1893AFLFT IDT, 1893AFLFT Datasheet - Page 124

• Manufacturer Part Number: 1893AFLFT
• Description: Ethernet ICs 3.3V 10/100 BASE TX INTEGRATED PHYCEIVER
• Manufacturer: IDT

Specifications of 1893AFLFT

• Rohs: yes
• Part # Aliases: ICS1893AFLFT

10.5.11 100M MII: Carrier Assertion/De-Assertion (Half-Duplex Transmission)
ICS1893AF, Rev D 10/26/04
Table 10-18
half-duplex transmission. The time periods consist of timings of signals on the following pins:
•
•
•
Figure 10-12
Table 10-18. 100M MII Carrier Assertion/De-Assertion (Half-Duplex Transmission Only)
Figure 10-12. 100M MII Carrier Assertion/De-Assertion Timing Diagram
TXEN
TXCLK
CRS
Period
Time
TXEN
TXCLK
CRS
t1
t2
ICS1893AF Data Sheet - Release
TXEN Sampled Asserted to CRS Assert
TXEN De-Asserted to CRS De-Asserted
lists the significant time periods for the 100M MII carrier assertion/de-assertion during
shows the timing diagram for the time periods.
(Half-Duplex Transmission Only)
t1
Copyright © 2004, Integrated Circuit Systems, Inc.
Parameter
All rights reserved.
124
t2
Chapter 10 DC and AC Operating Conditions
Condi-
tions
Min.
0
0
Typ.
3
3
Max.
4
4
October, 2004
Bit times
Bit times
Units