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CDC9841DW 参数 Datasheet PDF下载

CDC9841DW图片预览
型号: CDC9841DW
PDF下载: 下载PDF文件 查看货源
内容描述: PC主板时钟合成器/驱动器,具有三态输出 [PC MOTHERBOARD CLOCK SYNTHESIZER/DRIVER WITH 3-STATE OUTPUTS]
分类和应用: 晶体驱动器时钟发生器微控制器和处理器外围集成电路光电二极管输出元件PC
文件页数/大小: 9 页 / 135 K
品牌: TI [ TEXAS INSTRUMENTS ]
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CDC9841  
PC MOTHERBOARD CLOCK SYNTHESIZER/DRIVER  
WITH 3-STATE OUTPUTS  
SCAS458D – DECEMBER 1994 – REVISED APRIL 1996  
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)  
Supply voltage range, V  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 4.6 V  
CC  
Input voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 4.6 V  
I
Voltage range applied to any output in the high state or power-off state,  
V
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to V  
+ 0.5 V  
CC  
O
Current into any output in the low state, I  
Input clamp current, I (V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 mA  
Output clamp current, I  
Maximum power dissipation at T = 55°C (in still air) (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 W  
Storage temperature range, T  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
I
O
OHmax  
IK  
OK  
I
(V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA  
O
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C  
stg  
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.  
2. The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 750 mils.  
Formoreinformation,refertothePackageThermalConsiderationsapplicationnoteinthe1994ABTAdvancedBiCMOSTechnology  
Data Book, literature number SCBD002B.  
recommended operating conditions (see Note 3)  
MIN  
3.135  
2
MAX  
UNIT  
V
CC  
V
IH  
V
IL  
V
I
Supply voltage  
3.6  
V
V
V
V
High-level input voltage  
Low-level input voltage  
Input voltage  
0.8  
0
V
CC  
REF0  
12  
–8  
–6  
12  
–4  
12  
8
REF1  
I
High-level output current  
PCLKn  
mA  
OH  
OL  
BCLKn  
CLK24, CLK12  
REF0  
REF1  
I
Low-level output current  
PCLKn  
6
mA  
BCLKn  
12  
4
CLK24, CLK12  
T
A
Operating free-air temperature  
0
70  
°C  
NOTE 3: Unused inputs must be held high or low to prevent them from floating.  
4
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