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82543250, 82544, 82544EI

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Info of 82543250
Info of 82544
Info of 82544EI

82543250, 82544, 82544EI Selling Leads, Datasheet

MFG:86200 Package Cooled:WE D/C:09+

82543250, 82544, 82544EI Datasheet download

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Part Number: 82543250

MFG: 86200

Package Cooled: WE

D/C: 09+

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82544EI General Description

The 82544EI Gigabit Ethernet Controller is an integrated third-generation Ethernet LAN component capable of providing 1000, 100, and 10 Mbps data rates. It is a single-chip device, containing both the MAC and PHY layer functions, and optimized for LAN on Motherboard (LOM) designs, enterprise networking, and Internet appliances that use the Peripheral Component Interconnect (PCI) and PCI-X bus backplanes.

The 82544EI utilizes a 32/64 bit, 33/66 MHz direct interface to the PCI bus, compliant with the PCI Local Bus Specification, Revision 2.2. It also supports the emerging PCI-X extension to the PCI Local Bus, Revision 1.0a. The controller interfaces with the host processor through on-chip command and status registers and a shared host memory area, which is set up during initialization.

The 82544EI Gigabit Ethernet Controller provides a highly optimized architecture to deliver high performance and PCI/PCI-X bus efficiency. Its hardware, acceleration features enable offloading of various tasks, such as TCP/UDP/ IP checksum calculations and TCP segmentation, from the host processor. The 82544EI device accommodates highly-configurable Ethernet designs, which require minimal CPU overhead from interrupts and register accesses.

The physical layer circuitry provides an IEEE 802.3 Ethernet interface for 1000BASE-T, 100BASE-TX and 10BASE-T applications. With the addition of an appropriate serializer/ deserializer (SERDES), the 82544EI controller also provides an Ethernet interface for 1000BASESX or 1000BASE-LX applications.

The 82544EI Gigabit Ethernet Controller is packaged in a 27 mm x 27 mm, 416-ball grid array.

82544EI Maximum Ratings

Symbol	Parameter	Min	Max	Units
V_DD(3.3)	DC supply voltage on VDDD or AVDDH with respect to V_SS	V_SS - 0.5	4.6	V
V_DD(2.5)	DC supply voltage on AVDDL with respect to V_SS	V_SS- 0.5	4.6 or V_DD(2.5) + 0.5 (whichever is less)^b	V
V_DD(1.8)	DC supply voltage on DVDDH with respect to V_SS	V_SS - 0.5	4.6 or V_DD(2.5) + 0.5 (whichever is less)^b	V
V_DD(1.5)	DC supply voltage on DVDDL with respect to VSS	V_SS - 0.5	.6 or V_DD(2.5) + 0.5 (whichever is less)^b	V
V_DD	DC supply voltage	V_SS - 0.5	4.6	V
V_I V_O	LVTTL input voltage	V_SS - 0.5	4.6	V
V_I/ V_O	5 V compatible input voltage	V_SS - 0.5	6.6	V
I_O	DC output current (by cell type): I_OL = 1mA I_OL = 2 mA I_OL = 3 mA I_OL = 6 mA I_OL = 9 mA I_OL = 12 mA I_OL = 18 mA I_OL = 24 mA		3 7 10 20 30 40 60 75	mA
T_STG	Storage temperature range	-40	125
	ESD per MIL_STD-883 Test Method 3015, Specification 2001V Latchup Over/Undershoot: ±150 mA, 125 C		V_DDoverstress: V_DD(3.3)(7.2 V)	V

a. Permanent device damage is likely to occur if the ratings in this table are exceeded. These values should not be used as the limits for normal device operations.
b. This specification applies to biasing the device to a steady state for an indefinite duration. During normal device owerup, explicit power sequencing is not required.

82544EI Features

Full IEEE 802.3ab compliant -Auto-Negotiation of speed, duplex, and flow control configuration
32/64-bit 33/66 MHz, PCI Rev 2.2 compliant host interface
Host interface compliant to the PCI-X addendum, revision 1.0a, from 50 MHz to 133 MHz
Offers both hardware and software based IEEE 802.3z Auto-Negotiation and Link
Setup for Ten-Bit Interface (TBI) mode
Internally implements IEEE 802.3 MII management interface for monitoring and control of the internal PHY
Offers an external link interface: TBI as specified in IEEE 802.3z standard for 1000 Mb/s full duplex operation with 1.25 Gb/s SERDES
Receive and transmit IP and TCP/UDP checksum offloading capabilities
Automatic MDI crossover operation for 100BASE-TX and 10BASE-T modes
IEEE 802.1q VLAN support
Implements enhanced ACPI register set and power down functionality supporting D0 and D3 states, Wake on LAN capability with Power Management Event support

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