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USB2512B-AEZG 参数 Datasheet PDF下载

USB2512B-AEZG图片预览
型号: USB2512B-AEZG
PDF下载: 下载PDF文件 查看货源
内容描述: USB 2.0高速集线器控制器 [USB 2.0 Hi-Speed Hub Controller]
分类和应用: 外围集成电路控制器PC时钟
文件页数/大小: 72 页 / 1689 K
品牌: SMSC [ SMSC CORPORATION ]
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USB 2.0 Hi-Speed Hub Controller  
Datasheet  
Chapter 9 DC Parameters  
9.1  
Maximum Guaranteed Ratings  
PARAMETER  
SYMBOL  
MIN  
MAX  
UNITS  
COMMENTS  
Storage  
Temperature  
TSTOR  
-55  
150  
°C  
Lead  
Temperature  
Refer to JEDEC Specification J-STD-  
020D.  
VDD33  
PLLFILT  
CRFILT  
3.3 V supply  
voltage  
4.6  
V
Applies to all parts.  
Voltage on any  
I/O pin  
-0.5  
-0.5  
-0.5  
5.5  
4.0  
2.5  
V
V
V
Voltage on  
XTALIN  
Voltage on  
XTALOUT  
Note 9.1 Stresses above the specified parameters could cause permanent damage to the device.  
This is a stress rating only and functional operation of the device at any condition above  
those indicated in the operation sections of this specification is not implied.  
Note 9.2 When powering this device from laboratory or system power supplies, it is important that  
the absolute maximum ratings not be exceeded or device failure can result. Some power  
supplies exhibit voltage spikes on their outputs when the AC power is switched on or off.  
In addition, voltage transients on the AC power line may appear on the DC output. When  
this possibility exists, it is suggested that a clamp circuit be used.  
9.2  
Operating Conditions  
PARAMETER  
SYMBOL  
MIN  
MAX  
UNITS  
COMMENTS  
Commercial  
Operating  
Temperature  
TA  
0
70  
°C  
Ambient temperature in still air.  
Only applies to USB251x, USB251xA,  
and USB251xB products.  
Industrial  
Operating  
Temperature  
TAI  
-40  
85  
°C  
Ambient temperature in still air.  
Only applies to USB251xi,  
USB251xAi, and USB251xBi  
products.  
3.3 V supply voltage  
VDD33  
tRT  
3.0  
0
3.6  
V
Applies to all parts.  
See Figure 9.1  
3.3 V supply rise  
time  
400  
μs  
Voltage on any I/O  
pin  
-0.3  
5.5  
V
If any 3.3 V supply voltage drops  
below 3.0 V, then the MAX becomes:  
(3.3 V supply voltage) + 0.5  
Voltage on XTALIN  
Revision 1.0 (3-11-09)  
-0.3  
VDD33  
V
60  
SMSC USB251x  
DATASHEET  
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