3

Contents

Contents

1

Introduction.................................................................................................................................... 7

1.1

About This Document ........................................................................................................... 7

1.2

Product Overview ................................................................................................................. 7

2

Signal Description ......................................................................................................................... 8

2.1

On Die Termination (ODT).................................................................................................... 8

2.2

PCI Express Interface ......................................................................................................... 10

2.3

PCI Bus Interface (Two Instances) ..................................................................................... 10

2.4

PCI Bus Interface 64-Bit Extension (Two Interfaces) ......................................................... 12

2.5

PCI Bus Interface Clocks and, Reset and Power Management (Two Interfaces) .............. 13

2.6

Interrupt Interface (Two Interfaces) .................................................................................... 13

2.7

Reset Straps ....................................................................................................................... 13

2.8

SMBus Interface ................................................................................................................. 15

2.9

Miscellaneous Pins ............................................................................................................. 15

3

Electrical and Thermal Characteristics ..................................................................................... 17

3.1

DC Voltage and Current Specifications .............................................................................. 17

3.2

AC Specifications................................................................................................................ 25

3.3

Voltage Filter Specifications ...............................................................................................27

3.4

VCC15 and VCC33 Voltage Requirements ........................................................................ 27

3.5

Timing Specifications .......................................................................................................... 28

3.6

41210 Bridge Power Consumption ..................................................................................... 36

3.7

Power Delivery Guidelines.................................................................................................. 37

3.8

Reference and Compensation Pins .................................................................................... 37

3.9

Thermal Specifications .......................................................................................................38

4

Package Specification and Ballout ............................................................................................ 40

4.1

Package Specification ........................................................................................................40

4.2

Ball Map .............................................................................................................................. 42

4.3

Signal List, sorted by Ball Location ..................................................................................... 44

4.4

Signal List, sorted by Signal Name ..................................................................................... 48

Figures

1

Minimum Transmitter Timing and Voltage Output Compliance Specification............................. 22

2

Compliance Test/Measurement Load.........................................................................................23

3

Minimum Receiver Eye Timing and Voltage Compliance Specification .....................................23

4

Voltage Requirements VCC33 versus VCC15 ........................................................................... 27

5

PCI Output Timing ...................................................................................................................... 31

6

PCI Input Timing .........................................................................................................................31

7

PCI-X 3.3V Clock Waveform ......................................................................................................33

8

41210 Bridge Reference and Compensation Circuit Implementations ....................................... 38

9

41210 Bridge Package Dimensions (Top View) ......................................................................... 40

10

41210 Bridge Package Dimensions (Side View) ........................................................................ 41