| Allicdata Part #: | DS8921M-ND |
| Manufacturer Part#: |
DS8921M |
| Price: | $ 0.85 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC LINE DRV/RCVR DIFF PAIR 8SOIC |
| More Detail: | 1/1 Transceiver Full RS422, RS485 8-SOIC |
| DataSheet: |  DS8921M Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 0.85000 |
| 10 +: | $ 0.82450 |
| 100 +: | $ 0.80750 |
| 1000 +: | $ 0.79050 |
| 10000 +: | $ 0.76500 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Active |
| Type: | Transceiver |
| Protocol: | RS422, RS485 |
| Number of Drivers/Receivers: | 1/1 |
| Duplex: | Full |
| Receiver Hysteresis: | 70mV |
| Data Rate: | -- |
| Voltage - Supply: | 4.5 V ~ 5.5 V |
| Operating Temperature: | 0°C ~ 70°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 8-SOIC |
| Base Part Number: | DS8921 |
Description
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DS8921M is a device in the interface family that functions as a driver, receiver, and transceiver. This device was designed to help engineers overcome the challenges faced when creating high-speed signal transition networks. It functions as a bridge between digital and analog signal sources and its robust design ensures signal integrity and reliability. In this article, we’ll explore the application field and working principle of the device.
Application Field
The DS8921M is used to drive, receive and transceive high-speed signals. It is particularly suitable for long-distance signal transition as it supports gigabit data rate over long distances. The device is also used for low-power clock data recovery, high-speed signal multiplexing and data distribution, as well as clock and data distribution for multi-chip modules.
The device is ideal for use in digital communication systems such as LANs (Local Area Network), WANs (Wide Area Network), and FTTx (Fiber-to-the-X) networks. The device is also suitable for use in other high-speed serial communication systems such as digital video broadcast systems, digital video surveillance systems and broadcast encoding systems.
Working Principle
The DS8921M has two parts: the driver and the receiver/transceiver. The driver receives digital data from a source and converts it into an analog waveform to be transmitted over long-distance cables. The receiver/transceiver then receives this waveform and converts it into digital data for further processing and distribution. The device uses Manchester encoding to ensure signal integrity over long distances.
The device also contains the necessary circuitry for recovering clock and data signals from the transmitted waveform and for converting the recovered clock and data signals into the proper bit and byte formats. Finally, the device also contains the necessary circuitry for multiplexing and de-multiplexing data and for distributing recovered clock and data signals to all probes.
The DS8921M has various features that make it suitable for use in high-speed systems. It has a wide operating temperature range and is capable of driving signals up to 3 Gb/s. It also features low power consumption and error checking capabilities. The device is also RoHS (Restriction of Hazardous Substances) compliant, making it suitable for environmentally friendly applications.
In summary, the DS8921M is an excellent device for creating high-speed signal transition networks. It functions as a bridge between digital and analog signal sources and its robust design ensures signal integrity and reliability. The device is suitable for use in various digital communication systems, as well as other high-speed serial communication systems. It has wide operating temperature range, low power consumption, error checking capability and is RoHS compliant.
The specific data is subject to PDF, and the above content is for reference
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