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參數資料
| 型號： | LC74785 |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, SDIP-24 |
| 文件頁數： | 20/24頁 |
| 文件大小： | 266K |
| 代理商： | LC74785 |
No. 5520-5/24
LC74785, LC74785M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Minimum input pulse width
tW(SCLK)
SCLK
200
ns
tW(CS1)
CS1 (The period when CS1 is high)
1
s
Data setup time
tSU(CS1)
CS1
200
ns
tSU(SIN)
SIN
200
ns
Data hold time
th(CS1)
CS1
2
s
th(SIN)
SIN
200
ns
One word write time
tword
The time to write 8 bits of data
4.2
s
twt
The RAM data write time
1
s
Timing Characteristics at Ta = –30 to +70°C, VDD1 = 5 ±0.5 V
OSD write (See Figure 1.)
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
tCKCY
SCLK
2
s
Minimum input pulse width
tCKL
SCLK
1
s
tCKH
SCLK
1
s
Setup time
tICK
SCLK
10
s
Output delay time
tCKO
CPDT
0.5
s
EDS read (For the n-channel open-drain circuit, see Figure 2.)
Figure 1 OSD Serial Data Input Timing
Figure 2 EDS Serial Output Test Conditions (For the n-channel open-drain circuit.)
Note: The CMOS output circuit follows the OSD timing.
First byte
Note: CPDT goes to the high-impedance state when CS2 is high.
Second byte
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| LC74786 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74786M | ON-SCREEN DISPLAY IC, PDSO24 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LC74785M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74786 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74786-9606-E | 制造商:ON Semiconductor 功能描述:ON-SCREEN DISPLAY CONTROL - Ammo Pack |
| LC74786JM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74786M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
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