參數資料
型號: LC74731W
廠商: Sanyo Electric Co.,Ltd.
英文描述: On-Screen Display Controller
中文描述: 屏幕顯示控制器
文件頁數: 5/38頁
文件大?。?/td> 157K
代理商: LC74731W
No. 6526-5/38
LC74731W,74732W
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
max
Supply voltage
V
DD
V
IN
V
DD
1 and V
DD
2
All input pins
V
SS
– 0.3
V
SS
– 0.3
V
SS
+ 6.5
V
DD
1 + 0.3
V
Input voltage
V
Output voltage
V
OUT
SYNCJDG, BLANK, CHARA, SEPOUT, A0 to A17,
CE, and OE
V
SS
– 0.3
V
DD
1 + 0.3
V
Allowable power dissipation
Pdmax
275
mW
Operating temperature
Topr
–30
+70
°C
Storage temperature
Tstg
–40
+125
°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
V
DD
1
V
DD
2
V
DD
1
V
DD
2
V
IH
1
V
IH
2
V
IH
3
V
IH
4
V
IL
1
V
IL
2
V
IL
3
V
DD
1
V
DD
2
V
DD
1
V
DD
2
CS, SIN, SCLK, SEPIN, and MUTE
4.5
5.0
5.5
V
4.5
5.0
6.5
V
Supply voltage
[Only for RGB output]
2.7
5.0
5.5
V
2.7
5.0
6.5
V
0.8 V
DD
1
0.8 V
DD
1
0.7 V
DD
1
0.8 V
DD
1
V
SS
– 0.3
V
SS
– 0.3
V
SS
– 0.3
5.5
V
High-level input voltage
RST
V
DD
1 + 0.3
V
DD
1 + 0.3
V
CTRL1 and OUTMOD
V
D0 to D7
5.5
V
RST, CS, SIN, SCLK, SEPIN, and MUTE
0.2 V
DD
1
0.3 V
DD
1
0.2 V
DD
1
V
Low-level input voltage
CTRL1 and OUTMOD
V
D0 to D7
V
Pull-up resistor
R
PU
RST, CS, SIN, SCLK, and MUTE (when the pull-up
resistor option is specified)
25
50
90
k
Composite video signal input
voltage
V
IN
1
V
IN
2
CVIN and CVCR
V
DD
1 = 5 V
V
DD
1 = 5 V
2.0
Vp-p
SYNIN
1.5
2.0
2.5
Vp-p
Input voltage
V
IN
3
XtalIN (when an external clock input is used)
fin = 2 fsc, 4 fsc
V
DD
1 = 5 V
5.0
Vp-p
The XtalIN and XtalOUT oscillator pins (2 fsc: NTSC)
7.159
MHz
F
OSC1
The XtalIN and XtalOUT oscillator pins (4 fsc: NTSC)
14.318
MHz
Oscillator frequency
The XtalIN and XtalOUT oscillator pins (2 fsc: PAL)
8.867
MHz
The XtalIN and XtalOUT oscillator pins (4 fsc: PAL)
17.734
MHz
F
OSC2
The OSCin and OSCout oscillator pins (LC oscillator)
10
MHz
Recommended Operating Conditions
Note: If the Xtalin pin is used in clock input mode, applications must take adequate input noise prevention and reduction measures.
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