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MC141800A bảng dữ liệu(PDF) 7 Page - Motorola, Inc |
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MC141800A bảng dữ liệu(HTML) 7 Page - Motorola, Inc |
7 / 34 page MC141800A 3–263 MOTOROLA Figure 1. Internal Oscillator Frequency Relationship with External Resistor Value AC ELECTRICAL CHARACTERISTICS (TA=25˚C, Voltage referenced to VSS, AVDD=DVDD=3V) Symbol Parameter Test Condition Min Typ Max Unit FOSC Oscillation Frequency of Display timing generator 60Hz Frame Frequency Either External Clock Input or Internal Oscillator Enabled 45 55 60 KHz FFRM Frame Frequency Graphic Display Mode, Normal Frequency Mode, 65 - 50 MUX Graphic Display Mode, Half Frequency Mode, 65 - 50 MUX Graphic Display Mode, Normal Frequency Mode, 49 - 34 MUX Graphic Display Mode, Half Frequency Mode, 49 - 34 MUX Graphic Display Mode, Normal Frequency Mode, 33 - 2 MUX Graphic Display Mode, Half Frequency Mode, 33 -2 MUX 6-Phase Low Power Icon Mode, Normal Frequency Mode 6-Phase Low Power Icon Mode, Half Frequency Mode 4-Phase Low Power Icon Mode, Normal Frequency Mode 4-Phase Low Power Icon Mode, Half Frequency Mode - - - - - - - - - - - - - - - - - - - - Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz OSC Internal Oscillation Frequency with different value of feedback resistor Internal Oscillator Enabled, VDD within operation range See Figure 1 for the relationship 100k 500k 1.0M 1.5M 2.0M Resistor Value between OSC1 and OSC2 ( Ω) Oscillation Frequency (Hz) 350k 250k 200k 150k 100k 50k 400k FOSC 15 * MUX FOSC 960 FOSC 1920 FOSC 1024 FOSC 2048 FOSC 30 * MUX FOSC 23 * MUX FOSC 46 * MUX FOSC 30 * MUX FOSC 60 * MUX |
Số phần tương tự - MC141800A |
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Mô tả tương tự - MC141800A |
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