SP703CN Sipex, SP703CN Datasheet
SP703CN
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SP703CN Summary of contents
Page 1
... V CC GND 3 PFI 4 PINOUT SP703/704DS/07 with Battery Switch-Over = BATT BATT CC 7 RESET PFI 5 PFO INTERNAL BLOCK DIAGRAM SP703/704 Low Power Microprocessor Supervisory 1 SP703/SP704 BATTERY SWITCHOVER V OUT CIRCUITRY RESET RESET GENERATOR 1.25V PFO 1.25V © Copyright 2000 Sipex Corporation ...
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... © Copyright 2000 Sipex Corporation ...
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... © Copyright 2000 Sipex Corporation ...
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... CIRCUITRY RESET RESET GENERATOR 1.25V 1.25V — Backup-Battery Input. When BATT falls below the reset threshold OUT BATT . When will be recon- BATT OUT . The 40mV hysteresis pre © Copyright 2000 Sipex Corporation V OUT PFO BATT is rises falls ...
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... NO LOAD ON PFO 1.252 1.250 1.248 1.246 -60 - 120 150 Temperature Deg. C Reset Threshold vs. Temperature 4.70 V =0V 4.69 SP703 BATT Power Down 4.68 4.67 4.66 4.65 4.64 4.63 4.62 4.61 4.60 -60 - 120 150 Temperature Deg. C Battery Current vs. V Voltage CC IE+2 IE+1 V =2.8V IE+0 BATT IE-1 IE-2 IE-3 IE-4 IE-5 IE-6 IE-7 IE-8 .0000 5.000 V (0.5V/div) CC © Copyright 2000 Sipex Corporation ...
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... BATT GND Figure 3B. Circuit for the RESET Output Voltage vs. Supply Voltage SP703/704 Low Power Microprocessor Supervisory 6 =4.5V =0V 10 IOUT (mA Vs. Output Current OUT BATT RESET RESET 330pF © Copyright 2000 Sipex Corporation 100 ...
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... Figure 4B. Circuit for the RESET Response Time BATT PFI +1.25V Figure 5B. Circuit for the Power-Fail Comparator Response Time (FALL) SP703/704 Low Power Microprocessor Supervisory + 10K RESET 30pF GND +5V 1K PFO 30pF © Copyright 2000 Sipex Corporation ...
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... OUT 0V +5V PFO PFI = 3.0V BATT Figure 7. Timing Diagram SP703/704DS/ BATT PFI +1.25V Figure 6B. Circuit for the Power-Fail Comparator Response Time (RISE) 3.0V SP703/704 Low Power Microprocessor Supervisory PFO 1K 30pF t RS © Copyright 2000 Sipex Corporation ...
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... V below 1V. RESET is also triggered by a manual reset Unregulated PFI BATT 3.6V Lithium Battery SP703/704 Low Power Microprocessor Supervisory 9 reaches 1V, RESET is CC rises, CC exceeds the CC dips below the reset threshold, CC drops CC © Copyright 2000 Sipex Corporation ...
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... V . BATT CC , regardless of the voltage OUT Figure 9. During this time, and V will BATT OUT BATT OUT BATT . OUT , backup mode is OUT the backup mode the BATT will be typically BATT drops to more than 1V below CC © Copyright 2000 Sipex Corporation , ...
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... GND , current flows OUT until the voltage at V BATT BATT . CC and V start from 0.5V CC BATT discharges BATT until V reaches the reset CC BATT + CONNECT TO V OUT V STATIC RAM BATT SP704 CONNECT RESET TO P GND © Copyright 2000 Sipex Corporation BATT and is ...
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... A OUT eliminates any voltage CC . stays above the CC is close to its trip point adds the hysteresis. TRIP The current 1 2 and R should be at least should be larger 3 © Copyright 2000 Sipex Corporation OUT CC 1 falls ...
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... P reset I/ Figure 16. Buffer the RESET output to other system components. SP703/704DS/07 Buffered RESET connects to System Components RESET GND TRIP R 2 Figure 16. Interfacing to Microprocessors with Bidirectional RESET I/O V- SP703/704 Low Power Microprocessor Supervisory 13 + RESET 4.7K GND © Copyright 2000 Sipex Corporation ...
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... D (9.017/10.160) E 0.300/0.325 (7.620/8.255) E1 0.240/0.280 (6.096/7.112) 0.115/0.150 L (2.921/3.810) 0°/ 15° Ø (0°/15°) SP703/704 Low Power Microprocessor Supervisory 14 DUAL–IN–LINE (NARROW) C Ø 0.300 BSC A (7.620 BSC) © Copyright 2000 Sipex Corporation ...
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... B 0.014/0.019 (0.35/0.49) D 0.189/0.197 (4.80/5.00) E 0.150/0.157 (3.802/3.988) e 0.050 BSC (1.270 BSC) H 0.228/0.244 (5.801/6.198) h 0.010/0.020 (0.254/0.498) L 0.016/0.050 (0.406/1.270) Ø 0°/8° (0°/8°) SP703/704 Low Power Microprocessor Supervisory 15 Ø L © Copyright 2000 Sipex Corporation ...
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... Model SP703CN.......................................................... +70 C....................................................8-Pin NSOIC SP703CP........................................................ +70 C.........................................................8-Pin PDIP SP703EN......................................................- +85 C.....................................................8-Pin NSOIC SP703EP.......................................................- +85 C....................................................... 8-Pin PDIP SP704CN........................................................ +70 C......................................................8-Pin NSOIC SP704CP........................................................ +70 C......................................................... 8-Pin PDIP SP704EN......................................................- +85 C................................................... ..8-Pin NSOIC SP704EP.......................................................- +85 C....................................................... 8-Pin PDIP Please consult the factory for pricing and availability on a Tape-On-Reel option ...