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LCX029CST Folha de dados(PDF) 6 Page - Sony Corporation |
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LCX029CST Folha de dados(HTML) 6 Page - Sony Corporation |
6 / 27 page – 6 – LCX029CST Input Signals 1. Input signal voltage conditions (VSS = 0V) Item H shift register input voltage HST, HCK1, HCK2, RGT (Low) (High) (Low) (High) VHIL VHIH VVIL VVIH VVC Vsig Vcom VpsigB VpsigG –0.5 4.5 –0.5 4.5 7.4 VVC – 5.0 VVC – 0.5 VVC ± 4.9 VVC ± 1.8 0.0 5.0 0.0 5.0 7.5 7.5 VVC – 0.4 VVC ± 5.0 VVC ± 1.9 0.4 5.5 0.4 5.5 7.6 VVC + 5.0 VVC – 0.3 VVC ± 5.1 VVC ± 2.0 V V V V V V V V V shift register input voltage HB, VB, BLK, VST, VCK, PCG, ENB, DWN Video signal center voltage Video signal input range∗1 Common voltage of panel∗2 Uniformity improvement signal input voltage (PSIG)∗3 Symbol Min. Typ. Max. Unit ∗1 Input video signal shall be symmetrical to VVC. ∗2 The typical value of the common pad voltage may lower its suitable voltage according to the set construction to use. In this case, use the voltage of which has maximum contrast as typical value. When the typical value is lowered, the maximum and minimum values may lower. ∗3 Input a uniformity improvement signal PSIG in the same polarity with video signals VSIG1 to VSIG12 and which is symmetrical to VVC. PSIG wave form is 2 steps like below, in the upper chart, upper shows signal level of the 1st step, lower shows signal level of the 2nd step. Also, the rising and falling of PSIG are synchronized with the rising of PCG pulse, and the rise time trPSIG and fall time tfPSIG are suppressed within 450ns (as shown in a diagram below). The optimum input voltage of PSIG may be changed according as drive conditions of the drive side. Level Conversion Circuit The LCX029CST has a built-in level conversion circuit in the clock input unit on the panel. The input signal level increases to HVDD or VVDD. The VCC of external ICs are applicable to 5 ± 0.5V. trPSIG tfPSIG VVC PSIG PCG 90% 10% PRG∗4 PsigG PsigB Input waveform of uniformity improvement signal PSIG ∗4 PRG shows the time of the 1st step of PSIG signal, and it is not input to the panel. |
Nº de peça semelhante - LCX029CST |
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Descrição semelhante - LCX029CST |
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