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HT48E30 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT48E30 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 43 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions ISTB1 Standby Current (WDT Enabled) 3V No load*, system HALT ¾¾ 10 mA 5V ¾¾ 15 mA ISTB2 Standby Current (WDT Disabled) 3V No load*, system HALT ¾¾ 3 mA 5V ¾¾ 5 mA VIL1 Input Low Voltage for I/O Ports ¾¾ 0 ¾ 0.3VDD V VIH1 Input High Voltage for I/O Ports 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 Voltage ¾ LVR enabled 2.7 3.0 3.3 V IOL I/O Port Sink Current 3V VOL=0.1VDD 48 ¾ mA 5V VOL=0.1VDD 10 20 ¾ mA IOH I/O Port Source Current 3V VOH=0.9VDD -2 -4 ¾ mA 5V VOH=0.9VDD -5 -10 ¾ mA RPH Pull-high Resistance 3V ¾ 20 60 100 k W 5V ¾ 10 30 50 k W Note: ²*² All tests are conducted with the I/O pins setup as outputs and set to a low value. 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 fTIMER Timer I/P Frequency (TMR) ¾ 2.2V~5.5V 0 ¾ 4000 kHz ¾ 3.3V~5.5V 0 ¾ 8000 kHz tWDTOSC Watchdog Oscillator Period 3V ¾ 45 90 180 ms 5V ¾ 32 65 130 ms tWDT1 Watchdog Time-out Period (WDT OSC) 3V Without WDT prescaler 11 23 46 ms 5V 8 17 33 ms tWDT2 Watchdog Time-out Period (System Clock) ¾ Without WDT prescaler ¾ 1024 ¾ tSYS tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tSST System Start-up Timer Period ¾ Wake-up from HALT ¾ 1024 ¾ tSYS tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms HT48E30 Rev. 1.20 4 March 3, 2006 |
Similar Part No. - HT48E30 |
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Similar Description - HT48E30 |
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