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HT45R4U Datasheet(PDF) 13 Page - Holtek Semiconductor Inc |
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HT45R4U Datasheet(HTML) 13 Page - Holtek Semiconductor Inc |
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13 / 105 page  Rev. 1.10 1� �a��� 1�� �01� Rev. 1.10 13 �a��� 1�� �01� HT45R4U TinyPowerTM A/D Type e-Banking ASSP OTP MCU with LCD LCD D.C. Characteristics Ta= 25˚C Sym. Parameter VDD Condition Min. Typ. Max. Unit ISTB Standby Cu��ent (Idle) (fSYS� fWDT off� *fs= fSUB = %3�768Hz) 3V No load� system HALT� LCD on� WDT off� C type� VPLCD= VDD� 1/3 Bias — 1.3 3.0 μA IOL_LCD LCD Common and Segment Sink Cu��ent 3V VOL=0.1VPLCD �10 4�0 — μA IOH_LCD LCD Common and Segment Sou��e Cu��ent 3V VOH=0.9VPLCD -80 -160 — μA Power-on Reset Characteristics Ta= 25˚C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VPOR VDD Sta�t Voltage to Ensu�e Powe�-on Reset — — — — 100 mV RRVDD VDD �aising �ate to Ensu�e Powe�-on Reset — — 0.03� — — V/ms tPOR �inimum Time fo� VDD Stays at VPOR to Ensu�e Powe�-on Reset — — 1 — — ms Ti me V DD V PO R RR VD D t PO R |
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