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參數資料
| 型號： | LC74789M |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO24 |
| 封裝： | 0.375 INCH, PLASTIC, MFP-24 |
| 文件頁數： | 19/23頁 |
| 文件大小： | 209K |
| 代理商： | LC74789M |
No. 5732-5/23
LC74789, 74789M, 74789JM
Parameter
Symbol
Pin
Conditions
Ratings
Unit
min
typ
max
Input off leakage current
Ileak1
CVIN and CVCR
1
A
Output off leakage current
Ileak2
CVOUT
1
A
Output high-level voltage
VOH1
HFTONOUT, SYNCJDG, and SEPOUT
VDD1 = 4.5 V,
3.5
V
IOH = –1.0 mA
Output low-level voltage
VOL1
HFTONOUT, SYNCJDG, and SEPOUT
VDD1 = 4.5 V,
1.0
V
IOL = –1.0 mA
H
3.3
5.0
V
Three-value output voltage
VO
CHABLK
VDD1 = 5.0 V M
1.8
2.3
V
L
0
0.8
V
Input current
IIH
RST, CS, SIN, SCLK, CTRL1,
VIN = VDD1
1
A
SEPIN, and MUTE
IIL
CTRL1 and OSCIN
VIN = VSS1
–1
A
All outputs: open
Operating mode current drain
IDD1
VDD1
Xtal:7.159 MHz
15
mA
LC:8 MHz
IDD2
VDD2
VDD2 = 5 V
20
mA
(1)
0.70
0.82
0.94
SYNC level
VSN
(2)
0.89
1.01
1.13
V
(3)
1.18
1.30
1.42
(1)
1.32
1.44
1.56
Pedestal level
VPD
(2)
1.52
1.64
1.76
V
(3)
1.81
1.93
2.05
(1)
0.98
1.10
1.22
Color burst low level
VCBL
(2)
1.17
1.29
1.41
V
(3)
1.46
1.58
1.70
(1)
1.63
1.75
1.87
Color burst high level
VCBH
(2)
1.83
1.95
2.07
V
(3)
2.11
2.23
2.35
(1)
1.17
1.29
1.41
Background color low level (other than blue)
VRSL0
(2)
1.36
1.48
1.60
V
(3)
1.65
1.77
1.89
(1)
2.33
2.45
2.57
Background color high level (other than blue)
VRSH0
CVOUT
(2)
2.52
2.64
2.76
V
(1): When the sync level = 0.8 V
VDD1 = 5.0 V (3)
2.81
2.93
3.05
(2): When the sync level = 1.0 V
VDD2 = 5.0 V (1)
1.08
1.20
1.32
Blue background 1 low level
VRSL1
(3): When the sync level = 1.3 V
(2)
1.27
1.39
1.51
V
(3)
1.56
1.68
1.80
(1)
1.49
1.61
1.83
Blue background 2 low level
VRSL2
(2)
1.68
1.80
1.92
V
(3)
1.97
2.09
2.21
(1)
1.97
2.09
2.21
Blue background 1 and 2 high level
VRSH1, 2
(2)
2.17
2.29
2.41
V
(3)
2.46
2.58
2.70
(1)
1.40
1.52
1.64
Frame level 0
VBK0
(2)
1.60
1.72
1.84
V
(3)
1.89
2.01
2.13
(1)
1.97
2.09
2.21
Frame level 1
VBK1
(2)
2.17
2.29
2.41
V
(3)
2.46
2.58
2.70
(1)
2.55
2.67
2.79
Character level
VCHA
(2)
2.75
2.87
2.99
V
(3)
3.04
3.16
3.28
Electrical Characteristics at Ta = –30 to +70°C. VDD1 = 5 V unless otherwise specified.
Note: Blue background 1 or 2 are option settings.
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