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參數(shù)資料
| 型號： | LC74730M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI |
| 中文描述： | 屏幕顯示控制器芯片 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 145K |
| 代理商： | LC74730M |
Pin Assignment
Specifications
Absolute Maximum Ratings
at Ta = 25°C
Allowable Operating Ranges
at Ta = –30 to +70°C
Electrical Characteristics
at Ta = –30 to +70°C, unless otherwise specified V
DD
1 = 5 V
No. 4247-2/14
LC74730M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
DD
max
V
IN
max
V
OUT
max
Pd max
V
DD
1, V
DD
2
All input pins
V
SS
– 0.3 to V
SS
+ 7.0
V
SS
– 0.3 to V
DD
+ 0.3
V
SS
– 0.3 to V
DD
+ 0.3
V
Maximum input voltage
V
Maximum output voltage
CSYN
OUT
, SYNC
JDG
, SEP
OUT
V
Allowable power dissipation
300
mW
Operating temperature
Topr
–30 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
V
DD
1
V
DD
2
V
IH
1
V
IH
2
V
IL
1
V
IL
2
V
IN
1
V
IN
2
V
DD
1
V
DD
2
RST, CS, SIN, SCLK
4.5
5.0
5.5
V
4.5
5.0
1.27 V
DD
1
V
DD
1 + 0.3
V
DD
1 + 0.3
0.2 V
DD
1
0.3 V
DD
1
V
Input high-level voltage
0.8 V
DD
1
0.7 V
DD
1
V
SS
– 0.3
V
SS
– 0.3
V
CTRL1 to CTRL3, SEP
IN
RST, CS, SIN, SCLK
V
Input low-level voltage
V
CTRL1 to CTRL3, SEP
IN
CV
IN
SYN
IN
The Xtal
IN
oscillator pin (in external clock input mode)
Expected value (design target value)
V
Composite video input voltage
2 Vp-p
V
2 Vp-p
2.5 Vp-p
V
Input voltage
V
IN
3
140
mV
Oscillator frequency
f
OSC
1
f
OSC
2
The Xtal
IN
and Xtal
OUT
oscillator pins (2f
sc
)
The OSC
IN
and OSC
OUT
oscillator pins (LC oscillator)
7.159
MHz
5
8
12
MHz
Parameter
Symbol
Conditions
min
typ
max
Unit
Output off leakage current
I
leak
1
I
leak
2
C
OUT
, Y
OUT
, CV
OUT
C
IN
, Y
IN
, CV
IN
CSYN
OUT
, SYNC
JDG
, SEP
OUT
;
V
DD
1 = 4.5 V, I
OH
= 1.0 mA
CSYN
OUT
, SYNC
JDG
, SEP
OUT
;
V
DD
1 = 4.5 V, I
OL
= 1.0 mA
RST, CS, SIN, SCLK, CTRL1 to CTRL3, SEP
IN
;
V
IN
= V
DD
1
CTRL1 to CTRL3, OSC
IN
: V
IN
= V
SS
1
V
DD
1; all outputs open, crystal: 7.159 MHz,
LC: 8 MHz
10
μA
Input off leakage current
10
μA
Output high-level voltage
V
OH
1
3.5
V
Output low-level voltage
V
OL
1
1.0
V
I
IH
1
μA
Input current
I
IL
–1
μA
I
DD
1
15
mA
Operating current drain
I
DD
2
V
DD
2; V
DD
2 = 5 V
20
mA
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