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参数资料
| 型号： | LC74730M |
| 元件分类： | 画面叠加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO30 |
| 封装： | MFP30S |
| 文件页数： | 7/14页 |
| 文件大小： | 250K |
| 代理商： | LC74730M |
Pin Assignment
Specifications
Absolute Maximum Ratings at Ta = 25°C
Allowable Operating Ranges at Ta = –30 to +70°C
Electrical Characteristics at Ta = –30 to +70°C, unless otherwise specified VDD1 = 5 V
No. 4247-2/14
LC74730M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
VDD1, VDD2VSS – 0.3 to VSS + 7.0
V
Maximum input voltage
VIN max
All input pins
VSS – 0.3 to VDD + 0.3
V
Maximum output voltage
VOUT max
CSYNOUT, SYNCJDG, SEPOUT
VSS – 0.3 to VDD + 0.3
V
Allowable power dissipation
Pd max
300
mW
Operating temperature
Topr
–30 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD1VDD1
4.5
5.0
5.5
V
VDD2VDD2
4.5
5.0
1.27 VDD1V
Input high-level voltage
VIH1
RST, CS, SIN, SCLK
0.8 VDD1VDD1 + 0.3
V
VIH2
CTRL1 to CTRL3, SEPIN
0.7 VDD1VDD1 + 0.3
V
Input low-level voltage
VIL1
RST, CS, SIN, SCLK
VSS – 0.3
0.2 VDD1V
VIL2
CTRL1 to CTRL3, SEPIN
VSS – 0.3
0.3 VDD1V
Composite video input voltage
VIN1CVIN
2 Vp-p
V
VIN2
SYNIN
2 Vp-p
2.5 Vp-p
V
Input voltage
VIN3
The XtalIN oscillator pin (in external clock input mode)
140
mV
Expected value (design target value)
Oscillator frequency
fOSC1
The XtalIN and XtalOUT oscillator pins (2fsc)
7.159
MHz
fOSC2
The OSCIN and OSCOUT oscillator pins (LC oscillator)
5
8
12
MHz
Parameter
Symbol
Conditions
min
typ
max
Unit
Output off leakage current
Ileak1COUT, YOUT, CVOUT
10
A
Input off leakage current
Ileak2CIN, YIN, CVIN
10
A
Output high-level voltage
VOH1
CSYNOUT, SYNCJDG, SEPOUT;
3.5
V
VDD1 = 4.5 V, IOH = 1.0 mA
Output low-level voltage
VOL1
CSYNOUT, SYNCJDG, SEPOUT;
1.0
V
VDD1 = 4.5 V, IOL = 1.0 mA
IIH
RST, CS, SIN, SCLK, CTRL1 to CTRL3, SEPIN;
1A
Input current
VIN = VDD1
IIL
CTRL1 to CTRL3, OSCIN: VIN = VSS1–1
A
IDD1
VDD1; all outputs open, crystal: 7.159 MHz,
15
mA
Operating current drain
LC: 8 MHz
IDD2VDD2; VDD2 = 5 V
20
mA
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