82563EB Datasheet, PDF(29/52 Page) Intel Corporation – Intel® 82563EB/82564EB Gigabit Ethernet Controllers

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82563EB Datasheet, PDF (29/52 Pages) Intel Corporation – Intel® 82563EB/82564EB Gigabit Ethernet Controllers

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82563EB/82564EB Gigabit Platform LAN Connect Networking Silicon

3.3 V

1.9 V

1.2 V

Tdelay

Figure 4. 82563EB/82564EB power up sequencing with internal regulators

4.4.4.2

Internal LVR Power down Sequencing

There are no specific power down sequencing and tracking requirements for the 82563EB/

82564EB device. The risk of latch-up or electrical overstress is small because only the only charge

storing in decoupling capacitors is left in the system.

4.4.4.3

82563EB/82564EB BOM for Internal Voltage Regulators

Table 22. 82563EB/82564EB BOM (Bill of Material) of Components for Internal Regulator

Description

Quantity

Recommended Component

Manufacturer

Part Number

Package

PNP Transistor

For 1.2V LVR

PNP Transistor

For 1.9V LVR

Philips

BCP-69-16

SOT-223

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