參數(shù)資料
型號: LC74736PT
元件分類: 畫面疊加
英文描述: ON-SCREEN DISPLAY IC, PQFP100
封裝: 14 X 14 MM, TQFP-100
文件頁數(shù): 85/106頁
文件大?。?/td> 405K
代理商: LC74736PT
LC74736PT
No.A0569-8/106
Electrical Characteristics at Ta = -40 to +85
°C, VDD = 3.3V unless otherwise specified
Ratings
Parameter
Symbol
Pin
Conditions
min
typ
max
Unit
VOH1
RD3 to RD0, GD3 to GD0, BD3 to
BD0, BLK, and HFTOT outputs
VDD1 = 3.0V
IOH1 = -8mA
VDD1
-0.8
V
VOH2
A0 to A19, CE, and OE
VDD3 = 3.0V
IOH2 = -8mA
VDD3
-0.8
V
Output high-level
voltage
VOH3
A0 to A19, CE, and OE
VDD3 = 4.5V
IOH3 = -8mA
VDD3
-0.8
V
VOL1
RD3 to RD0, GD3 to GD0, BD3 to
BD0, BLK, and HFTOT outputs
VDD1 = 3.0V
IOL1 = 8mA
0.4
V
VOL2
A0 to A19, CE, and OE
VDD3 = 3.0V
IOL2 = 8mA
0.4
V
Output low-level
voltage
VOL3
A0 to A19, CE, and OE
VDD3 = 4.5V
IOL3 = 8mA
0.4
V
IIH1
CTRL1, TEST1, TEST2
SCLK, SIN, CS, VSYNC, HSYNC,
RST
VIN = VDD1
10
A
IIH2
D0 to D15
VIN = VDD3
10
A
IIL1
CTRL1, TEST1, TEST2
SCLK, SIN, CS, VSYNC, HSYNC
VIN = VSS
-10
A
Input current
IIL2
D0 to D15
VIN = VSS
-10
A
IDD1
VDD1
All outputs open
OSCin: 20MHz
25
mA
IDD2
VDD2
D/A on
22
mA
IDD3
VDD3
10
mA
Operating current
drain
IDD4
VDD4
VCO on
22
mA
CLK
Clock frequency
20
MHz
V max
Maximum output voltage
VDD2 = 3.3V
0.25
1.5
V
D/A converter
V min0
Minimum output voltage
VDD2 = 3.3V
0
V
Timing Characteristics
OSD Write (See figure 1.) at Ta = -40 to +85°C, VDD1 = 3.3V ± 0.3V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
tw(sclk)
SCLK
200
ns
Minimum input pulse width
tw(cs)
CS (The period CS is high)
1
s
tsu(cs)
CS
200
ns
Data setup time
tsu(sin)
SIN
200
ns
th(cs)
CS
2
s
Data hold time
th(sin)
SIN
200
ns
tword
The time to write 8 bits of data
4.2
s
One word write time
twt
RAM data write time
1
s
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