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參數資料
型號: WFP6540B
廠商: WINBOND ELECTRONICS CORP
元件分類: 顯示驅動器
英文描述: 258-Channel, 6-Bit Signal Driver for XGA COG(chip-on-glass)TFT-LCDs Applications(用XGA COG TFT型液晶顯示器的258通道的,6位信號驅動器)
中文描述: LIQUID CRYSTAL DISPLAY DRIVER, UUC305
封裝: DIE-305
文件頁數: 3/25頁
文件大?。?/td> 648K
代理商: WFP6540B
October 5, 1999
Rev. 0.01
1999 Winbond Electronics Corporation
3
WFP6540B
258-Channel COG Signal Driver for XGA TFT-LCDs
Rseg Value
- Internal weighted R-String for low power operation (see Table 2-1 and Figure 2-1).
Table 2-1: Weighted R
SEG
Values (ignoring bus resistance)
R-Segment
Proportion
Value
V7 ~ V8
(V55~V63)
2x
20
,20
,20
,20
,20
,20
,20
,20
V6 ~V7
1.2x
12
X 8
V5 ~V6
1x
10
X 8
V4 ~V5
1x
10
X 8
V3 ~V4
1x
10
X 8
V2 ~V3
1x
10
X 8
V1 ~V2
1.2x
12
X 8
V0 ~V1
(V00~V07)
1.75x
20
, 20
20
, 20
, 20
, 20
, 20
V8
V7
.
V6
.
V5
.
V4
.
V3
.
V2
.
V1
.
V0
Proportion
R
String
Value
2
1.2
1
1
1
1
1.2
1.75
160
96
80
80
80
80
96
140
V8
V7
R
SEG
Value
20
20
20
20
20
20
20
20
VS
63
VS
62
VS
61
VS
60
VS
59
VS
58
VS
57
VS
56
VS
55
.
.
.
.
.
.
.
.
.
V1
V0
R
SEG
Value
20
20
20
20
20
20
20
VS
07
VS
06
VS
05
VS
04
VS
03
VS
02
VS
01
VS
00
.
.
.
.
.
.
.
.
note: Resistance
between reference
inputs is R
String
.
Resistance between
individual codes is
R
SEG
.
Figure 2-1: Weighted R-String Detail
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