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參數(shù)資料
| 型號： | LC74982W |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP208 |
| 封裝： | SQFP-208 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 212K |
| 代理商： | LC74982W |
No. 7023-3/14
LC74982W
Control Signal Overview
Signal type
Pin No.
Pin
Description
Notes
172
AICS
Chip select
Three-wire bus
173
AIDA
Data bus
174
AICK
Bus clock
175
SDA
Data bus
I2C-bus
176
SCL
Bus clock
Used for OSD control and γ correction
characteristics settings.
Used to set the internal control registers and to
output internal status information.
The slave address is “0111000+ (R/W)”.
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
–0.3 to +4.6
V
Input voltage
VI
–0.5 to + 5.5
V
Output voltage
VO
–0.3 to VDD + 0.3
V
Allowable power dissipation
Pd max
Ta = 70°C
0.9
W
Storage temperature
Tstg
–55 to +125
°C
Operating temperature
Topr
–30 to +70
°C
Specifications
Absolute Maximum Ratings at VSS = 0 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
VDD
3.0
3.3
3.6
V
Input voltage range
VIN
0—
5.5
V
Allowable Operating Ranges at Ta = –30 to +70°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input pins
CIN
f = 1 MHz
—
10
pF
Output pins
COUT
f = 1 MHz
—
10
pF
Bidirectional pins
CI/O
f = 1 MHz
—
10
pF
I/O Pin Capacitances at Ta = 25°C, VDD = VI = 0 V
Note: While the standard operating temperature is –30 to +70°C, for applications such as automotive applications, it can also be used over the range –40 to
+85°C. Note, however, that the value of the allowable power dissipation differs somewhat between these two cases. Contact your SANYO
representative for details if you need to use this device with the latter (wider) operating temperature range.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input high-level voltage
VIH
CMOS level
0.7 VDD
——
V
CMOS level Schmitt
0.75 VDD
——
V
Input low-level voltage
VIL
CMOS level
—
0.2 VDD
V
CMOS level Schmitt
—
0.15 VDD
V
Input high-level current
IIH
VI = VDD
–10
—
+10
A
VI = VDD, with pull-down resistors attached.
10
—
100
A
Input low-level current
IIL
VI = VSS
–10
—
+10
A
Type B4, IOH = –2 mA
VDD – 0.8
—
V
Output high-level voltage
VOH
Type B8, IOH = –4 mA
VDD – 0.8
—
V
Type B12, IOH = –6 mA
VDD – 0.8
—
V
Type B4, IOL = 2 mA
—
0.4
V
Output low-level voltage
VOL
Type B8, IOL = 4 mA
—
0.4
V
Type B12, IOL = 6 mA
—
0.4
V
Output leakage current
IOZ
In the high-impedance output state
–10
—
+10
A
Pull-down resistance
RDN
35
70
140
k
Quiescent current*
IDD
Outputs open, VI = VSS or VDD
——
100
A
DC Characteristics at Ta = –30 to +70°C, VDD = 3.0 to 3.6 V
Note: * Certain of the input pins include built-in pull-down resistors. The quiescent current drain cannot be guaranteed in certain situations due to the
structure of these circuits.
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