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M62023L Datasheet(PDF) 4 Page - Mitsubishi Electric Semiconductor |
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M62023L Datasheet(HTML) 4 Page - Mitsubishi Electric Semiconductor |
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4 / 4 page  MITSUBISHI <Dig./Ana.INTERFACE> SYSTEM RESET IC WITH SWITCH FOR MEMORY BACK-UP M62023L,P,FP 1997.5.30- rev ( / ) PRELIMINARY PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. TIMING CHART V1=VIN-VDROP V2=VIN-VEB(SW Tr.) V3=VBAT-VF VSH VSL ∆VS 3V tpd tpd VIN 0V VOUT V1 V2 V3 V2 V3 3V VIN(VSL) VOL(CS) VOL(RES) VOL(RES) VIN(VSL) VOH(RES) CS RES RES As the state shifts from a logic high to logic low, the output level becomes VOL(RES) The output level is VOL(CS) with a logic low The output level is VOH(RES) with a logic high In normal operation Input voltage : 3V Input voltage VOUT RES CS RES Output pin With SW Tr. set to ON, a voltage (VIN-VDROP) is output The output level is VOL(RES) with a logic low In failure (instantaneous drop) Input voltage : 3V 2V Each output varies if the input voltage drops to VSL or under SW Tr. is turned OFF. A voltage (VIN-VEB) is output by the diode between E and B of SW Tr. As the state shifts from a logic low to logic high, the output level becomes approximately equal to the input voltage Restoration from failure (instantaneous drop) Input voltage : 2V 3V If the input voltage goes higher than VSL by 100mV, each output varies after delay produced by the delay circuit SW Tr. is turned ON after delay and a voltage (VIN-VDROP) is output A logic high is maintained, and then shifts to a logic low In backup state Input voltage : 0V Backup voltage : 3V VBAT-VF The output is a logic high and the output level is VBAT-VF As the state shifts from a logic low to logic high, the output level becomes the voltage VIN-VEB A logic low is maintained, and then shifts to a logic high A logic high is maintained, and then shifts to a logic low 4 4 |
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Similar Description - M62023L |
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