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521 - Pentium 4 521 2.8GHz 800MHz 1MB Socket 775 CPU
Intel 521 - Pentium 4 521 2.8GHz 800MHz 1MB Socket 775 CPU Manuals
Manuals and User Guides for Intel 521 - Pentium 4 521 2.8GHz 800MHz 1MB Socket 775 CPU. We have
1
Intel 521 - Pentium 4 521 2.8GHz 800MHz 1MB Socket 775 CPU manual available for free PDF download: Datasheet
Intel 521 - Pentium 4 521 2.8GHz 800MHz 1MB Socket 775 CPU Datasheet (96 pages)
Supporting Hyper-Threading Technology
Brand:
Intel
| Category:
Computer Hardware
| Size: 1.62 MB
Table of Contents
Table of Contents
3
Revision History
7
1 Introduction
11
Terminology
12
Processor Packaging Terminology
12
References
13
2 Electrical Specifications
15
FSB and GTLREF
15
Power and Ground Lands
15
Decoupling Guidelines
15
VCC Decoupling
16
FSB GTL+ Decoupling
16
FSB Clock (BCLK[1:0]) and Processor Clocking
16
Core Frequency to FSB Multiplier Configuration
16
Voltage Identification
17
Voltage Identification Definition
18
Phase Lock Loop (PLL) Power and Filter
19
Phase Lock Loop (PLL) Filter Requirements
19
Reserved, Unused, FC and TESTHI Signals
20
FSB Signal Groups
21
GTL+ Asynchronous Signals
22
Signal Characteristics
22
Signal Reference Voltages
22
Test Access Port (TAP) Connection
23
FSB Frequency Select Signals (BSEL[2:0])
23
BSEL[2:0] Frequency Table for BCLK[1:0]
23
Absolute Maximum and Minimum Ratings
24
Processor DC Specifications
24
Processor DC Absolute Maximum Ratings
24
Voltage and Current Specifications
25
VCC Static and Transient Tolerance for 775_VR_CONFIG_04A Processors
27
VCC Static and Transient Tolerance for 775_VR_CONFIG_04A
28
VCC Static and Transient Tolerance for 775_VR_CONFIG_04B Processors
29
VCC Static and Transient Tolerance for 775_VR_CONFIG_04B
30
GTL+ Asynchronous Signal Group DC Specifications
31
GTL+ Signal Group DC Specifications
31
PWRGOOD and TAP Signal Group DC Specifications
32
VTTPWRGD DC Specifications
32
BSEL [2:0] and VID[5:0] DC Specifications
32
BOOTSELECT DC Specifications
32
VCC Overshoot Specification
33
Die Voltage Validation
33
VCC Overshoot Example Waveform
33
VCC Overshoot Specifications
33
GTL+ FSB Specifications
34
GTL+ Bus Voltage Definitions
34
3 Package Mechanical Specifications
35
Package Mechanical Drawing
35
Processor Package Assembly Sketch
35
Processor Package Drawing 1
36
Processor Package Drawing 2
37
Processor Package Drawing 3
38
Processor Component Keep-Out Zones
39
Package Loading Specifications
39
Package Handling Guidelines
39
Processor Loading Specifications
39
Package Insertion Specifications
40
Processor Mass Specification
40
Processor Materials
40
Processor Markings
40
Processor Top-Side Marking Example
40
Processor Land Coordinates
41
Processor Top-Side Marking Example for Processors Supporting Intel
41
Em64T
41
Processor Land Coordinates (Top View)
42
4 Land Listing and Signal Descriptions
43
Processor Land Assignments
43
Landout Diagram (Top View - Left Side)
44
Landout Diagram (Top View - Right Side)
45
Alphabetical Land Assignments
46
Numerical Land Assignment
56
Alphabetical Signals Reference
66
Signal Description
66
5 Thermal Specifications and Design Considerations
75
Processor Thermal Specifications
75
Thermal Specifications
75
Processor Thermal Specifications
76
Thermal Profile for Processors with PRB = 1
77
Thermal Profile for Processors with PRB = 0
78
Thermal Metrology
79
Processor Thermal Features
79
Thermal Monitor
79
Case Temperature (TC) Measurement Location
79
Thermal Monitor 2
80
On-Demand Mode
81
Thermal Monitor 2 Frequency and Voltage Ordering
81
PROCHOT# Signal
82
THERMTRIP# Signal
82
TCONTROL and Fan Speed Reduction
82
Thermal Diode
83
Thermal Diode Parameters
83
Thermal Diode Interface
83
6 Features
85
Power-On Configuration Options
85
Clock Control and Low Power States
85
Power-On Configuration Option Signals
85
Normal State
86
HALT and Enhanced HALT Powerdown States
86
Halt Powerdown State
86
Stop-Grant State
87
Processor Low Power State Machine
87
Enhanced HALT Snoop or HALT Snoop State, Grant Snoop State
88
7 Boxed Processor Specifications
89
Mechanical Representation of the Boxed Processor
89
Mechanical Specifications
90
Boxed Processor Cooling Solution Dimensions
90
Space Requirements for the Boxed Processor (Side View)
90
Space Requirements for the Boxed Processor (Top View)
90
Boxed Processor Fan Heatsink Weight
91
Boxed Processor Retention Mechanism and Heatsink Attach Clip Assembly
91
Electrical Requirements
91
Fan Heatsink Power Supply
91
Space Requirements for the Boxed Processor (Overall View)
91
Boxed Processor Fan Heatsink Power Cable Connector Description
92
Fan Heatsink Power and Signal Specifications
92
Thermal Specifications
93
Boxed Processor Cooling Requirements
93
Baseboard Power Header Placement Relative to Processor Socket
93
Boxed Processor Fan Heatsink Airspace Keepout Requirements (Top View)
94
Boxed Processor Fan Heatsink Airspace Keepout Requirements (Side View)
94
Variable Speed Fan
95
Boxed Processor Fan Heatsink Set Points
95
Fan Heatsink Power and Signal Specifications
96
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