參數(shù)資料
型號(hào): UPD16641
廠商: NEC Corp.
英文描述: SOURCE DRIVER FOR 240-OUTPUT TFT-LCD 64 GRAY SCALES
中文描述: 240源驅(qū)動(dòng)器輸出的TFT - LCD 64灰度
文件頁(yè)數(shù): 8/20頁(yè)
文件大?。?/td> 151K
代理商: UPD16641
8
μ
PD16641
Relation between Input Data and Output Data
Data format : 1 pixel data (6 bits)
×
RGB (3 dots)
Input width : 18 bits
R/L = H (right shift)
Output
S
1
S
2
S
3
···
S
239
S
240
Data
D
00
to D
05
D
10
to D
15
D
20
to D
25
···
D
10
to D
15
D
20
to D
25
R/L = L (left shift)
Output
S
1
S
2
S
3
···
S
239
S
240
Data
D
00
to D
05
D
10
to D
15
D
20
to D
25
···
D
10
to D
15
D
20
to D
25
5. OPERATION OF OUTPUT BUFFER
The output buffer consists of an operational amplifier circuit that does not perform precharge operation. Therefore,
driver output current I
VOH1/2
is the charging current to the LCD, and I
VOL1/2
is the discharging current
.
The chip has the driving capability to charge or discharge a liquid load with C
L
= 80 pF to 3
τ
in less than 10
μ
s.
<LCD panel driving waveform of
μ
PD16641>
S
n
V
DD2
V
SS2
Write
(I
VOL
/I
VOH
)
Write
(I
VOL
/I
VOH
)
1 horizontal period
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