GENERAL DESCRIPTION
The MTD392 family includes a series of products, MTD392/3/4 and MTD492/3/4. The MTD392 product family is built for easy MAU interface in a coaxial Ethernet network. The MTD392 product family integrates the coaxial cable interface functions of Medium Attachment Unit (MAU) in Ethernet or Cheapernet LAN applications. In an Ethernet 10Base5 network, the MTD392 product family is mounted on the thick Ethernet coaxial cable and connects to a station through an AUI cable. For Cheapernet applications, the MTD392 product family is connected to the Cheapernet coaxial cable through a BNC connector and is usually mounted on the LAN adapter in a station.

FEATURES
· Compatible with ISO/IEEE 802.3 10Base5 (Ethernet) and 10Base2 (Cheapernet).
· Functionally compatible with National DP8392C.
· Internal squelch circuitry for noise rejection.
· Reception/transmission mode collision detection.
· Transceiver functions integrated except for signal and power isolation.
· CD heartbeat externally selectable.
· Advanced low-power, high-performance CMOS technology.
· ESD protection greater than 2000 volts.
· 16-pin plastic DIP package, 24-pin skinny plastic DIP package, or 20 and 28-pin PLCC packages.
· Built-in LED drivers for collision, reception, jabber and transmission status display (MTDX93/X94 only).
· Collision detection mode for reception, transmission and hybrid (MTDX94 only).
· Special test mode allowing continuous transmission for waveform testing (MTDX94 only).