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HT48C062 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc |
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HT48C062 Datasheet(HTML) 3 Page - Holtek Semiconductor Inc |
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3 / 31 page ![]() Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions IDD3 Operating Current (Crystal OSC, RC OSC) 5V No load, fSYS=8MHz ¾ 48 mA ISTB1 Standby Current (WDT Enabled) 3V No load, system HALT ¾¾ 5 mA 5V ¾¾ 10 mA ISTB2 Standby Current (WDT Disabled) 3V No load, system HALT ¾¾ 1 mA 5V ¾¾ 2 mA VIL1 Input Low Voltage for I/O Port ¾¾ 0 ¾ 0.3VDD V VIH1 Input High Voltage for I/O Port ¾¾ 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 VLVR Low Voltage Reset ¾ LVRenabled 2.7 3 3.3 V IOL I/O Port Sink Current 3V VOL=0.1VDD 48 ¾ mA 5V 10 20 ¾ mA IOH I/O Port Source Current 3V VOH=0.9VDD -2 -4 ¾ mA 5V -5 -10 ¾ mA RPH Pull-high Resistance 3V ¾ 20 60 100 k W 5V 10 30 50 k W A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS1 System Clock (Crystal OSC) ¾ 2.2V~5.5V 400 ¾ 4000 kHz ¾ 3.3V~5.5V 400 ¾ 8000 kHz fSYS2 System Clock (RC OSC) ¾ 2.2V~5.5V 400 ¾ 4000 kHz ¾ 3.3V~5.5V 400 ¾ 8000 kHz tWDTOSC Watchdog Oscillator Period 3V ¾ 22 45 90 ms 5V 16 32 64 ms tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tSST System Start-up Timer Period ¾ Power-up or wake-up from HALT ¾ 1024 ¾ tSYS tLVR Low Voltage Width to Reset ¾¾ 0.25 1 2 ms Note: tSYS=1/fSYS HT48R062/HT48C062 Rev. 1.11 3 October 30, 2006 |
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