參數(shù)資料
型號： HD667B66R
廠商： Hitachi,Ltd.
英文描述： 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors
中文描述： 132 × 176點圖形LCD控制器/驅(qū)動器的65K色
文件頁數(shù)： 90/97頁
文件大小： 681K
代理商： HD667B66R
HD66766R Rev. 1.0-1 / September 2002
90
(3) Polarity inversion circuit – loading characteristic
Measureing condition
Ta = 25C, VCC = 3.0 [V], Oscillation frequency = 250 [kHz]
Vci1 step-up magnification = 0.92, Step-up circuit 1 step-up magnification two times
32 divided frequency, VREFM = 1.1 x VREFL, CT = 0.00R 1/12 Vias
Step-up circuit 2: Five times
Figure 76 Polarity inversion circuit - Load characteristic (AP=10 amplifier constant current: medium)
Figure 77 Polarity inversion circuit - Load characteristic (AP=11 amplifier constant current: large)
32 divided frequency
64 divided frequency
96 divided frequency
128 divided frequency
32 divided frequency
64 divided frequency
96 divided frequency
128 divided frequency
0 10 20 30 40 50
Load voltage [uA]
Figure 75 Polarity inversion circuit – Load characteristic (AP=01 amplifier constant current: small)
V
21.5
21.3
21.1
20.9
20.7
20.5
32 divided frequency
64 divided frequency
96 divided frequency
128 divided frequency
0 10 20 30 40 50
Load voltage [uA]
V
21.5
21.3
21.1
20.9
20.7
20.5
0 10 20 30 40 50
Load voltage [uA]
V
21.5
21.3
21.1
20.9
20.7
20.5
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