacitor as a Backup Power Source Switchover at V (2.40V) ensures that battery- SW backup mode is entered before ...
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PFI + SP690T/S/R SP802T/S *C1 SP804T/S/R SP805T/S/R PFO GND TO P PFO TRIP TRIP PFT R2 ( ...
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Buffered RESET connects to System Components V CC RESET RESET 4.7K GND Figure 24. Interfacing to Microprocessors with Bidirectional RESET I/O Monitoring an Additional Power Supply These P supervisors can monitor either positive or negative supplies using a resistor voltage ...
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D1 = 0.005" min. (0.127 min 0.100 BSC (2.540 BSC) ALTERNATE END PINS (BOTH ENDS) DIMENSIONS (Inches) Minimum/Maximum 8–PIN (mm) 0.115/0.195 A2 (2.921/4.953) 0.014/0.022 B (0.356/0.559) B1 0.045/0.070 (1.143/1.778) C 0.008/0.014 (0.203/0.356) 0.355/0.400 D (9.017/10.160) E ...
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DIMENSIONS (Inches) Minimum/Maximum (mm Ø SP690T/S/R JAN 30-06 SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory PACKAGE: PLASTIC SMALL OUTLINE (SOIC) (NARROW ...
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... Model SP690TCN...................................................... +70 C......................................................8-Pin NSOIC SP690TCP...................................................... +70 C.........................................................8-Pin PDIP SP690TEN.....................................................- +85 C....................................................8-Pin NSOIC SP690TEP.....................................................- +85 C.......................................................8-Pin PDIP SP690SCN...................................................... +70 C......................................................8-Pin NSOIC SP690SCP...................................................... +70 C.........................................................8-Pin PDIP SP690SEN.....................................................- +85 C....................................................8-Pin NSOIC SP690SEP.....................................................- +85 C.......................................................8-Pin PDIP SP690RCN ...
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Corporation SIGNAL PROCESSING EXCELLENCE Sipex Corporation Headquarters and Sales Office 22 Linnell Circle Billerica, MA 01821 TEL: (978) 667-8700 FAX: (978) 670-9001 e-mail: sales@sipex.com Sales Office 233 South Hillview Drive Milpitas, CA 95035 TEL: (408) 934-7500 FAX: (408) 935-7600 Sipex ...