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HT45R06 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc |
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HT45R06 Datasheet(HTML) 5 Page - Holtek Semiconductor Inc |
5 / 41 page 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 ¾ 455 ¾ kHz 2.4V~5.5V ¾ 1000 ¾ kHz 3.3V~5.5V ¾ 2000 ¾ kHz fSYS2 System Clock (RC OSC) ¾ 2.2V~5.5V ¾ 455 ¾ kHz 2.4V~5.5V ¾ 1000 ¾ kHz 3.3V~5.5V ¾ 2000 ¾ kHz fTIMER Timer I/P Frequency (TMR) ¾ 2.2V~5.5V 0 ¾ 455 kHz 2.4V~5.5V 0 ¾ 1000 kHz 3.3V~5.5V 0 ¾ 2000 kHz tWDTOSC Watchdog Oscillator Period 3V ¾ 45 90 180 ms 5V 32 65 130 ms tWDT1 Watchdog Time-out Period (RC) 3V ¾ 1.4 2.8~5.6 11 S 5V 1.1 2.3~4.7 9.4 S tWDT2 Watchdog Time-out Period (System Clock) ¾¾ 2 17 ¾ 2 18 tSYS tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tCSST System Start-up Timer Period ¾ Reset conditions occur, when fSYS= 455kHz and RES connect VDD ¾ 2.5 5 ms tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms tAD A/D Clock Period ¾¾ 1 ¾¾ ms tADC A/D Conversion Time ¾¾ ¾ 76 ¾ tAD tADCS A/D Sampling Time ¾¾ ¾ 32 ¾ tAD HT45R06 Rev. 1.00 5 May 24, 2005 |
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