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PDF LH168A Data sheet ( Hoja de datos )
| Número de pieza | LH168A | |
| Descripción | 384-output TFT-LCD Source Driver IC | |
| Fabricantes | Sharp Electrionic Components | |
| Logotipo |  |
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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.
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)
384-output TFT-LCD Source Driver IC
PIN CONNECTIONS
444-PIN TCP
TOP VIEW
XO1 1
YO1 2
ZO1 3
444 GNDA
443 VLS
442 TESTB
441 XA5
436 XA0
435 YA5
430 YA0
429 ZA5
424 ZA0
423 SPOI
422 GNDL
421 POL1
420 POL2
419 CK
418 VCC
417 V1
416 V2
415 V3
414 V4
413 V5
412 V6
411 V7
410 V8
409 V9
408 V10
407 SPIO
406 XB5
401 XB0
400 YB5
395 YB0
394 ZB5
389 ZB0
388 LS
387 LBR
386 VLS
385 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
1 page  
LH168A
VCC
VCC
I
GNDL
Fig. 3 Input Circuit (3)
To Internal Circuit
¿Applicable pin¡
TESTB
Pch Tr
VCC
I
O
Nch Tr
GNDL
VCC
Output Signal
Output Control Signal
GNDL
Fig. 4 Input/Output Circuit
To Internal Circuit
¿Applicable pins¡
SPIO, SPOI
VLS
Operational Amplifier +
O–
GNDA
From Internal Circuit
¿Applicable pins¡
XO1-XO128,
YO1-YO128,
ZO1-ZO128
Fig. 5 Output Circuit
5
5 Page 
LH168A
ELECTRICAL CHARACTERISTICS
DC Characteristics
(VCC = +2.7 to +3.6 V, VLS = +3.0 to +5.5 V, TOPR = –20 to +75 ˚C)
PARAMETER SYMBOL CONDITIONS APPLICABLE PINS MIN.
Input "Low" voltage
Input "High" voltage
VIL
VIH
XA0-XA5, YA0-YA5, ZA0-ZA5, GNDL
XB0-XB5, YB0-YB5, ZB0-ZB5,
SPIO, SPOI, CK, LS, LBR 0.7VCC
Output "Low" voltage VOL IOL = 0.3 mA
Output "High" voltage VOH IOH = –0.3 mA
SPIO, SPOI
GNDL
VCC – 0.4
XA0-XA5, YA0-YA5, ZA0-ZA5,
Input "Low" current
IILL
XB0-XB5, YB0-YB5, ZB0-ZB5,
SPIO, SPOI, CK, LS, LBR,
POL1, POL2
XA0-XA5, YA0-YA5, ZA0-ZA5,
Input "High" current
IILH1
XB0-XB5, YB0-YB5, ZB0-ZB5,
SPIO, SPOI, CK, LS, LBR
IILH2
POL1, POL2
Supply current
(In operation mode)
fCK = 55 MHz
ICC1 fLS = 50 kHz
(Data sampling state)
VCC-GNDL
fCK = 55 MHz
Supply current
(In standby mode)
ICC2
fLS = 50 kHz
SPI = GND is fixed.
VCC-GNDL
(Standby state)
Supply current
(In operation mode)
fCK = 55 MHz
ILS1 fLS = 50 kHz
(Data sampling state)
VLS-GNDA
fCK = 55 MHz
Supply current
(In standby mode)
ILS2
fLS = 50 kHz
SPI = GND is fixed.
VLS-GNDA
(Standby state)
Output voltage range VOUT
GNDA + 0.1
Deviations between
output voltage pins
VOD
XO1-ZO128
–20
Output current
IO1, IO2
20
Resistance between
reference voltage input pins
RGMA
V1-V10
10
TYP.
50
MAX.
0.3VCC
VCC
GNDL + 0.4
VCC
1
1
400
12
4
10
9
VLS – 0.1
20
30
UNIT
V
V
V
V
µA
µA
µA
mA
mA
mA
mA
V
mV
µA
k$
NOTE
1
2
NOTES :
1. Criterion of evaluating voltage deviations.
Expecting values : Applicable to (a).
(a) Between output voltage pins
(Conditions) Applicable to (a).
Measuring values : Output voltage value at the time after
10 µs at the rising edge of LS.
Each input voltage between the LCD drivers must be
made perfectly equal by connecting corresponding
(Average of several times)
reference voltage input pins.
(Conditions) Output load capacity is 70 pF.
2. IO1 : Applied voltage = 3.0 V for output pins XO1 to ZO128.
In a state when the reference voltage is fixed.
Output voltage = 2.5 V for output pins XO1 to ZO128.
Expecting values : Calculated following these specifications.
(Conditions) In a state when the reference voltage is fixed.
(b) Between LCD drivers
Measuring values : Applicable to (a).
VLS = 5.0 V
IO2 : Applied voltage = 2.0 V for output pins XO1 to ZO128.
Output voltage = 2.5 V for output pins XO1 to ZO128.
VLS = 5.0 V
(Conditions) Applicable to (a).
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet LH168A.PDF ] | |
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