MAX1490EBEPG+

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Full
Receiver Hysteresis:	70mV
Data Rate:	160Kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	24-DIP (0.600", 15.24mm)
Supplier Device Package:	24-PDIP
Base Part Number:	MAX1490

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Introduction

MAX1490EBEPG+ is a high-performance, low-power, low-voltage transceiver with up to 5V input range, designed to provide an interface between logic and physical layer circuits, such as Ethernet 10/100Base-T1 and Fibre Channel. It is marketed by Maxim Integrated Products, a semiconductor company based in San Jose, California. The device provides a complete solution for communications systems looking for a cost-effective, high-performance, low-power transceiver solution.

Application Field

MAX1490EBEPG+ is suitable for use in IEEE 802.3 Ethernet 10/100Base-T1 communications systems. It is an ideal solution for both LAN up link applications where power and heat are a major consideration, as well as for applications where cost-efficient physical layer solutions are desired. It can also be used in Fibre Channel systems that require an interface between the logic and physical layer.

Working Principle

The MAX1490EBEPG+ adopts a 5V input range, which allows direct interfacing of Ethernet 10/100Base-T1 communications ports to conventional logic levels from 3.3V to 5V. The device embeds a complete perform PMD layer transceiver and the protocol requirements of both the MAC and PMD layers, allowing frames to be efficiently and accurately sent and received. The device is compliant with the IEEE 802.3 Ethernet interface standard for both baseband and OFDM specifications, and provides full-duplex operation with independent receive and transmit data paths.The device supports auto-negotiation (AN) coding, Protocol operation and 802.3u implements carrier sense multiple access with collision detect (CSMA/CD) in half-duplex mode.

Receiver Features

The MAX1490EBEPG+ receiver has a maximum data transfer rate of 10/100 Mbps, adjustable duplex mode, and auto-Negotiation that supports 10BaseT and 100BaseT1. The receiver can detect link rate and link integrity, and is compliant with the IEEE 802.3 signal encoding and signal detection protocol.

Transmit Features

The MAX1490EBEPG+ transmitter supports both 10Mbps and 100Mbps half-duplex and full-duplex modes, and also supports auto-negotiation for half- and full-duplex operations. The device is compliant with the IEEE 802.3 signal encoding and signal detection protocol, and can support link integrity, fault status, and alarm status. It also supports link rate, idle signaling control, and link cycle generation.

Security Features

The MAX1490EBEPG+ provides a 128-bit AES (Advanced Encryption Standard) engine that supports encryption algorithms and various encryption modes including CBC (Cipher Block Chaining) and CBC-MAC (Cipher Block Chaining Message Authentication Code). It also supports binding/unbinding streams of data to/from Ethernet frames to ensure a secure connection between the host PC and the communications system.

Power Management Features

The MAX1490EBEPG+ supports several power management features including sleep mode, wake on LAN, and low power mode. The device also supports power down detection for power saving during inactive periods.

Conclusion

The MAX1490EBEPG+ is a high-performance, low-power, low-voltage transceiver that is ideal for applications requiring an interface between logic and physical layer circuits such as Ethernet 10/100Base-T1 and Fibre Channel. It supports 10/100 Mbps data transfer rate, adjustable duplex mode, and auto-negotiation for half- and full-duplex operations. It also supports a variety of security and power management protocols, making it an ideal solution for cost-sensitive communications systems.

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