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Intel manual 12.0 82555 Package Information, Symbol Description Min Norm Max

Models: 82555

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Networking Silicon — 82555

12.082555 Package Information

This section provides the physical packaging information for the 82555. The 82555 is an 100-pin plastic Quad Flat Pack (QFP) device. Package attributes are provided in Table 7 and the dimensions are shown in Figure 27.

	D	Seating
	D1		Plane
			Plane
			A1
		E
		E1
e	b	A
e	b	C
		C
Seating		Detail A
Seating
Plane	Y
	Y
	See Detail A	T	L1
			L1
			PC-3712

Figure 27. Dimension Diagram for the 82555 QFP

Table 7. Dimensions for the 82555 QFP

Symbol	Description	Min	Norm	Max

N	Lead Count	-	100	-

A	Overall Height	-	-	3.15

A1	Stand Off	0.05	-	0.40

b	Lead Width	0.20	0.30	0.40

c	Lead Thickness	0.10	0.15	0.20

D	Terminal Dimension	17.5	17.9	18.3

D1	Package Body	-	14.0	-

E	Terminal Dimension	23.5	23.9	24.3

E1	Package Body	-	20.0	-

e1	Lead Pitch	0.53	0.65	0.77

L1	Foot Length	0.60	0.80	1.00

Datasheet

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Intel manual 12.0 82555 Package Information, Symbol Description Min Norm Max

Contents

82555 10/100 Mbps LAN Physical Layer Interface Product FeaturesRevision Description Networking SiliconContents Repeater Mode Introduction Functional OverviewCompliance to Industry Standards Networking Silicon Architectural Overview 100 Mbps ModeMII TX Interface 10 Mbps ModeMedia Independent Interface MII Transmit Error From RIC Repeater mode onlyYes Pin Numbers and Labels Pin DefinitionsTwisted Pair Ethernet TPE Pins Clock PinsMedia Independent Interface MII Pins Pin TypesMedia Access Control/Repeater Interface Control Pins External Bias Pins LED PinsMiscellaneous Control Pins Power and Ground Pins VCCVSS Symbol 5B Symbol Code 4B Nibble Code 100BASE-TX Adapter Mode Operation100BASE-TX Transmit Clock Generation 100BASE-TX Transmit BlocksInvalid 2 100BASE-TX Scrambler and MLT-3 Encoder3 100BASE-TX Transmit Framing NRZ to MLT-3 Encoding Diagram100BASE-TX Receive Blocks Transmit DriverVendor Model/Type 100BASE-TX Collision Detection Combination Tx/T4 Auto-Negotiation Solution 100BASE-TX Link Integrity and Auto-Negotiation SolutionLink Integrity Auto-NegotiationAuto 10/100 Mbps Speed Selection Adapter Mode AddressesNetworking Silicon Datasheet 10BASE-T Transmit Clock Generation 10BASE-T Functionality in Adapter Mode10BASE-T Transmit Blocks 10BASE-T Receive Blocks10BASE-T Collision Detection 3 10BASE-T Error Detection and Reporting10BASE-T Link Integrity 10BASE-T Jabber Control Function10BASE-T Full Duplex Networking Silicon Datasheet Repeater Mode Special Repeater FeaturesConnectivity Clock Signal Example MDI Frame Structure Management Data InterfaceMDI Registers Bits Name Description DefaultMDI Registers 0 Transition10BASE-T Register 1 Status Register Bit DefinitionsRegister 2 82555 Identifier Register Bit Definitions MDI Registers 16 MDI Registers 8100BASE-TX Register 17 82555 Special Control Bit Definitions150 Actled Liled Register 22 Receive Symbol Error Counter Bit DefinitionsAuto-Negotiation Functionality Bit Setting TechnologyDescription Priority TechnologyPriority Parallel Detect and Auto-NegotiationAuto-Negotiation and Parallel Detect Networking Silicon Datasheet LED Descriptions Networking Silicon Datasheet Reset Reset and Miscellaneous Test ModesLoopback Scrambler BypassNumber Code Test Instruction Select Input to Tout Test Instruction CodingDC Characteristics Electrical Specifications and Timing ParametersAbsolute Maximum Ratings General Operating ConditionsTotal supply current 230 Leakage on analog pins 11.3.3 100BASE-TX Voltage/Current DC CharacteristicsAC Characteristics MII Clock SpecificationsSymbol Parameter Conditions Min Typ Max Units MII Clocks AC Timing MII Timing ParametersRXC tri-stated a Repeater Mode Timing ParametersSquelch Test Timing Parameters Transmit Packet Timing ParametersReceive Packet Timing Parameters Jabber Timing ParametersAuto-Negotiation Fast Link Pulse FLP Timing Parameters 11.4.8 10BASE-T Normal Link Pulse NLP Timing Parameters11.4.11 X1 Clock Specifications Reset Timing ParametersX1 Clock Specifications 11.4.12 100BASE-TX Transmitter AC Specification12.0 82555 Package Information Symbol Description Min Norm Max10.0