1894K-43LF IDT, 1894K-43LF Datasheet - Page 49

• 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

Revision History
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
Rev.
ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
M
K
J
L
K. Beckmeyer
Originator
L. P-Larsen
H. Sadeg
H. Sadeg
05/18/10 Removed references to half-duplex mode; updated block diagram and registers to reflect
06/01/10 Removed references to “CK” within part number; removed “Period Jitter” and “Input
02/15/12 Add two footnotes on front page for clarification to "10M or 100M full duplex modes"
7/22/10
Date
Updated power-up default of Byte 0
Description of Change
change; removed digrams relating to half duplex mode; added I-temp part ordering and
marking diagram.
Capacitance” specs from the 25 MHz and 50 MHz Oscillator Spec tables; corrected minor
typos throughout doc.
Features sub-bullet.
49
ICS1894-32
PHYCEIVER
REV M 021512