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參數(shù)資料
| 型號： | LC74794 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI(用于屏幕顯示控制器規(guī)模集成電路（LSI）) |
| 中文描述： | 屏幕顯示控制器芯片（用于屏幕顯示控制器規(guī)模集成電路（LSI）的） |
| 文件頁數(shù)： | 4/30頁 |
| 文件大?。?/td> | 217K |
| 代理商： | LC74794 |
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No. 5557-4/30
LC74794, 74794M
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
V
DD
V
IN
V
OUT
Pd max
V
DD
1 and 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
Input voltage
V
Output voltage
DAV, DOUT, SEP
OUT
, and SYNC
JDG
V
Allowable power dissipation
350
mW
Operating temperature
Topr
–30 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
Specifications
Absolute Maximum Ratings
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
V
DD
1
V
DD
2
V
DD
1 and V
DD
2
V
DD
2
RST, CS1, CS2, SIN1, SCLK1, SCLK2,
and MUTE
4.5
5.0
5.5
V
5.5
5.0
1.27 V
DD
1
V
V
IH
1
0.8 V
DD
1
V
DD
1 + 0.3
V
Input high-level voltage
V
IH
2
CTRL1
0.7 V
DD
1
V
DD
1 + 0.3
V
V
IL
1
RST, CS1, CS2, SIN1, SCLK1, SCLK2,
and MUTE
V
SS
– 0.3
0.2 V
DD
1
V
Input low-level voltage
V
IL
2
CTRL1
V
SS
– 0.3
0.3 V
DD
1
V
Pull-up resistance
R
PU
RST, CS1, CS2, SIN1, SCLK1, SCLK2,
and MUTE
25
50
90
k
Composite video signal input voltage
V
IN
1
V
IN
2
CV
IN
and CV
CR
; V
DD
1 = 5 V
SYN
IN
; V
DD
1 = 5 V
Xtal
IN
(in external clock input mode)
fin = 2 fsc or 4 fsc ; V
DD
1 = 5 V
Xtal
IN
and Xtal
OUT
oscillator pins (2 fsc: PAL)
Xtal
IN
and Xtal
OUT
oscillator pins (4 fsc: PAL)
2.0
Vp-p
1.5
2.0
2.5
Vp-p
Input voltage
V
IN
3
0.10
5.0
Vp-p
Oscillator frequency
F
OSC
1
F
OSC
2
8.867
MHz
17.734
MHz
Allowable Operating Ranges
at Ta = –30 to +70°C
Note: When the Xtal
IN
pin is used in clock input mode, extreme care must be taken to prevent noise from entering the input signal.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input off leakage current
I
leak
1
I
leak
2
CV
IN
and CV
CR
CV
OUT
DAV, DOUT, SEP
OUT
, CP
OUT
, SYNC
JDG
;
V
DD
1 = 4.5 V, I
OH
= –1.0 mA
DAV, DOUT, SEP
OUT
, CP
OUT
, SYNC
JDG
;
V
DD
1 = 4.5 V, I
OL
= 1.0 mA
CHABLK ; V
DD
1 = 5.0 V
1
μA
Output off leakage current
1
μA
Output high-level voltage
V
OH
1
3.5
V
Output low-level voltage
V
OL
1
1.0
V
H
3.3
5.0
V
Three-value output voltage
V
O
M
1.8
2.3
V
L
0
0.8
V
RST, CS1, CS2, SIN, SCLK1, SCLK2,
CTRL1, MUTE, SEP
IN
, and VCO
IN
V
IN
= V
DD
1
CTRL1, SEP
IN
, and VCO
IN
; V
IN
= V
SS
1
V
DD
1; with all outputs open
Xtal : 17.734 MHz, VCO : 27 MHz
I
IH
1
μA
Input current
I
IL
–1
μA
I
DD
1
40
mA
Operating current drain
I
DD
2
V
DD
2; V
DD
2 = 5 V
CV
OUT
; V
DD
1 = 5.0 V
V
DD
2 = 5.0 V
20
mA
0.80
V
SYNC level
V
SN
1.00
V
1.30
V
CV
OUT
; V
DD
1 = 5.0 V
V
DD
2 = 5.0 V
1.37
V
Pedestal level
V
PD
1.57
V
1.87
V
CV
OUT
; V
DD
1 = 5.0 V
V
DD
2 = 5.0 V
1.07
V
Color burst low level
V
CBL
1.27
V
1.57
V
Electrical Characteristics
at Ta = –30 to +70°C, V
DD
1 = 5 V unless otherwise specified.
Continued on next page.
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| LC74795 | On-Screen Display Controller LSI(用于屏幕顯示控制器規(guī)模集成電路（LSI）) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74794M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74795 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74795M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74798 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
| LC74798M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
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