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參數(shù)資料
| 型號： | MPC953FA |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 953 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | 7 X 7 MM, LQFP-32 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 280K |
| 代理商： | MPC953FA |
5
MPC953
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
453
MR/OE
GNDO
Q0
VCCO
QFB
GNDO
PLL_EN
VCO_SEL
Q5
VCCO
Q6
GNDO
Q7
VCCO
Q1
VCCO
Q2
GNDO
Q3
VCCO
Q4
GNDO
VCCA
FB_CLK
NC
GNDI
PECL_CLK
25
26
27
28
29
30
31
32
15
14
13
12
11
10
9
123456
78
24
23
22
21
20
19
18
17
16
MPC953
FUNCTION TABLES
BYPASS
Function
1
0
PLL Enabled
PLL Bypass
MR/OE
Function
1
0
Outputs Disabled
Outputs Enabled
Figure 2. 32–Lead Pinout (Top View)
PECL_CLK
VCO_SEL
Function
1
0
÷2
÷1
BYPASS
PLL_EN
Function
1
0
Select VCO
Select PECL_CLK
ABSOLUTE MAXIMUM RATINGS*
Symbol
Parameter
Min
Max
Unit
VCC
Supply Voltage
–0.3
4.6
V
VI
Input Voltage
–0.3
VCC + 0.3
V
IIN
Input Current
±20
mA
TStor
Storage Temperature Range
–40
125
°C
* Absolute maximum continuous ratings are those values beyond which damage to the device may occur. Exposure to these conditions or condi-
tions beyond those indicated may adversely affect device reliability. Functional operation under absolute–maximum–rated conditions is not im-
plied.
THERMAL CHARACTERISTICS
Proper thermal management is critical for reliable system operation. This is especially true for high fanout and high drive capa-
bility products. Generic thermal information is available for the Motorola Clock Driver products. The means of calculating die
power, the corresponding die temperature and the relationship to longterm reliability is addressed in the Motorola application
note AN1545.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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