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參數(shù)資料
| 型號(hào)： | MC44BC374 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Multi-Standard or PAL/ NTSC Modulator with integrated antenna booster/splitter ICs |
| 中文描述： | 多制式或PAL / NTSC制式，集成天線的助推器調(diào)制器/分路器集成電路 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 635K |
| 代理商： | MC44BC374 |
18
MC44BC373/374 Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
High-Speed I
2
C Compatible Bus
13 High-Speed I
2
C Compatible Bus
13.1 Specification Conditions
Unless otherwise specified, the Vcc1=5.0V and the ambient temperature (TA) =25
o
C.
13.2 Timing Definitions
Figure 11. SSDA/SSCL Timing
Electrical Characteristics
Min
Typ
Max
Unit
Type
SDA/SCL output current at 0V
—
—
10
μ
A
V
A
SDA/SCL low input level
—
—
1.5
B
SDA/SCL high input level
SDA/SCL input current for input level from 0
.
4V to 0
.
3Vcc
3.0
—
—
V
μ
A
V
B
–
5
—
5
C
SDA/SCL input level
0
—
Vcc+0,3
D
SDA/SCL capacitance
—
—
10
pF
C
ACK low output level (sinking 3mA)
—
0,3
1
V
A
ACK low output level (sinking 15mA)
—
—
1.5
V
C
Timing Characteristics
Min
Typ
Max
Unit
Type
Bus clock frequency
0
—
800
kHz
C
Bus free time between stop and start
200
—
—
ns
C
Setup time for start condition
500
—
—
ns
C
Hold time for start condition
500
—
—
ns
C
Data setup time
0
—
—
ns
C
Data hold time
0
—
—
ns
C
Setup time for stop condition
500
—
—
ns
C
Hold time for stop condition
500
—
—
ns
C
Acknowledge propagation delay
—
—
300
ns
C
SDA fall time at 3ma sink I and 130pF load
—
—
50
ns
C
SDA fall time at 3ma sink I and 400pF load
—
—
80
ns
C
SDA rise time
SCL fall/rise time
—
—
—
—
300
300
ns
ns
C
C
Pulse width of spikes suppressed by the input filter
—
—
50
ns
C
Tbuf
SSDA
...
...
ACK
Thd;dat
Tsu;dat
Tsu;sto Thd;sta
Tack:low
Start
Stop
SSCL
SCL
SDA
Tsu;sta
Chip Address
SCL
SDA
Thd;sto
Start
Stop
F
n
.
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