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Part: LH168A
Category:
Optoelectronics
-> Drivers/Controllers
-> LCDs
Description: 384-output Tft-lcd Source Driver ic
Company: Sharp Microelectronics of the Americas
Datasheet: Download LH168A datasheet File size : 40 kB
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Datasheet text preview:
LH168A
LH168A
DESCRIPTION
The LH168A 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
444-PIN TCP TOP VIEW
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)
XO1 1 YO1 2 ZO1 3
444 443 442 441
GNDA VLS TESTB XA5
436 XA0 435 YA5 430 YA0 429 ZA5 424 423 422 421 420 419 418 417 416 415 414 413 412 411 410 409 408 407 406 ZA0 SPOI GNDL POL1 POL2 CK VCC V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 SPIO XB5
CHIP SURFACE
401 XB0 400 YB5 395 YB0 394 ZB5 389 388 387 386 385 ZB0 LS LBR VLS GNDA
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
LH168A
PIN DESCRIPTION
PIN NO. 1 to 384 385, 444 386, 443 387 388 389 to 394 395 to 400 401 to 406 407 408 to 417 418 419 420, 421 422 423 424 to 429 430 to 435 436 to 441 442 SYMBOL XO1-ZO128 GNDA VLS LBR LS ZB0-ZB5 YB0-YB5 XB0-XB5 SPIO V10-V1 VCC CK POL2, POL1 GNDL SPOI ZA0-ZA5 YA0-YA5 XA0-XA5 TESTB I/O O I I I I I I/O I I I I/O I I I I DESCRIPTION LCD drive output pins Ground pins for analog circuit Power supply pins for analog circuit Shift direction selection input pin Latch input pin Data input pins Data input pins Data input pins Start pulse input/cascade output pin Reference voltage input pins Power supply pin for digital circuit Shift clock input pin Input data polarity exchange input pins Ground pin for digital circuit Start pulse input/cascade output pin Data input pins Data input pins Data input pins IC test pin
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LH168A
BLOCK DIAGRAM
VCC GNDL 418 422 GNDA GNDA 385 444
LBR 387 SPIO 407 CK 419 POL1 421 XA0 436 401 XA5 441 406 YA0 430 395 YA5 435 400 ZA0 424 389 ZA5 429 394 POL2 420 LS 388 6x2 V1 417 V2 416 V3 415 V4 414 V5 413 V6 412 V7 411 V8 410 V9 409 V10 408 1 2 3 382 383 384 XO128 YO128 ZO128 OUTPUT CIRCUIT RVFERENCE E G OLTAGE EC ERATION N IRCUIT 64 6x2 6x2 6x2 LEVEL SHIFTER 6x2 XB0 XB5 YB0 YB5 ZB0 6x2 ZB5 6x2 6x2 HOLD MEMORY 6x2 386 VLS 443 VLS 6x2 L ATA D ATCH 6x2 6x2 442 TESTB 12 64 SHIFT REGISTER 423 SPOI
SAMPLING MEMORY
DA CONVERTER
XO1 YO1 ZO1
3
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