sp691a Exar Corporation, sp691a Datasheet
sp691a
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... Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation SP691A/693A/800L/800M with Battery Switch-Over V BATT V Vcc GND BATT ON LOWLINE OSC OSC Now Available in Lead Free Packaging ...
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... Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation ABSOLUTE MAXIMUM RATINGS Enhanced ESD Specifications........................+4kV Human Body Model Power Dissipation Per Package 16-pin PDIP (derate 14.3mW/ 16-pin Narrow SOIC (derate 13.6mW/ 16-pin Wide SOIC (derate 11 ...
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... Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation ELECTRICAL CHARACTERISTICS = +4.5V to +5.5V for the SP693A/800M +2.8V, and T BATT ...
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... Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation ELECTRICAL CHARACTERISTICS = +4.5V to +5.5V for the SP693A/800M BATT ...
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... C. AMB NOTE 1: Either can go to 0V, if the other is greater than 2.0V. CC BATT NOTE 2: The supply current drawn by the SP691A/693A/800L/800M from the battery (excluding I goes to 5µA when (V - 1V) < V < V BATT CC NOTE 3: "+" = battery-discharging current, "-" = battery-charging current. NOTE 4: Although presented as typical values, the number of clock cycles for the reset and watchdog timeout periods are fixed and do not vary with process or temperature ...
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... Temperature ( Figure 9. Reset Delay vs. Temperature Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation TYPICAL PERFORMANCE CHARACTERISTICS 1.256 1.252 1.248 1.244 1.240 1.236 90 120 150 -60 Figure 6. PFI Threshold vs. Temperature ...
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... Output Current (Normal CC OUT Operating Mode) V Reset CC Threshold RESET LOWLINE CE OUT Figure 15 LOWLINE and CE CC OUT Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation TYPICAL PERFORMANCE CHARACTERISTICS 2.8V 5 BATT 0 10000 0 Figure 12 ...
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... This output pin returns to its HIGH output as soon as V rises above the reset threshold voltage. Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation PINOUT Pin 7 — OSC When OSC HIGH, a 10µA pull-up connects from V ...
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... SP691A/800L 4.40V for the SP693A/800M Figure 16. Internal Block Diagram of the SP691A/693A/800L/800M Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation Pin 15 — RESET — Active LOW Reset Output. This output pin goes LOW whenever falls below the reset threshold ...
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... The operational features and benefits of this series are described in more detail below. Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation Unregulated PFI R ...
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... IN CE OUT RESET RESET Figure 19. Reset and Chip-Enable Timing Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation RESET CC Corporation Figure 18. External Pull-down Resistor Ensures RESET is Valid with V 10kΩ and the output saturation voltage is below 0.4V while sinking 40µ ...
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... The watchdog function is disabled and WDO is a logic high when V CC reset threshold or when WDI is an open circuit. In watchdog mode transition occurs at WDI during the watchdog-timeout period, Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation ...
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... CMOS RAM. The SP691A/ 693A/800L/800M devices use a series transmission gate from Refer to Figure 16. IN OUT Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation ...
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... V (power failing), and 60µs from (power being restored). Connect this OH input to ground if PFI is not used. Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation +2.0V to +5.5V C LOAD Figure 23. Low-Battery Indicator Circuit Power-Fail Output The Power-Fail Output (PFO) goes low when OUT PFI goes below 1 ...
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... V . BATT V V BATT SW1 0.1µF V OUT Figure 24. V and Switch CC BATT OUT Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation < ...
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... Typical supply current CC from V is 35µA, while only leakage CC currents flow from the battery. Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation 2) Battery-backup mode where V within 0.7V below V powered from V current from the battery is typically less than 5µA. 2 ...
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... R1 or R2. The current through R1 and R2 should be at least 1µA to ensure that the 25nA (max) PFI input current does not shift the trip point. R3 should Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation +5V is 1kΩ ...
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... The graph shows the maximum pulse width a negative-going V transient may typically have without causing a reset pulse to be issued. Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation 160 R 1 120 80 ...
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... The V fall rate decreases with time falls exponentially, which more than CC satisfies the maximum fall-time requirement. Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation START SET WDI LOW SUBROUTINE OR PROGRAM LOOP SET WDI ...
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... Pin NSOIC JEDEC MO-012 (AC) Variation MIN SYMBOL A 1.35 A1 0.1 A2 1.25 b 0. ø 0º ø1 5º Note: Dimensions in (mm) Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation E1 E E1/2 Seating Plane NOM MAX - 1.75 - 0.25 - 1. 0.25 9.90 BSC B 6.00 BSC 3.90 BSC 1.27 BSC - 1 ...
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... BSC 10.30 DSC E E1 7.50 BSC e 1.27 BSC L 0 1.04 REF L2 0.25 BSC ø 0º - ø1 5º - Note: Dimensions in (mm) Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation Ø E1/2 Seating Plane Ø1 VIEW MAX 2.65 0.3 2.55 0.51 0. 1.27 A1 8º 15º ...
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... D 0.735 0.75 D1 0.005 - E 0.3 0.31 E1 0.24 0.25 e .100 BSC eA .300 BSC 0.115 0.13 Note: Dimensions in (mm) Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation INDEX AREA MAX 0.21 - 0.195 0.022 0.07 0.045 0.014 0.755 - 0.325 0.28 C 0.43 0.15 22 PACKAGE: 16 PIN PDIP ...
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... Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation ORDERING INFORMATION Temperature Range ...
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... Sipex Corporation Headquarters and Sales Office 233 South Hillview Drive Milpitas, CA 95035 TEL: (408) 934-7500 FAX: (408) 935-7600 Date: 4/18/05 SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation ORDERING INFORMATION Temperature Range + ............................................ 16-Pin PDIP O ...