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Part: LH168K
Category:
Optoelectronics
-> Drivers/Controllers
-> LCDs
Description: 324-output Tft-lcd Source Driver ic
Company: Sharp Microelectronics of the Americas
Datasheet: Download LH168K datasheet File size : 960 kB
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Datasheet text preview:
LH168K
LH168K
DESCRIPTION
The LH168K is a 324-output TFT-LCD source driver IC which can simultaneously display 262 144 colors in 64 gray scales.
324-output TFT-LCD Source Driver IC
PIN CONNECTIONS
395-PIN TCP
XO1 1 YO1 2 ZO1 3
TOP VIEW
FEATURES
· Selectable number of LCD drive outputs : 324/321/312/309 · Built-in 6-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 at 324-output and 312-output modes. 1-port input for each circuit of data inputs R, G and B at 321output and 309-output modes. · 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/XO108, YO108, ZO108 or ZO108, YO108, XO108/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) : +12 V (MAX.) · Package : 395-pin TCP (Tape Carrier Package)
395 394 393 392 391 390 GND VLS GND MODE PBS XB5
385 XB0 384 XA5 379 XA0 378 YA5 373 372 371 370 369 368 367 366 365 364 363 362 361 360 359 358 357 356 355 354 353 352 351 350 349 348 347 346 YA0 SPOI VH0 VH8 VH16 VH24 VH32 VH40 VH48 VH56 VH63 VL63 VL56 VL48 VL40 VL32 VL24 VL16 VL8 VL0 POLB POLA CK SPIO LS REV2 REV YB5
CHIP SURFACE
341 YB0 340 ZB5 335 ZB0 334 ZA5 329 328 327 326 325 ZA0 LBR VCC VLS GND
XO108 322 YO108 323 ZO108 324
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
LH168K
PIN DESCRIPTION
PIN NO. 1 to 324 325, 393, 395 326, 394 327 328 329 to 334 335 to 340 341 to 346 347, 348 349 350 351 352, 353 354 to 362 363 to 371 372 373 to 378 379 to 384 385 to 390 391 392 SYMBOL XO1-ZO108 GND VLS VCC LBR ZA0-ZA5 ZB0-ZB5 YB0-YB5 REV, REV2 LS SPIO CK POLA, POLB VL0-VL63 VH63-VH0 SPOI YA0-YA5 XA0-XA5 XB0-XB5 PBS MODE I/O O I I I I I I I/O I I I I I/O I I I I I DESCRIPTION LCD drive output pins Ground pins Power supply pins for analog circuit Power supply pin for digital circuit Shift direction selection input pin Data input pins Data input pins Data input pins LCD drive output polarity exchange input pins Latch input pin Start pulse input/cascade output pin Shift clock input pin Input data polarity exchange input pins Reference voltage input pins Reference voltage input pins Start pulse input/cascade output pin Data input pins Data input pins Data input pins 2-port/1-port selection input pin Input pin for selecting the number of LCD drive outputs
2
LH168K
BLOCK DIAGRAM
VCC GND 327 MODE 392 LBR 328 SPOI 372 PBS 391 CK 351 POLA 352 PLOB 353 XA0 379 385 XA5 384 390 YA0 373 341 YA5 378 346 ZA0 329 335 ZA5 334 340 XB0 XB5 YB0 YB5 ZB0 6x2 ZB5 6 LS 349 6 6 LEVEL SHIFTER 6 VH0 371 VH63 363 VL63 362 VL0 354 REV 347 OUTPUT CIRCUIT REV2 348 REFERENCE V G OLTAGE EC ERATION N IRCUIT 6 6 6 HOLD MEMORY 6 326 VLS 394 VLS 6 L ATA D ATCH 6x2 6x2 12 108 SHIFT REGISTER 350 SPIO 393 GND GND 325 395
SAMPLING MEMORY
18
64 x 2
DA CONVERTER
1
2
3
322 323 324 XO108 YO108 ZO108
XO1 YO1 ZO1
3
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