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HT82J97E Datasheet(PDF) 3 Page - Holtek Semiconductor Inc |
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HT82J97E Datasheet(HTML) 3 Page - Holtek Semiconductor Inc |
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3 / 46 page  Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+6.0V Storage Temperature ............................ -50°Cto125°C Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature...............................0 °Cto70°C Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil- ity. D.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾¾ 4 ¾ 5.5 V IDD Operating Current (6MHz Crystal) 5V No load, fSYS=6MHz ¾ 79 mA ISTB Standby Current 5V No load, system HALT ¾ 300 500 mA VIL1 Input Low Voltage for I/O Ports 5V ¾ 0 ¾ 0.8 V VIH1 Input High Voltage for I/O Ports 5V ¾ 2 ¾ 5V VIL2 Input Low Voltage (RES)5V ¾ 0 ¾ 0.4VDD V VIH2 Input High Voltage (RES)5V ¾ 0.9VDD ¾ VDD V IOL Output Sink Current for Other Ports PA0~PA7, PB0~PB7 and PC0~PC3 5V VOL=0.4V 24 ¾ mA IOH Output Port Source Current 5V VOL=3.4V -2.5 -4 ¾ mA RPD Pull-down Resistance for PA0~PA3, PB2 and PB3 5V ¾ 10 30 50 k W RPH1 Pull-high Resistance for CLK and DATA ¾¾ 2 4.7 6 k W RPH2 Pull-high Resistance for PA0~PA7, PB0~PB7 and PC0~PC3 ¾¾ 30 50 70 k W VLVR Low Voltage Reset 5V ¾ 2.4 2.7 3 V A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS System Clock (Crystal OSC) 5V ¾ 6 ¾ 12 MHz fRCSYS RC Clock with 8-bit Prescaler Register 5V ¾ 032 ¾ kHz tWDT Watchdog Time-out Period (System Clock) ¾ Without WDT prescaler 1024 ¾¾ tRCSYS tRF USBD+, USBD- Rising & falling Time ¾¾ 75 ¾ 300 ns tSST System Start-up Timer Period ¾ Wake-up from HALT ¾ 1024 ¾ tSYS tOSC Crystal Setup ¾¾ ¾ 510 ms fPWM PWM Cycle Frequency ¾ 6MHz or 12MHz 23 ¾ 2300 Hz Note: Power-on period=tWDT+tSST+tOSC WDT Time-out in normal mode=1/fRCSYS ´256´WDTS+tWDT WDT Time-out in HALT mode=1/fRCSYS ´256´WDTS+tSST+tOSC HT82J97E Rev. 1.30 3 May 10, 2004 |
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