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参数资料
| 型号： | LC74776M |
| 元件分类： | 画面叠加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO30 |
| 封装： | MFP30S |
| 文件页数： | 30/35页 |
| 文件大小： | 253K |
| 代理商： | LC74776M |
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Absolute Maximum Ratings
No. 6018-4/35
LC74776, 74776M
Paremeter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDDmax
VDD1, VDD2, and VDD3
VSS – 0.3 to VSS + 6.5
V
Maximum input voltage
VINmax
All input pins
VSS – 0.3 to VDD1 + 0.3
V
Maximum output voltage
VOUTmax
SDA, SYNCJDG, and SEPOUT
VSS – 0.3 to VDD1 + 0.3
V
Allowable power dissipation
Pd max
Ta = 25°C
350
mW
Operating temperature
Topr
–30 to + 70
°C
Storage temperature
Tstg
–40 to + 125
°C
Continued on next page.
Allowable Operating Ranges
Ratings
Paremeter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD1
VDD1, VDD3
4.5
5.0
5.5
V
VDD2
4.5
5.0
6.5
V
VIH1
CS, SIN, SCLK, SDA, SCL,
0.8VDD1
5.5
V
Input high-level voltage
VIH2
RST, MUTE
0.8VDD1
VDD1 + 0.3
V
VIH3
CTRL1
0.7VDD1
VDD1 + 0.3
V
VIL1
RST, CS, SIN, SCLK, SDA, SCL,
VSS – 0.3
0.2VDD1
V
Input low-level voltage
MUTE
VIL2
CTRL1
VSS – 0.3
0.3VDD1
V
Pull-up resistance
RPU
RST, CS, SIN, SCLK, MUTE
25
50
90
k
Applies to pins set up by options.
Composite video signal
VIN1
CVIN, CVCR: VDD1 = 5V
2.0
Vp-p
input voltage
VIN2
SYNIN: VDD1 = 5V
1.5
2.0
2.5
Vp-p
Input voltage
VIN3
XtalIN (when used for external clock input)
0.10
5.0
Vp-p
fIN = 2fsc or 4fsc: VDD1= 5V
fOSC1
XtalIN and XtalOUT oscillator pins (2fsc: PAL)
8.867
MHz
Oscillator frequencies
fOSC2
XtalIN and XtalOUT oscillator pins (4fsc: PAL)
17.734
MHz
fOSC3
OSCIN and OSCOUT oscillator pins (LC oscillator)
5
10
MHz
Note: Applications must be especially cautious about noise when using the XtalIN input pin in clock input mode.
Electrical Characteristics at Ta = –30 to +70°C, VDD1 = 5 V unless otherwise specified
Ratings
Paremeter
Symbol
Conditions
min
typ
max
Unit
Input off leakage current
Ileak1
CVIN, CVCR
1
A
Output off leakage current
Ileak2
CVOUT, SDA
1
A
Output high-level voltage
VOH1
SEPOUT, CPOUT, SYNCJDG
3.5
V
VDD1 = 4.5V, IOH = –1.0 mA
VOL1
SEPOUT, CPOUT, SYNCJDG
1.0
V
Output low-level voltage
VDD1 = 4.5 V, IOL = 1.0 mA
VOL2
SDA: VDD1 = 5.0V, IOL = 3.0 mA
0.4
V
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
IIH
RST, CS, SIN, SCLK, SDA, SCL, CTRL1,
1
A
Input current
MUTE, VCOIN: VIN = VDD1
IIL
CTRL1, SDA, SCL, VCOIN
–1
A
VIN = VSS1
IDD1
VDD1 and VDD3: With all outputs open
40
mA
Operating mode current drain
Xtal: 17.734 MHz, LC: 8 MHz
IDD2
VDD2: VDD2 = 5 V
20
mA
CVOUT: VDD1 = 5.0 V,
(1)
0.80
V
SYNC level
VSN
VDD2 = 5.0 V
(2)
1.00
V
(3)
1.40
V
CVOUT: VDD1 = 5.0 V,
(1)
1.37
V
Pedestal level
VPD
VDD2 = 5.0 V
(2)
1.57
V
(3)
1.97
V
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