LTC489IN#PBF

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The LTC489IN#PBF is an integrated input transceiver designed to provide a physical layer interface between two local area networks (LANs) according to the IEEE 802.3 standard. The device is a high-speed CMOS transceiver capable of up to 100 Mbps data rate, and it works in both full-duplex and half-duplex modes. It supports both Type-2 and Type-3 medium access control (MAC) protocols. It also supports remote loopback functions and optional clock synchronization between nodes.

The device consists of an integrated transceiver, a Phase-Locked Loop (PLL) with a prescaler and an analog front-end (AFE). The integrated transceiver consists of a transmitter, a receiver and an interrupt generator. The transmitter section takes in a stream of user data bits and encodes them into a pulse-position modulation (PPM) signal compliant with the IEEE 802.3 standard. The PPM signal is then passed through a low-pass filter and an analog output buffer to be transmitted on the communication link. The receiver section takes in the transmitted signal, decodes it into user data bits and passes them on to the output buffer. The interrupt generator generates an interrupt signal when it detects an error on the link.

The PLL with a prescaler is used to clock the integrated transceiver at the proper frequency for the network communications. The output of the pre-scaler is used to clock the integrated transceiver, AFE and fault detection logic circuits. The AFE is used to detect any fault or link-failure on the link.

The device also includes several control lines for configuring the device and for managing the link. These control lines include Manchester and clock enable lines, start and stop signals, enable, reset and power-down lines, and misc control lines.

The device can be used in various types of applications, including high-speed Ethernet bridge, serial data link, LAN-to-WAN link, and serial-to-parallel converters. It is suitable for use in industrial control systems, as well as in home and office communication environments.

In summary, the LTC489IN#PBF is a high-performance input transceiver designed to provide physical layer connectivity between two local area networks (LANs) according to the IEEE 802.3 standard. It supports both full-duplex and half-duplex mod

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