1894K-43LF IDT, 1894K-43LF Datasheet - Page 44

• Manufacturer Part Number: 1894K-43LF
• Description: Ethernet ICs 3.3V 10/100 PHY RMII
• Manufacturer: IDT

Specifications of 1894K-43LF

• Rohs: yes
• Part # Aliases: ICS1894K-43LF

Reset: Hardware Reset and Power-Down
Hardware Reset and Power-Down Timing Diagram
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
RESETn
TXCLK Valid
Power
Consumption
(AC only)
REFIN
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
REFIN
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
44
Conditions
–
–
–
Min. Typ. Max
200
–
–
ICS1894-32
60
35
500
–
–
.
PHYCEIVER
REV M 021512
Units
ms
ns
ns