Networking Silicon — GD82559ER

Table 19. 100BASE-TX Voltage/Current Characteristics

VIDR100

Input Differential

 

 

 

±100

mV

 

Reject Peak Voltage

 

 

 

 

VICM100

Input Common Mode

 

 

VCC/2

 

V

 

Voltage

 

 

 

 

VOD100

Output Differential

 

0.95

1.00

1.05

V

 

Peak Voltage

 

 

ICCT100

Line Driver Supply

RBIAS100 = 619 Ω

 

20

 

mA

1

Peak Current

 

 

NOTES: Current is measured on all VCC pins (VCC = 3.3 V).

1.Transmitter peak current is attained by dividing the measured maximum differential output peak voltage by the load resistance value.

Rbias100

5850hm

619Ohm

650Ohm

 

 

 

 

19mA

20 mA

 

21mA

Icct100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 24. RBIAS100 Resistance Versus Transmitter Current

NOTES: Current is measured on all VCC pins (VCC = 3.3 V).

 

 

 

 

 

 

 

 

 

 

 

Table 20. 10BASE-T Voltage/Current Characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symbol

Parameter

Condition

 

 

Min

 

Typical

 

Max

 

Units

Notes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RID10

Input Differential

10 MHz

 

 

10

 

 

 

 

 

KΩ

 

 

Impedance

 

 

 

 

 

 

 

 

 

VIDA10

Input Differential

5 MHz f 10 MHz

 

±585

 

±440

 

±3100

 

mV

 

 

Accept Peak Voltage

 

 

 

 

 

 

VIDR10

Input Differential

5 MHz f 10 MHz

 

0

 

±440

 

±300

 

mV

 

 

Reject Peak Voltage

 

 

 

 

 

 

VICM10

Input Common Mode

 

 

 

 

 

VCC/2

 

 

 

V

 

 

Voltage

 

 

 

 

 

 

 

 

 

 

VOD10

Output Differential

RL = 100 Ω

 

 

2.2

 

 

 

2.8

 

V

 

 

Peak Voltage

 

 

 

 

 

 

 

 

ICCT10

Line Driver Supply

RBIAS10 = 549 Ω

 

 

 

48

 

 

 

mA

1

 

Peak Current

 

 

 

 

 

 

1.Transmitter peak current is attained by dividing the measured maximum differential output peak voltage by the load resistance value.

Datasheet

75

Page 81
Image 81
Intel GD82559ER manual BASE-T Voltage/Current Characteristics, Symbol Parameter, VCC/2

GD82559ER specifications

The Intel GD82559ER is a highly regarded network interface controller (NIC) designed for use in various computing environments, primarily for stable connectivity in both desktop and server applications. Released as part of the 82559 family of Ethernet controllers, the GD82559ER features advanced technologies that enhance performance, reliability, and manageability.

One of the standout features of the 82559ER is its ability to support both 10/100 Mbps Ethernet. This dual capability allows the controller to operate in a wide range of network settings, making it adaptable to legacy systems while also providing support for modern Ethernet standards. This versatility is crucial for organizations looking to maintain operational effectiveness without the need for immediate upgrades to their existing infrastructure.

The GD82559ER employs a PCI interface, which allows it to connect with various devices and motherboards easily, making it a go-to choice for manufacturers aiming for integration in their systems. It also includes features like Auto-Negotiation, enabling the NIC to automatically detect and select the appropriate speed and duplex mode for optimal performance. This capability is essential in dynamic networking environments, where devices from various generations coexist.

Power management is another critical aspect of the GD82559ER. The controller supports advanced power-saving features like PCI Power Management, reducing energy consumption during low-usage periods. This not only contributes to lower operational costs but also aligns with modern eco-friendly initiatives in technology.

Additionally, the GD82559ER comes equipped with advanced diagnostics and monitoring capabilities. This enhances the network's manageability by allowing administrators to track performance metrics and diagnose issues effectively. Through its onboard diagnostics, the controller aids in ensuring a stable network connection, allowing for timely interventions when issues arise.

The controller is also designed with a robust architecture that supports various operating systems, facilitating a broad implementation across different platforms. As a result, the GD82559ER has become a reliable option for system builders and enterprises focused on building dependable networking solutions.

Overall, the Intel GD82559ER is a versatile, high-performance network interface controller that continues to serve as a foundational component for computer systems that require efficient, reliable networking capabilities. Its combination of technologies and features makes it a popular choice in diverse computing environments.