1894KI-40LFT IDT, 1894KI-40LFT Datasheet - Page 35
1894KI-40LFT
Manufacturer Part Number
1894KI-40LFT
Description
Ethernet ICs 3.3V 10/100 PHY RMII
Manufacturer
IDT
Datasheet
1.1894KI-40LFT.pdf
(53 pages)
Specifications of 1894KI-40LFT
Rohs
yes
Part # Aliases
ICS1894KI-40LFT
100M MII: Synchronous Transmit Timing
100M MII/100M Stream Interface Synchronous Transmit Timing Diagram
10M MII: Synchronous Transmit Timing
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
TXCLK
TXD[3:0]
TXEN
TXER
The table below lists the significant time periods for the 100M MII Interface synchronous transmit timing. The time
periods consist of timings of signals on the following pins:
•
•
•
•
The 100M MII/100M Stream Interface Synchronous Transmit Timing Diagram figure shows the timing diagram for
the time periods.
The table below lists the significant time periods for the 10M MII synchronous transmit timing. The time periods
consist of timings of signals on the following pins:
•
•
•
•
The 10M MII Synchronous Transmit Timing Diagram figure shows the timing diagram for the time periods.
Period
Period
Time
Time
TXCLK
TXD[3:0]
TXEN
TXER
TXCLK
TXD[3:0]
TXEN
TXER
t1
t2
t1
t2
TXD[3:0], TXEN, TXER Setup to TXCLK Rise
TXD[3:0], TXEN, TXER Hold after TXCLK Rise
TXD[3:0], TXEN, TXER Setup to TXCLK Rise
TXD[3:0], TXEN, TXER Hold after TXCLK Rise
Parameter
Parameter
t1
t2
Conditions
Conditions
–
–
–
–
35
Min.
Min.
375
15
0
0
Typ.
Typ.
–
–
–
–
ICS1894-40
Max. Units
Max. Units
–
–
–
–
PHYCEIVER
ns
ns
ns
ns
REV K 022412