參數(shù)資料
型號: LC74775
廠商: Sanyo Electric Co.,Ltd.
英文描述: On-Screen Display Controller IC
中文描述: 屏幕顯示控制器IC
文件頁數(shù): 6/35頁
文件大?。?/td> 258K
代理商: LC74775
No. 5919-6/35
LC74775, 74775M
Timing Characteristics
at Ta = –30 to +70°C, V
DD
1 = 5 ±0.5 V
OSD Write (See figure 1.)
Ratings
Paremeter
Symbol
Conditions
min
typ
max
Unit
Minimum input pulse width
t
W
(SCLK)
t
W
(CS)
t
SU
(CS)
t
SU
(SIN)
t
h
(CS)
t
h
(SIN)
t
word
t
wt
SCLK
200
ns
CS (The period when CS is high)
1
μs
Data setup time
CS
200
ns
SIN
200
ns
Data hold time
CS
2
μs
SIN
200
ns
One word write time
The 8-bit data write time
4.2
μs
The RAM data write time
1
μs
Ratings
Paremeter
Symbol
Conditions
min
typ
max
Unit
SCL frequency
f
SCL
t
BUF
100
kHz
Bus release time
4.7
μs
Start/hold
t
HD
: STA
t
LOW
t
HIGH
t
HD
: DAT
t
SU
: DAT
t
R
t
F
t
SU
: S
TO
4.0
μs
SCL low-level period
4.7
μs
SCL high-level period
4.0
μs
Data hold
0
μs
Data setup
250
ns
Rise time
1000
ns
Fall time
300
ns
Stop/setup
4.0
μs
PDC/VPS Write and Read (I
2
C timing)
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