(China (Mainland))
Product Summary
The lxt974ahc/a6 is a four-port PHY Fast Ethernet Transceivers which support IEEE 802.3 physical layer applications at both 10 Mbps and 100 Mbps. The lxt974ahc/a6 provides all of the active circuitry to interface four 802.3 Media Independent Interface (MII) compliant controllers to 10BASE-T and/or 100BASE-TX media. Applications of the lxt974ahc/a6 include: 0BASE-T, 10/100-TX, or 100BASE-FX Switches and multi-port NICs and LXT975 optimized for dual-high stacked modular RJ-45 applications.
Parametrics
lxt974ahc/a6 absolute maximum ratings: (1) Supply voltage Vcc: -0.3 to 6V; (2) Operating temperature Ambient: -15 to +85°C(TOPA) , Case: +120°C (TOPC) ; (3) Storage temperature Tst: -65 to +150°C.
Features
lxt974ahc/a6 features: (1) Four independent IEEE 802.3-compliant 10BASE-T or 100BASE-TX ports in a single chip; (2) 100BASE-FX fiber-optic capable; (3) Standard CSMA/CD or full-duplex operation; (4) Supports auto-negotiation and legacy systems without auto-negotiation capability; (5) Baseline wander correction; (6) 100BASE-TX line performance over 130 meters; (7) Configurable LED drivers and serial LED output; (8) Configurable through MII serial port or via external control pins; (8) Available in 160-pin PQFP with heat spreader.
Diagrams
