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DESCRIPTION The LH168A is a 384-output TFT-LCD source driver IC which can simultaneously display 262 144 colors in 64 gray scales. FEATURES • Number of LCD drive outputs : 384 • Built-in 6-bit digital input DAC • 2-port input for each circuit of data inputs R, G and B, and it is possible to sample and hold display data of two pixels at the same time • Possible to display 262 144 colors in 64 gray scales with reference voltage input of 10 gray scales : This reference voltage input corresponds to ‹ correction and intermediate reference voltage input can be abbreviated • Cascade connection • Sampling sequence : Output shift direction can be selected XO1, YO1, ZO1/XO128, YO128, ZO128 or ZO128, YO128, XO128/ZO1, YO1, XO1 • Shift clock frequency : 55 MHz (MAX.) • Supply voltages — VCC (for logic system) : +2.7 to +3.6 V — VLS (for LCD drive system) : +3.0 to +5.5 V • Package : 444-pin TCP (Tape Carrier Package)
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