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CFA631 Arkusz danych(PDF) 18 Page - Crystalfontz America, Inc. |
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CFA631 Arkusz danych(HTML) 18 Page - Crystalfontz America, Inc. |
18 / 81 page Crystalfontz Data Sheet Release 2014-11-17 www.crystalfontz.com CFA631 Intelligent Display Modules Page 18 DUTY AND BIAS 1The duty cycle, also known as duty ratio or multiplex rate, is the fraction of total frame time that each row of the display is addressed. 2The drive bias, also known as voltage margin, is related to the number of voltage levels used when driving the display. Bias is defined as 1/(number of voltage levels-1). The more segments driven by each driver(1), the higher number of voltage levels are required. There is a direct relationship between the bias and the duty. ABSOLUTE MAXIMUM RATINGS DRIVING METHOD SPECIFICATION Duty1 1/32 Bias2 6.7 ABSOLUTE MAXIMUM RATINGS Operating Temperature TOP 0°C +50°C Storage Temperature TST -10°C +60°C Humidity Range (Noncondensing) RH 10% 90% Supply Voltage for Logic VDD 0v +5.25v Notes: These are stress ratings only. Extended exposure to the absolute maximum ratings listed above may affect device reliability or cause permanent damage. Functional operation of the display module at these conditions beyond those listed under Recommended DC Characteristics (Pg. 19) is not implied. Changes in temperature can result in changes in contrast. |
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