1893Y-10LFT IDT, 1893Y-10LFT Datasheet - Page 105
![no-image](/images/no-image-200.jpg)
1893Y-10LFT
Manufacturer Part Number
1893Y-10LFT
Description
Ethernet ICs 3.3V 10/100 BASE TX INTEGRATED PHYCEIVER
Manufacturer
IDT
Datasheet
1.1893Y-10LFT.pdf
(152 pages)
Specifications of 1893Y-10LFT
Rohs
yes
Part # Aliases
ICS1893Y-10LFT
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9.3 ICS1893 Pin Descriptions
9.3.1 Transformer Interface Pins
ICS1893 Rev C 6/6/00
The tables in this section list the ICS1893 pins by their functional grouping.
Table 9-2
Table 9-2.
TP_RXN
TP_RXP
TP_TXN
TP_TXP
Name
ICS1893 - Release
Pin
lists the pins for the transformer interface group of pins.
Transformer Interface Pins
Number
Pin
14
13
6
5
Output
Output
Type
Input
Input
Pin
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
Twisted-Pair Receive (Data) Negative.
Within this table, see the description at the TP_RXP pin.
Twisted-Pair Receive (Data) Positive.
Data reception of differential analog signals occurs over the TP_RXN
and TP_RXP pair of differential-signal pins. Together these pins
receive the serial bit stream from the UTP cable through an isolation
transformer.
Depending on the operating mode of the remote link partner, the
received data is one of the following types of signals:
The TP_RXN and TP_RXP pins interface directly to an isolation
transformer, which in turn, interfaces with the UTP cable.
Twisted-Pair Transmit (Data) Negative.
Within this table, see the description at the TP_TXP pin.
Twisted-Pair Transmit (Data) Positive.
Differential analog signal transmission occurs over the TP_TXN and
TP_TXP pair of pins. Together these pins drive the serial bit stream
over the UTP cable.
Depending on the operating mode of the ICS1893 MDI, the
current-driven differential driver produces one of the following types of
signals:
The TP_RXN and TP_RXP pins interface directly to an isolation
transformer, which in turn, drives the UTP cable.
•
•
•
•
Two-level 10Base-T (that is, Manchester-encoded) signals
Three-level 100Base-TX, (that is, MLT-3 encoded) signals
Two-level 10Base-T (that is, Manchester-encoded) signals
Three-level 100Base-T (that is, MLT-3 encoded) signals
105
Chapter 9 Pin Diagram, Listings, and Descriptions
Pin Description
June, 2000
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