Quad Ethernet Switching Transceiver

The AM79C989 Quad Ethernet Switching Transceiver (QuEST) is a four-port physical layer (PHY) device that provides all of the Analog functions needed for a 10BASE-T Switch including four independent Manchester Encode/Decode units (MENDECs) and four independent 10BASE-T transceivers. If the AUI port is used for a 10BASE-2, 10BASE-5, or 10BASE-FL transceiver, one of the four 10BASE-T ports is disabled. By Advanced Micro Devices
AM79C989 's PackagesAM79C989 's pdf datasheet



AM79C989 Pinout, Pinouts
AM79C989 pinout,Pin out
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