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PDF ( 数据手册 , 数据表 ) TT4761B01-4

零件编号 TT4761B01-4
描述 LCD Module
制造商 CSOT
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TT4761B01-4 数据手册, 描述, 功能
TT4761B01-4 Product Specification
MODEL: TT4761B01-4
Ver. 1.1
Date: 31.May.2013
Customer’s Approval
CSOT
Signature
Date Approved By Product Director Date
Name: Richard Lung
Signature:
Reviewed By PM Manager
Name: Aaron Tu
Signature:
Reviewed By Project Leader
Name: KC Lee
Signature:
Date
Date
Reviewed By PM
Name: Zou Yingnan
Signature:
Date
The copyright belongs to Shenzhen China Star
Optoelectronics Technology Co., Ltd.
Any unauthorized use is prohibited.
1 / 34
Ver. 1.1







TT4761B01-4 pdf, 数据表
TT4761B01-4 Product Specification
3.2 LVDS Characteristics
Parameter
Symbol
LVDS Interface
Differential Input High
Threshold Voltage
Differential Input Low
Threshold Voltage
Common Input Voltage
VTH
VTL
VCM
Differential Input Voltage
|VID|
Terminating Resistor
RT
CMOS Interface
Note:
Input High Threshold Voltage
Input Low Threshold Voltage
VIH
VIL
(1) The LVDS input signal has been defined as follows:
Min.
+100
-
1.0
200
87.5
2.7
0
Value
Typ.
-
-
1.2
400
100
-
-
Max.
-
-100
1.4
600
112.5
3.3
0.7
Unit Note
mV
mV
V (1)
mV
ohm
V
V
VCM
GND
VTH |VID|
VTL
Fig. 3.3 LVDS input signal
The copyright belongs to Shenzhen China Star
Optoelectronics Technology Co., Ltd.
Any unauthorized use is prohibited.
8 / 34
Ver. 1.1







TT4761B01-4 equivalent, schematic
TT4761B01-4 Product Specification
5.2 Power On/Off Sequence
To prevent a latch-up or DC operation of the Open cell, the power on/off sequence should be as the diagram below.
0.9 VCC
VCC 0 V 0.1 VCC
T1
0.9 VCC
0.1 VCC
T3
LVDS Signal
T2
0V
Power On
Valid Data
T4
Power Off
Backlight (Recommended)
50% 50%
T5 T6
Parameter
Fig. 5.2 Power On/Off
Sequence Values
Min. Typ.
Max.
Unit
T1 0.5 - 10 ms
T2 0 - 50 ms
T3 0 - 50 ms
T4
1000
-
-
ms
T5 500 - - ms
T6 100 - - ms
Attention:
(1) The supply voltage of the external system for the open cell input should follow the definition of VCC.
(2) When the customers backlight turns on before the LCD operation or the LCD turns off before the backlight turns off, the
display may momentarily become abnormal screen.
(3) In case that VCC is in off level, please keep the level of input signals on the low or high impedance. If T2 < 0, that may
cause electrical overstress.
(4) T4 should be measured after the module has been fully discharged between power off and on period.
(5) Interface signal shall not be kept at high impedance when the power is on.
The copyright belongs to Shenzhen China Star
Optoelectronics Technology Co., Ltd.
Any unauthorized use is prohibited.
16 / 34
Ver. 1.1










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