參數(shù)資料
型號： PC8245
廠商： Atmel Corp.
英文描述： Integrated Processor Family
中文描述： 綜合處理器系列
文件頁數(shù)： 58/61頁
文件大?。?/td> 429K
代理商： PC8245
i
PC8245
2171D–HIREL–06/04
Table of Contents
Features ................................................................................................1
Description ...........................................................................................1
Screening/Quality/Packaging ............................................................. 1
General Description .............................................................................2
Block Diagram ......................................................................................................2
General Parameters ............................................................................................. 3
Features ................................................................................................................3
Pinout Listing ........................................................................................................6
Electrical and Thermal Characteristics ...............................................................11
DC Electrical Characteristics ..................................................................... 11
Absolute Maximum Ratings ................................................................................11
Recommended Operating Conditions .................................................................12
Thermal Characteristics ......................................................................................14
Thermal Management Information............................................................. 15
Internal Package Conduction Resistance .................................................. 18
Adhesives and Thermal Interface Materials ............................................... 18
Power Characteristics .........................................................................................22
DC Electrical Characteristics ............................................................23
Static Characteristics...........................................................................................23
Output Driver Characteristic ...............................................................................24
AC Electrical Characteristics ..............................................................................24
Clock AC Specifications ............................................................................. 25
Input AC Timing Specifications .................................................................. 31
Output AC Timing Specification ................................................................. 33
I
2
C AC Timing Specifications...................................................................... 36
EPIC Serial Interrupt Mode AC Timing Specifications ............................... 40
IEEE 1149.1 (JTAG) AC Timing Specifications......................................... 41
Package Description .........................................................................43
Package Parameters for the PC8245 .................................................................43
Pin Assignments and Package Dimensions .......................................................44
PLL Configuration ...............................................................................................45
System Design Information .................................................................................49
PLL Power Supply Filtering........................................................................ 49
Power Supply Sizing.................................................................................. 49
Decoupling Recommendations.................................................................. 49
Connection Recommendations .................................................................. 50
Pull-up/Pull-down Resistor Requirements ................................................. 50
PCI Reference Voltage – LV
DD
.................................................................. 51
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