TLK105L is not recommended for new designs.
This product continues to be in production to support existing customers. Please consider one of these alternatives:
Similar but not functionally equivalent to the compared device:
DP83822IF ACTIVE Low-power, robust 10/100-Mbps Ethernet PHY transceiver with fiber support & 16-kV ESD The DP83822IF device is a pin-compatible upgrade of the TLK105 with fiber support.