ICS1893AF IDT, Integrated Device Technology Inc, ICS1893AF Datasheet - Page 16

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ICS1893AF

Manufacturer Part Number
ICS1893AF
Description
PHYCEIVER LOW PWR 3.3V 48-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Series
PHYceiver™r
Type
PHY Transceiverr
Datasheet

Specifications of ICS1893AF

Protocol
MII
Voltage - Supply
3.14 V ~ 3.47 V
Mounting Type
Surface Mount
Package / Case
48-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Drivers/receivers
-
Other names
1893AF

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Chapter 4 Overview of the ICS1893AF
ICS1893AF, Rev D 10/26/04
The ICS1893AF is a stream processor. During data transmission, it accepts sequential nibbles from its
MAC (Media Access Control) converts them into a serial bit stream, encodes them, and transmits them
over the medium through an external isolation transformer. When receiving data, the ICS1893AF converts
and decodes a serial bit stream (acquired from an isolation transformer that interfaces with the medium)
into sequential nibbles. It subsequently presents these nibbles to its MAC Interface.
The ICS1893AF implements the OSI model’s physical layer, consisting of the following, as defined by the
ISO/IEC 8802-3 standard:
The ICS1893AF is transparent to the next layer of the OSI model, the link layer. The link layer has two
sublayers: the Logical Link Control sublayer and the MAC sublayer. The ICS1893AF can interface directly
to the MAC.
The ICS1893AF transmits framed packets acquired from its MAC Interface and receives encapsulated
packets from another PHY, which it translates and presents to its MAC Interface.
Note:
Physical Coding sublayer (PCS)
Physical Medium Attachment sublayer (PMA)
Physical Medium Dependent sublayer (PMD)
Auto-Negotiation sublayer
ICS1893AF Data Sheet - Release
As per the ISO/IEC standard, the ICS1893AF does not affect, nor is it affected by, the underlying
structure of the MAC/repeater frame it is conveying.
Copyright © 2004, Integrated Circuit Systems, Inc.
All rights reserved.
16
Chapter 4 Overview of the ICS1893AF
October, 2004

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