ST485CDR Allicdata Electronics

ST485CDR Integrated Circuits (ICs)

Allicdata Part #:

497-3734-2-ND

Manufacturer Part#:

ST485CDR

Price: $ 0.27
Product Category:

Integrated Circuits (ICs)

Manufacturer: STMicroelectronics
Short Description: IC TXRX 5V RS485/422 LP 8-SOIC
More Detail: 1/1 Transceiver Half RS422, RS485 8-SO
DataSheet: ST485CDR datasheetST485CDR Datasheet/PDF
Quantity: 1000
2500 +: $ 0.23770
5000 +: $ 0.22582
12500 +: $ 0.21733
25000 +: $ 0.21053
Stock 1000Can Ship Immediately
$ 0.27
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Type: Transceiver
Protocol: RS422, RS485
Number of Drivers/Receivers: 1/1
Duplex: Half
Receiver Hysteresis: 70mV
Data Rate: 2.5Mbps
Voltage - Supply: 4.75 V ~ 5.25 V
Operating Temperature: 0°C ~ 70°C
Mounting Type: Surface Mount
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 8-SO
Base Part Number: ST485
Description

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The RS-485 serial communications standard is a long-distance, low-cost, full-duplex, and reliable serial communication protocol that has become a common choice in such applications as industrial automation, medical equipment, instrumentation, building automation and security for computers, peripherals and other equipment. The ST485CDR is a chip solution for managing RS-485 communications that provides an easy-to-use application tool for transferring large amounts of data between two or more units.

The ST485CDR is a specialized integrated circuit (IC) designed to handle the data transmission tasks of communicating with RS-485 devices. It provides hardware and software support for developing and maintaining a reliable communication link over a large distances and high data rate between devices. The ST485CDR is a multi-function device that can handle both transmitting and receiving of data. It can also provide support for multiple devices connected to the same line. It also provides protection against interference and noise.

Application Field of ST485CDR

The ST485CDR is used to provide reliable data transfer between units over long distances by using RS-485 serial communication protocol. It is mainly used in industrial control and automation systems, where its long-distance, low-cost and reliable data transfer capabilities make it well suited for the job. The ST485CDR is also used in medical equipment, instrumentation, building automation and security systems for computers, peripherals and other equipment.

Working Principle of ST485CDR

The ST485CDR implements a full-duplex RS-485 transceiver that uses a differential data pair for bi-directional data transfer. It includes a 16-bit shift register, data buffering, a receiver and a transmitter, and a bus protection circuitry. The shift register is used to store data that is sent and received using the RS-485 protocol. The receiver and transmitter modules convert the digital data in the shift register into an asynchronous serial form to be transmitted and vice versa. The buffer is used to store the data temporarily while it is being transferred between transmitter and receiver.

The ST485CDR also includes a bus protection circuitry, which protects the device against overvoltage and overcurrent conditions when communicating with other devices. This helps ensure that communication does not get disrupted due to outside interference or signal degradation. The protection circuitry also provides a way for the device to reset itself in case of a communication failure.

The ST485CDR makes it easy to configure the data rates and frame formats, allowing it to be used in different types of environments. The ST485CDR also offers high-level control over the data transmitted and the power saving options, allowing users to reduce power consumption while maintaining a reliable connection.

In conclusion, the ST485CDR is a reliable, low-cost and easily configurable IC that is used for reliable data transfer between devices over long distances. It is widely used for industrial, medical, security and other applications and is a dependable and efficient choice for long-distance communications.

The specific data is subject to PDF, and the above content is for reference

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