1894KI-40LF IDT, 1894KI-40LF Datasheet - Page 48

• Manufacturer Part Number: 1894KI-40LF
• Description: Ethernet ICs 3.3V 10/100 PHY RMII
• Manufacturer: IDT

Specifications of 1894KI-40LF

• Rohs: yes
• Part # Aliases: ICS1894KI-40LF

10Base-T: Jabber Timing
10Base-T Jabber Timing Diagram
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
TXEN
TP_TX
COL
The table below lists the significant time periods for the 10Base-T jabber. The time periods consist of timings of
signals on the following pins:
•
•
•
The 10Base-T Jabber Timing Diagram shows the timing diagram for the time periods.
Note: For more information on 10Base-T jabber operations, see the section, “10Base-T Operation: Jabber”.
Period
Time
TXEN
TP_TX (that is, TP_TXP and TP_TXN)
COL
t1
t2
Jabber Activation Time
Jabber De-Activation Time
Parameter
t1
10Base-T Half Duplex
10Base-T Half Duplex
Conditions
48
t2
Min.
300
20
Typ.
–
–
ICS1894-40
Max. Units
325
35
PHYCEIVER
ms
ms
REV K 022412