1893YI-10LFT IDT, 1893YI-10LFT Datasheet - Page 138

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

Specifications of 1893YI-10LFT

• Rohs: yes
• Part # Aliases: ICS1893YI-10LFT

10.5.12 MII / 100M Stream Interface: Transmit Latency
ICS1893 Rev C 6/6/00
TXEN
TXCLK
TXD
TP_TX
Table 10-19
periods consist of timings of signals on the following pins:
•
•
•
•
Figure 10-13
Table 10-19. MII / 100M Stream Interface Transmit Latency
† The IEEE maximum is 18 bit times.
Figure 10-13.
Period
†
unscrambled.
Time
TXEN
TXCLK
TXD (that is, TXD[3:0])
TP_TX (that is, TP_TXP and TP_TXN)
Shown
t1
t2
ICS1893 Data Sheet - Release
†
TXEN Sampled to MDI Output of First
Bit of /J/ †
TXD Sampled to MDI Output of First
Bit of /J/ †
lists the significant time periods for the MII / 100 Stream Interface transmit latency. The time
shows the timing diagram for the time periods.
Preamble /J/
MII / 100M Stream Interface Transmit Latency Timing Diagram
Parameter
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
Preamble /K/
t1
t2
138
MII mode
100M Stream Interface
Conditions
Chapter 10 DC and AC Operating Conditions
Min.
–
–
Typ. Max.
2.8
6.1
3
7
Bit times
Bit times
June, 2000
Units