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HT48R05A-1 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT48R05A-1 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 44 page  D.C. Characteristics Ta=25°C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD1 Operating Voltage ¾ fSYS=4MHz 3.3 ¾ 5.5 V VDD2 Operating Voltage ¾ fSYS=8MHz 4.5 ¾ 5.5 V IDD1 Operating Current (Crystal OSC) 3.3V No load, fSYS=4MHz ¾ 12 mA 5V ¾ 24 mA IDD2 Operating Current (RC OSC) 3.3V No load, fSYS=4MHz ¾ 12 mA 5V ¾ 24 mA IDD3 Operating Current (Crystal OSC) 5V No load, fSYS=8MHz ¾ 510 mA ISTB1 Standby Current (WDT Enabled) 3.3V No load, system Halt ¾¾ 5 mA 5V ¾¾ 10 mA ISTB2 Standby Current (WDT Disabled) 3.3V No load, system Halt ¾¾ 1 mA 5V ¾¾ 2 mA VIL1 Input Low Voltage for I/O ports, TMR and INT 3.3V ¾ 0 ¾ 0.2VDD V 5V ¾ 0 ¾ 0.2VDD V VIH1 Input High Voltage for I/O ports, TMR and INT 3.3V ¾ 0.8VDD ¾ VDD V 5V ¾ 0.8VDD ¾ VDD V VIL2 Input Low Voltage (RES) 3.3V ¾ 0 ¾ 0.4VDD V 5V ¾ 0 ¾ 0.4VDD V VIH2 Input High Voltage (RES) 3.3V ¾ 0.9VDD ¾ VDD V 5V ¾ 0.9VDD ¾ VDD V IOL I/O Port Sink Current 3.3V VOL=0.1VDD 48 ¾ mA 5V VOL=0.1VDD 10 20 ¾ mA IOH I/O Port Source Current 3.3V VOH=0.9VDD -2 -4 ¾ mA 5V VOH=0.9VDD -5 -10 ¾ mA RPH Pull-high Resistance 3.3V ¾ 40 60 80 kW 5V ¾ 10 30 50 kW VLVR Low Voltage Reset ¾¾ 3.1 3.2 3.3 V HT48R05A-1 4 February 25, 2000 Preliminary |
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