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參數(shù)資料
| 型號： | LC74772V |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO24 |
| 封裝： | SSOP-24 |
| 文件頁數(shù)： | 10/17頁 |
| 文件大小： | 173K |
| 代理商： | LC74772V |
No. 5159-2/17
LC74772V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
VDD
2.7
5.0
5.5
V
Input high-level voltage
VIH
CTRL1, TESTIN, CS, SCLK, SIN, OUTMOD, HSYNC,
0.8 VDD
VDD + 0.3
V
VSYNC, RST
Input low-level voltage
VIL
CTRL1, TESTIN, CS, SCLK, SIN, OUTMOD, HSYNC,
VSS – 0.3
0.2 VDD
V
VSYNC, RST
Oscillator frequency
FOSC
OSCIN, OSCOUT (LC oscillator)
6
(8)
10
MHz
Allowable Operating Ranges at Ta = –30 to +70°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
CKOUT, CHA4, BLK4, CHA3, BLK3, B, G, R, BLANK:
Output high-level voltage
VOH
VDD = 5.5 to 4.5 V (VDD = 4.4 to 2.7 V), IOH = –1.0 mA
0.9 VDD
V
(–0.5 mA)
CKOUT, CHA4, BLK4, CHA3, BLK3, B, G, R, BLANK:
Output low-level voltage
VOL
VDD = 5.5 to 4.5 V (VDD = 4.4 to 2.7 V), IOL = 1.0 mA
0.1 VDD
V
(0.5 mA)
IIH
CTRL1, TESTIN, CS, SCLK, SIN, OUTMOD, HSYNC,
1
A
Input current
VSYNC: VIN = VDD
IIL
CTRL1, TESTIN, HSYNC, VSYNC: VIN = VSS
–1
A
Operating current drain
IDD
VDD pin; all outputs open, LC oscillator: 8 MHz
10
mA
Electrical Characteristics at Ta = –30 to +70°C, unless otherwise specified VDD = 5 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Minimum input pulse width
tW (SCLK)
SCLK
200
ns
tW (CS)
CS (the period that CS is high)
1
s
Data setup time
tSU (CS)
CS
200
ns
tSU (SIN)
SIN
200
ns
Data hold time
th (CS)
CS
2
s
th (SIN)
SIN
200
ns
One-word write time
tword
The time to write 8 bits of data
4.2
s
twt
The RAM data write time
1
s
Timing Characteristics at Ta = –30 to +70°C, VDD = 5 ± 0.5 V
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