1894KI-40LFT IDT, 1894KI-40LFT Datasheet - Page 46
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
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Reset: Hardware Reset and Power-Down
Hardware Reset and Power-Down Timing Diagram
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
RESETn
TXCLK Valid
Power
Consumption
(AC only)
REF_IN
The table below lists the significant time periods for the hardware reset and power-down reset. The time periods
consist of timings of signals on the following pins:
•
•
•
The Hardware Reset and Power-Down Timing Diagram shows the timing diagram for the time periods.
Period
Time
REF_IN
RESETn
TXCLK
t1
t2
t3
RESETn Active to Device Isolation and Initialization
Minimum RESETn Pulse Width
RESETn Released to TXCLK Valid
t1
Parameter
t2
t3
46
Conditions
–
–
–
Min. Typ. Max
200
–
–
ICS1894-40
60
35
500
–
–
.
PHYCEIVER
REV K 022412
Units
ms
ns
ns
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