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参数资料
| 型号： | LC74760 |
| 元件分类： | 画面叠加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP30 |
| 封装： | SDIP-30 |
| 文件页数： | 7/14页 |
| 文件大小： | 280K |
| 代理商： | LC74760 |
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Condition
Rating
Unit
Maximum supply voltage
VDD max
VDD1, VDD2 pins
VSS – 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
HSYNCOUT, VSYNCOUT,
VSS – 0.3 to VDD + 0.3
V
SYNCDET pins
Allowable power dissipation
Pd max
300
mW
Operating temperature
Topr
–30 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
Allowable Operating Ranges at Ta = –30 to +70°C
Rating
Parameter
Symbol
Condition
min
typ
max
Unit
Supply voltage
VDD1
VDD1 pin
4.5
5.0
5.5
V
VDD2
VDD2 pin
4.5
5.0
1.27 VDD1
V
Input high level voltage
VIH1
RST, CS, SIN, SCLK pins
0.8 VDD1
VDD1 + 0.3
V
VIH2
SECAM, 525/625,
0.7 VDD1
VDD1 + 0.3
V
NTSC/PAL, 3.58/4.43 pins
Input low level voltage
VIL1
RST, CS, SIN, SCLK
VSS – 0.3
0.2 VDD1
V
VIL2
SECAM, 525/625,
VSS – 0.3
0.3 VDD1
V
NTSC/PAL, 3.58/4.43 pins
Input voltage
VIN
FC, AMPIN pins
VSS – 0.3
VDD1 + 0.3
V
VIN1
CVIN pins
2 VPP
V
Composite video signal input voltage
VIN2
CVCR pins
2 VPP
V
VIN3
SYNCIN pins
2 VPP
2.5 VPP
V
Oscillator frequency
FOSC1
XtalIN1, XtalOUT1 pins; 4fsc: NTSC
14.318
MHz
XtalIN2, XtalOUT2 pins; 4fsc: PAL
17.734
MHz
FOSC2
XtalIN2, XtalOUT2 pins; 4fsc: PAL-M
14.302
MHz
XtalIN2, XtalOUT2 pins; 4fsc: PAL-N
14.328
MHz
Electrical Characteristics at Ta = –30 to +70°C, with VDD1 = VDD2 = 5 V unless otherwise specified
Rating
Parameter
Symbol
Condition
min
typ
max
Unit
Output off leakage current
Ileak1
CVOUT pin
10
A
Input off leakage current
Ileak2
CVIN, CVCR pins
10
A
Output high level voltage
VOH
HSYNCOUT, VSYNCOUT,
3.5
V
SYNCDET, SECAM, 525/625,
NTSC/PAL, 3.58/4.43, AMPOUT,
PDOUT pins; VDD1 = 4.5 V, IOH = –1.0 mA
Output low level voltage
VOL
HSYNCOUT, VSYNCOUT,
1.0
V
SYNCDET, SECAM, 525/625,
NTSC/PAL, 3.58/4.43, AMPOUT,
PDOUT pins; VDD1 = 4.5 V, IOL = 1.0 mA
Input current
IIH
RST, CS, SIN, SCLK, SECAM, 525/625,
1A
NTSC/PAL, 3.58/4.43 pins; VIN = VDD1
IIL
SECAM, 525/625, NTSC/PAL,
–1
A
3.58/4.43 pin; VIN = VSS1
Oscillator frequency
FOSC3
VCOIN, VCOOUT pins; FC = 1/2 VDD1
14.12
MHz
Operating current dissipation
IDD1
VDD1 pin; All outputs open, Xtal: 4fsc
15
mA
IDD2
VDD2 pin; VDD2 = 5.0 V
20
mA
Timing Characteristics at Ta = –30 to +70°C, VDD = 5 ±0.5 V
Rating
Parameter
Symbol
Condition
min
typ
max
Unit
Minimum input pulse width
tW(SCLK)
SCLK pin
200
ns
tW(CS)
CS pin (during periods when CS is high)
1
s
Data setup time
tSU(CS)
CS pin
200
ns
tSU(SIN)
SIN pin
200
ns
Data hold time
th(CS)
CS pin
2
s
th(SIN)
SIN pin
200
ns
One word write time
tword
Write time for 8 bits of data
4.2
s
twt
RAM data write time
1
s
No. 4453-2/14
LC74760, 74760M
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相关代理商/技术参数 |
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| LC74760M | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:On-Screen Display IC |
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| LC74761M-9006-E | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
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