ICS1893BFILFT IDT, Integrated Device Technology Inc, ICS1893BFILFT Datasheet - Page 104
ICS1893BFILFT
Manufacturer Part Number
ICS1893BFILFT
Description
PHYCEIVER LOW PWR 3.3V 48-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Series
PHYceiver™r
Type
PHY Transceiverr
Specifications of ICS1893BFILFT
Protocol
MII
Voltage - Supply
3.14 V ~ 3.47 V
Mounting Type
Surface Mount
Package / Case
48-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Drivers/receivers
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
1893BFILFT
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8.3.2 Transformer Interface Pins
ICS1893BF, Rev. F, 5/13/10
Table 8-11. ICS1893BK Configuration Pins
Transformer connections on the ICS1893BK signals TP_AP, TP_AN, TP_BP and TP_BN are shown in
Table 8-12. The previous TP_CT pin used on the ICS1893AF is not used with the ICS1893BK. The typical
Twisted Pair Transformers connections are shown in Chapter 5. The transformer must be 1:1 ratio and
symetrical for 10/100 MDI/MDIX applications since the transmit twisted pair and receive twisted pair are
interchangeable. ICS1893 PHYs do not have power connections to the Transformer. All transformer power
is supplied by the ICS1893BK.
Note the twisted pairs are polarity sensitive and must connect to the RJ45 with the same polarity as shown
in the figure. Pay particular attention to polarity of the the “B” pair being reversed in pad sequence.
Table 8-12. ICS1893BK Transformer Interface Pins
ICS1893BF Data Sheet - Release
Signal Name
Signal Name
REF_OUT
RESETn
REF_IN
TP_AN
TP_BN
TP_AP
TP_BP
Pin No.
Pin No.
47
46
17
4
5
9
8
Copyright © 2009, IDT, Inc.
All rights reserved.
104
Signals Description
Frequency Ref Input: 25MHz Clock or Crystal
Frequency Ref Output for Crystal
System Reset (active low)
Twisted Pair A Negative
Twisted Pair B Negative
Signals Description
Twisted Pair A Positive
Twisted Pair B Positive
Chapter 8 Pin Diagram, Listings, and Descriptions
May, 2010
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