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Part: LH168M
Category:
Optoelectronics
-> Drivers/Controllers
-> LCDs
Description: 384-output Tft-lcd Source Driver ic
Company: Sharp Microelectronics of the Americas
Datasheet: Download LH168M datasheet File size : 960 kB
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Datasheet text preview:
LH168M
LH168M
DESCRIPTION
The LH168M is a 384-output TFT-LCD source driver IC which can simultaneously display 262 144 colors in 64 gray scales.
384-output TFT-LCD Source Driver IC
PIN CONNECTIONS
434-PIN TCP TOP VIEW
FEATURES
· Number of LCD drive outputs : 384 · Built-in 6-bit digital input DAC · Dot-inversion drive : Outputs the inverted gray scale voltages between LCD drive pins next to each other · RSDSTM*(Reduced Swing Differential Signaling) _ _ _ _ input interface (Data and CK) : Possible to reduce Electro-Magnetic _nterference (EMI) _ _ I · Possible to display 262 144 colors in 64 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 : 68 MHz (MAX.) · Supply voltages VCC (for logic system) : +3.0 to +3.6 V VLS (for LCD drive system) : +12 V (MAX.) · Package : 434-pin TCP (Tape Carrier Package)
* RSDS is a trademark of National Semiconductor Corporation. SHARP recommends FPD87310 of National Semiconductor Corporation as a timing controller for RSDSTM.
XO1 1 YO1 2 ZO1 3
434 433 432 431 430 429 428 427 426 425 424 423 422 421 420 419 418 417 416 415 414 413 412 411 410 409 408 407 406 405 404 403 402 401 400 399 398 397 396 395 394 393 392 391 390 389 388 387 386 385
SPOI X0P X0N X1P X1N X2P X2N POL REV LS CKP CKN GND GND VH0 VH8 VH16 VH24 VH32 VH40 VH48 VH56 VH64 GND VLS VL64 VL56 VL48 VL40 VL32 VL24 VL16 VL8 VL0 LBR VCC VCC Y0P Y0N Y1P Y1N Y2P Y2N Z0P Z0N Z1P Z1N Z2P Z2N SPIO
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
CHIP SURFACE
LH168M
PIN DESCRIPTION
PIN NO. 1 to 384 385 386 to 391 392 to 397 398, 399 400 401 to 409 410 411, 421, 422 412 to 420 423, 424 425 426 427 428 to 433 434 SYMBOL XO1-ZO128 SPIO Z2N-Z0P Y2N-Y0P VCC LBR VL0-VL64 VLS GND VH64-VH0 CKN, CKP LS REV POL X2N-X0P SPOI I/O O I/O I I I I I I I I I I I/O DESCRIPTION LCD drive output pins Start pulse input/cascade output pin Data input pins Data input pins Power supply pins for digital circuit Shift direction selection input pin Reference voltage input pins Power supply pin for analog circuit Ground pins Reference voltage input pins Shift clock input pins Latch input pin LCD drive output polarity exchange input pin Input data polarity exchange input pin Data input pins Start pulse input/cascade output pin
2
LH168M
BLOCK DIAGRAM
VCC 399 VCC GND GND 398 421 422 GND 411
LBR 400 SPOI 434 POL 427 CKP 424 CKN 423 COMPARATOR X0P 433 X2N 428 Y0P 397 Y2N 392 Z0P 391 6 Z2N 386 6 LS 425 6 6 LEVEL SHIFTER 6 VH0 420 VH64 412 VL64 409 VL0 401 18 REFERENCE V G OLTAGE EC ERATION N IRCUIT 64 x 2 6 6 6 HOLD MEMORY 6 410 VLS 6 6 12 128 SHIFT REGISTER 385 SPIO
L ATA D ATCH
6
SAMPLING MEMORY
DA CONVERTER
REV 426
OUTPUT CIRCUIT
1
2
3
382 383 384 XO128 YO128 ZO128
XO1 YO1 ZO1
3
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