Product details
Manufactured bySMSC
Product groupInterface
DescriptionMicrochip Technology TMC2005-JT Interface Controller, Hub Controller Serial Interface 64-Pin TQFP Tray
DescriptionI/O Controller Interface IC 5 Port Hub Contrllr
DescriptionSMSC TMC2005-JT ARCNET 5-Port HUB Controller
SpecificationsARCNET HUB Circuit for ARCNET Protocol (Data Rate From 156.25Kbps to 10Mbps) Able to Connect Various Transceivers Directly Device Includes TX/RX Timing Circuit for 5 Port Hub and Direction Control Circuit, Jitter Correct Circuit and Noise Cancel Circuit Easy to Design 8 or 12 Port Hub Can Connect with HYC9088 in Normal Mode Can Connect with RS485 Transceiver, HYC5000/4000/2000, Opt Module and TTL Interface in Backplane Mode Supports both Normal and Backplane Mode at the Same Time for Media Conversion + 5V Single Power
OverviewWhen configuring a network, the maximum number of nodes and the maximum cable length are limited by the electric capacity of the transceiver. In this case, the network is expanded by an equipment called a “HUB” or “repeater”. It maybe necessary to have a converter between coax, T/P and the fiber cable. It is easy to design a HUB or a repeater because the TMC2005 has various features for expanding such network.It can connect with HYC9088, RS485 transceiver, HYC5000/4000/2000 and TTL interface for optical module. It can connect with three different transceivers at the same time and convert the media of each. (The data rate cannot be converted. It is necessary to operate all nodes in the same network at the same data rate). The Hubs can be expanded by connecting two or more TMC2005 chips. By setting one of 5 ports to open-drain output, the Hub can be expanded to either 12 or 16 ports.
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