參數(shù)資料
型號: LC74775M
元件分類: 畫面疊加
英文描述: ON-SCREEN DISPLAY IC, PDSO30
封裝: MFP30S
文件頁數(shù): 32/35頁
文件大小: 258K
代理商: LC74775M
No. 5919-6/35
LC74775, 74775M
Timing Characteristics at Ta = –30 to +70°C, VDD1 = 5 ±0.5 V
Ratings
Paremeter
Symbol
Conditions
min
typ
max
Unit
Minimum input pulse width
tW (SCLK)
SCLK
200
ns
tW (CS)
CS (The period when CS is high)
1
s
Data setup time
tSU (CS)
CS
200
ns
tSU (SIN)
SIN
200
ns
Data hold time
th (CS)
CS
2
s
th (SIN)
SIN
200
ns
One word write time
tword
The 8-bit data write time
4.2
s
twt
The RAM data write time
1
s
OSD Write (See figure 1.)
Ratings
Paremeter
Symbol
Conditions
min
typ
max
Unit
SCL frequency
fSCL
100
kHz
Bus release time
tBUF
4.7
s
Start/hold
tHD: STA
4.0
s
SCL low-level period
tLOW
4.7
s
SCL high-level period
tHIGH
4.0
s
Data hold
tHD: DAT
0
s
Data setup
tSU: DAT
250
ns
Rise time
tR
1000
ns
Fall time
tF
300
ns
Stop/setup
tSU: STO
4.0
s
PDC/VPS Write and Read (I2C timing)
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