1893AFLF IDT, 1893AFLF Datasheet - Page 28

• Manufacturer Part Number: 1893AFLF
• Description: Ethernet ICs 3.3V 10/100 BASE TX INTEGRATED PHYCEIVER
• Manufacturer: IDT
• Type: Integrated PHY Transceiverr

Specifications of 1893AFLF

• Rohs: yes
• Product: Ethernet Transceivers
• Data Rate: 10 Mb/s, 100 Mb/s
• Supply Voltage - Max: 3.47 V
• Supply Voltage - Min: 3.14 V
• Maximum Operating Temperature: + 70 C
• Package / Case: SSOP-48
• Ethernet Connection Type: 100Base-TX, 10Base-T
• Maximum Supply Current: 160 mA
• Minimum Operating Temperature: 0 C
• Standard Supported: 802.3
• Part # Aliases: ICS1893AFLF

6.3.2 Twisted-Pair Receiver Interface
ICS1893AF, Rev D 10/26/04
ICS1893AF
Figure 6-2
•
•
•
Note:
1. Keep leads as short as possible.
2. Install the resistor network as close to the ICS1893AF as possible.
Figure 6-2. ICS1893AF Receiver Twisted Pair
Two 56.2
capacitor.
No bypass capacitor is used with the receive transformer center tap.
A 4.7-pF capacitor must be included across the ICS1893AF side of the receive transformer.
TP_RXN 19
TP_RXP 18
ICS1893AF Data Sheet - Release
shows the design for the ICS1893AF twisted-pair receiver interface.
1% resistors are in series, with the center bypassed to ground with a 0.1- F bypass
4.7 pF
Copyright © 2004, Integrated Circuit Systems, Inc.
56.2 1%
56.2 1%
All rights reserved.
System Ground Plane
28
0.1 F
Center
Tap
1:1
Chassis Ground Plane
Chapter 6 Interface Overviews
75
0.1 F 2 kV
Separate Ground
Plane
To RJ-45
October, 2004