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MC141803T bảng dữ liệu(PDF) 6 Page - Motorola, Inc |
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MC141803T bảng dữ liệu(HTML) 6 Page - Motorola, Inc |
6 / 24 page MOTOROLA 3–318 MC141803 ELECTRICAL CHARACTERISTICS (Voltage Referenced to VSS, AVDD=DVDD=2.4 to 3.5V, TA=25˚C) Total variation of VR ∆V RT is affected by the following factors : Process variation of Regulator ∆V R External VDD Variation contributed to Regulator ∆VVDD External resistor pair Ra/Rf contributed to Regulator ∆V res where Assume external VDD variation is ±6% at 3.15V and 1% variation resistor used at application TC Level ∆V VDD (%) ∆V R (%) ∆V res (%) ∆V RT (%) Reference Generator TC0 TC1 TC2 TC3 ±6.0 ±4.0 ±2.5 ±1.4 ±2.5 ±1.414 ±6.652 ±4.924 ±3.805 ±3.195 V RT ∆ V ∆ R () 2 V V DD ∆ () 2 V res ∆ () 2 ++ = AC ELECTRICAL CHARACTERISTICS (TA=25˚C, Voltage referenced to VSS, VDD=2.4 to 3.15V) Set Clock Frequency to Slow : FFRM1=FOSC1/576 Set Clock Frequency to Normal : FFRM2=FOSC2/768 Symbol Parameter Test Condition Min Typ Max Unit FOSC1 FANN1 FFRM1 FCON1 Oscillation Frequency. Oscillation Frequency of Display Timing Generator with 60Hz Frame Frequency. Annunciator Display (50% duty cycle) from Pins Annun0-3 and BP LCD Driving Signal Frame Frequency. LCD Driving Signal Frame Frequency. Set Clock Frequency to Slow Either External Clock Input or Internal Oscillator Enable, Either 1/32 or 1/16 Duty Cycle, Graphic Display Mode. Either External Clock Input or Internal Oscillator Enable, 1/33 Duty Cycle, Graphic Display Mode. - - - - 38.4 18.75 66 64 - - - - kHz Hz Hz Hz Fosc2 FANN2 FFRM2 FCON2 Oscillation Freq. Oscillation Frequency of Display Timing Generator with 60Hz Frame Frequency. Annunciator Display Frequency (with 50% duty cycle) from Pins Annun0-3 and BP LCD driving Signal Frame Frequency. LCD driving Signal Frame Frequency. Set Clock Frequency to Normal Either External Clock Input or Internal Oscillator Enable, Either 1/32 or 1/16 Duty Cycle. Either External Clock Input or Internal Oscillator Enable, 1/33 Duty Cycle. - - - - 50 24.4 65 63 - - - - kHz Hz Hz Hz OSC Internal Oscillation Frequency Internal OSC Oscillation Frequency with Different Value of Feedback Resistor. Internal Oscillator Enabled. VDD within Operation Range. See Figure 1 for the relationship |
Số phần tương tự - MC141803T |
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Mô tả tương tự - MC141803T |
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