PDF LH168R Data sheet ( Hoja de datos )

Número de pieza	LH168R
Descripción	384-output TFT-LCD Source Driver IC
Fabricantes	Sharp Electrionic Components
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No Preview Available ! LH168R LH168R DESCRIPTION The LH168R is a 384-output TFT-LCD source driver IC which can simultaneously display 16.7 million colors in 256 gray scales. FEATURES • Number of LCD drive outputs : 384 • Built-in 8-bit digital input DAC • Dot-inversion drive : Outputs the inverted gray scale voltages between LCD drive pins next to each other • 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 16.7 million colors in 256 gray scales with reference voltage input of 18 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 : 65 MHz (MAX.) • Supply voltages – VCC (for logic system) : +2.5 to +3.6 V – VLS (for LCD drive) : +13 V (MAX.) • Package : 464-pin TCP (Tape Carrier Package) 384-output TFT-LCD Source Driver IC PIN CONNECTIONS 464-PIN TCP XO1 1 YO1 2 ZO1 3 TOP VIEW 464 GND 463 VLS 462 GND 461 XB7 454 XB0 453 XA7 446 XA0 445 YA7 438 YA0 437 SPOI 436 VH0 435 VH32 434 VH64 433 VH96 432 VH128 431 VH160 430 VH192 429 VH224 428 VH256 427 VL256 426 VL224 425 VL192 424 VL160 423 VL128 422 VL96 421 VL64 420 VL32 419 VL0 418 POLB 417 POLA 416 CK 415 SPIO 414 LS 413 REV 412 YB7 405 YB0 404 ZB7 397 ZB0 396 ZA7 389 ZA0 388 LBR 387 VCC 386 VLS 385 GND XO128 382 YO128 383 ZO128 384 NOTE : Doesn't prescribe TCP outline. In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. 1 1 page LH168R Pch Tr VCC I O Nch Tr GND VCC Output Signal Output Control Signal GND Fig. 3 Input/Output Circuit To Internal Circuit ¿Applicable pins¡ SPIO, SPOI VLS Operational Amplifier + O – GND From Internal Circuit ¿Applicable pins¡ XO1-XO128, YO1-YO128, ZO1-ZO128 Fig. 4 Output Circuit 5 5 Page ‹ (Gamma) Correction Value Between reference voltage input pins VH0 and VH256, 256 resistors are connected in series. And between reference voltage input pins VL0 and VL256, 256 resistors are connected in series. No resistor is connected between reference voltage input pins VH256 and VL256. LH168R The ‹ correction curve is a broken line connected between intermediate voltage inputs (VH32, VH64, VH96, VH128, VH160, VH192, VH224, VL32, VL64, VL96, VL128, VL160, VL192 and VL224). Each ‹ correction value between the intermediate voltage inputs is divided into 32 parts by resistor. VH0 VH32 VH64 VH96 VH128 VH160 VH192 VH224 VH256 VL256 VL224 VL192 VL160 VL128 VL96 VL64 VL32 VL0 LH168R R0 32 equal parts R1 32 equal parts R2 32 equal parts R3 32 equal parts R4 32 equal parts R5 32 equal parts R6 32 equal parts R70 8 equal parts R71 8 equal parts R72 8 equal parts R73 8 parts R83 8 parts R82 8 equal parts R81 8 equal parts R80 8 equal parts R9 32 equal parts R10 32 equal parts R11 32 equal parts R12 32 equal parts R13 32 equal parts R14 32 equal parts R15 32 equal parts 11 11 Page

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