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PDF LH168K Data sheet ( Hoja de datos )
| Número de pieza | LH168K | |
| Descripción | 324-output TFT-LCD Source Driver IC | |
| Fabricantes | Sharp Electrionic Components | |
| Logotipo |  |
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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.
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 321-
output 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)
324-output TFT-LCD Source Driver IC
PIN CONNECTIONS
395-PIN TCP
XO1 1
YO1 2
ZO1 3
TOP VIEW
395 GND
394 VLS
393 GND
392 MODE
391 PBS
390 XB5
385 XB0
384 XA5
379 XA0
378 YA5
373 YA0
372 SPOI
371 VH0
370 VH8
369 VH16
368 VH24
367 VH32
366 VH40
365 VH48
364 VH56
363 VH63
362 VL63
361 VL56
360 VL48
359 VL40
358 VL32
357 VL24
356 VL16
355 VL8
354 VL0
353 POLB
352 POLA
351 CK
350 SPIO
349 LS
348 REV2
347 REV
346 YB5
341 YB0
340 ZB5
335 ZB0
334 ZA5
329 ZA0
328 LBR
327 VCC
326 VLS
325 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
1 page  
LH168K
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-XO108,
YO1-YO108,
ZO1-ZO108
Fig. 4 Output Circuit
5
5 Page 
‹ (Gamma) Correction Value
Between reference voltage input pins VH0 and
VH63, 63 resistors are connected in series. And
between reference voltage input pins VL0 and VL63,
63 resistors are connected in series. No resistor is
connected between reference voltage input pins
VH63 and VL63.
LH168K
The ‹ correction curve is a broken line connected
between intermediate voltage inputs (VH8, VH16,
VH24, VH32, VH40, VH48, VH56, VL8, VL16, VL24,
VL32, VL40, VL48 and VL56). Each ‹ correction
value between the intermediate voltage inputs is
divided into 7 or 8 parts by the same resistor.
VH0
VH8
VH16
VH24
VH32
VH40
VH48
VH56
VH63
VL63
VL56
VL48
VL40
VL32
VL24
VL16
VL8
VL0
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
LH168K
8 equal parts
8 equal parts
8 equal parts
8 equal parts
8 equal parts
8 equal parts
8 equal parts
7 equal parts
7 equal parts
8 equal parts
8 equal parts
8 equal parts
8 equal parts
8 equal parts
8 equal parts
8 equal parts
The following shows the ratio of ‹ correction resistance, when R0 equals 1.
R0 1.00
R8 0.20
R1 0.20
R9 0.10
R2 0.10
R10 0.10
R3 0.10
R11 0.10
R4 0.10
R12 0.10
R5 0.10
R13 0.10
R6 0.10
R14 0.20
R7 0.20
R15 1.00
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet LH168K.PDF ] | |
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