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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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HT46R92 Datenblatt(PDF) 6 Page - Holtek Semiconductor Inc |
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HT46R92 Datenblatt(HTML) 6 Page - Holtek Semiconductor Inc |
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6 / 61 page  A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS1 System Clock (RC OSC) ¾ 2.2V~5.5V 400 ¾ 4000 kHz ¾ 3.3V~5.5V 400 ¾ 8000 kHz fSYS2 System Clock (RTC OSC) ¾ 2.2V~5.5V ¾ 32768 ¾ 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 fFSP1 fSP Time-out Period Clock Source form WDT 3V With prescaler (fS/4096) 184 369 737 ms 5V 131 266 532 ms tFSP2 fSP Time-out Period Clock Source form RTC ¾ With prescaler (fS/4096) ¾ 125 ¾ ms 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 tLVR Low Voltage Reset Time ¾¾ 0.25 1 2 ms tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms tAD A/D Clock Period ¾¾ 0.5 ¾¾ ms tADC A/D Conversion Time ¾¾ ¾ 16 ¾ tAD Note: *tSYS=1/fSYS1 or 1/fSYS2 HT46R92 Rev. 1.10 6 November 5, 2008 |
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