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HT47R20A-1 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc |
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HT47R20A-1 Datasheet(HTML) 5 Page - Holtek Semiconductor Inc |
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5 / 43 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions ISTB5 Standby Current (*fS=32.768kHz OSC) 3V No load, system HALT, LCD on at HALT, R type, 1/3 bias ¾ 13 25 mA 5V ¾ 28 50 mA ISTB6 Standby Current (*fS=WDT RC OSC) 3V No load, system HALT, LCD on at HALT, R type, 1/2 bias ¾ 14 25 mA 5V ¾ 26 50 mA ISTB7 Standby Current (*fS=WDT RC OSC) 3V No load, system HALT, LCD on at HALT, R type, 1/3 bias ¾ 10 20 mA 5V ¾ 19 40 mA VIL1 Input Low Voltage for I/O Ports, TMR and INT ¾¾ 0 ¾ 0.3VDD V VIH1 Input High Voltage for I/O Ports, TMR and INT 3V ¾ 0.7VDD ¾ VDD V 5V 0.7VDD ¾ VDD V VIL2 Input Low Voltage (RES) ¾¾ 0 ¾ 0.4VDD V VIH2 Input High Voltage (RES) ¾¾ 0.9VDD ¾ VDD V IOL1 I/O Port Sink Current 3V VOL=0.1VDD 612 ¾ mA 5V 10 25 ¾ mA IOH1 I/O Port Source Current 3V VOH=0.9VDD -2 -4 ¾ mA 5V -5 -8 ¾ mA IOL2 LCD Common and Segment Current 3V VOL=0.1VDD 210 420 ¾mA 5V 350 700 ¾mA IOH2 LCD Common and Segment Current 3V VOH=0.9VDD -80 -160 ¾mA 5V -180 -360 ¾mA IOL3 RC Oscillation Output Sink Current 3V VOL=0.3V 510 ¾ mA IOH3 RC Oscillation Output Source Current 3V VOH=2.7V -5 -10 ¾ mA RPH Pull-high Resistance of I/O Ports and INT0, INT1 3V ¾ 20 60 100 k W 5V 10 30 50 k W VLVR Low Voltage Reset ¾ ¾ 2.5 3.2 3.6 V VLVD Low Voltage Detector Voltage ¾ 3.0 3.3 3.6 V Note: ²*² tSYS= 1/fSYS ²**² for power on protection HT47R20A-1/HT47C20-1 Rev. 1.70 5 June 14, 2005 |
Similar Part No. - HT47R20A-1 |
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Similar Description - HT47R20A-1 |
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