| 전자부품 데이터시트 검색엔진 |
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HT46R71D 데이터시트(PDF) 6 Page - Holtek Semiconductor Inc |
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HT46R71D 데이터시트(HTML) 6 Page - Holtek Semiconductor Inc |
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6 / 46 page ![]() A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS System Clock ¾ 2.2V~5.5V 400 ¾ 4000 kHz fINRC Internal RC OSC 3V ¾ ¾ 12 ¾ kHz 5V ¾ 15 ¾ kHz fTIMER Timer I/P Frequency (TMR0/TMR1) ¾ 2.2V~5.5V 0 ¾ 4000 kHz tWDTOSC Watchdog Oscillator Period 3V ¾ 45 90 180 ms 5V ¾ 32 65 130 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 tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms Note: tSYS= 1/fSYS HT46R71D Rev. 1.00 6 January 9, 2006 |
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