1894K-40LF IDT, 1894K-40LF Datasheet - Page 43

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

Specifications of 1894K-40LF

• Rohs: yes
• Part # Aliases: ICS1894K-40LF

100M MII Media Independent Interface: Receive Latency
100M MII/100M Stream Interface: Receive Latency Timing Diagram
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
TP_RX
RXCLK
RXD
†
unscrambled.
Shown
The table below lists the significant time periods for the 100M MII/100M Stream Interface receive latency. The time
periods consist of timings of signals on the following pins:
•
•
•
The 100M MII/100M Stream Interface: Receive Latency Timing Diagram shows the timing diagram for the time
periods.
Period
†
Time
TP_RX (that is, TP_RXP and TP_RXN)
RXCLK
RXD (that is, RXD[3:0])
t1
First Bit of /J/ into TP_RX to /J/ on RXD
Parameter
t1
Conditions
100M MII
43
Min. Typ. Max.
–
16
ICS1894-40
17
Bit times
PHYCEIVER
Units
REV K 022412