1894K-43LF IDT, 1894K-43LF Datasheet - Page 13

• 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

Crystal or Oscillator Connection
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
MII w/ Crystal Input
MII w/ Oscillator Input
RMII w/ Oscillator Input
25 pF
CMOS
50.000
MHz
CMOS
25.000
REFOUT
REFOUT
MHz
29
NC
29
REFOUT
NC
29
33 Ohm (optional)
25.000MHz
ICS1894-32
ICS1894-32
33 Ohm (optional)
ICS1894-32
REFIN
REFIN
13
30
30
REFIN
25 pF
10 pF (optional)
30
10 pF (optional)
NOTE: 25 pF crystal load
capacitors were required to bring
the ppm for the 25 MHz crystal to
within ±50 ppm on the IDT 1894
PHY evaluation board. The crystal
used had a recommended load
capacitance of 18 pF.
ICS1894-32
PHYCEIVER
REV M 021512