DS89C21TMX/NOPB

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The DS89C21TM/NOPB is a peripheral device designed for providing interface-level switching and signal conditioning functions to protect and extend the transmission lines between a processor and a variety of serial peripheral devices. It is designed for high-speed, low-power applications. This device is organized as a 1k x 8bit capacitor array, and can provide an effective tool for serial communications in industrial, automotive, and consumer applications.

The DS89C21TM/NOPB is a switching, or isolating device that handles communication between the processor and other peripherals on the same serial bus. It operates in two modes, active and inactive. In active mode, data is transmitted and/or received. In inactive mode, power consumption is minimized. It is capable of working with logic levels as low as 0.8V and as high as 5V.

The DS89C21TM/NOPB can be used to provide buffering between the processor and other serial peripheral devices. This can help minimize ground loop and impedance mismatches. It uses a single-ended differential line driver/receiver, which provides high-impedance isolation and reduces noise interference. In addition, it is highly resistant to EMI, and is mechanical stress resistant.

The DS89C21TM/NOPB can also be used to provide a programmable level of signal conditioning. This is accomplished using a capacitor array which allows the user to precisely set the desired output voltage level. This feature allows for the user to optimize the output for different types of serial communication protocols. It also features wide swing output current adjustment, as well as a programmable low-pass filter.

The DS89C21TM/NOPB also includes a variety of other features, such as a pushbutton switch, which allows the user to reset the device or select a special data format. It has power-on reset and a watchdog timer which can be used to monitor system activity. It is also equipped with a low-power-mode section, which can be used to reduce power consumption.

The DS89C21TM/NOPB is designed for a wide range of interface applications. In industrial automation systems, it can be used to provide isolation and signal conditioning between a processor and various PLCs, HMI’s or sensors. In automotive applications, it can be used to provide isolation and signal conditioning between a CAN bus and various ECUs. In consumer applications, it can be used to provide interface between a processor and various sensors, ranging from temperature and humidity to pressure and air flow.

In summary, the DS89C21TM/NOPB is a versatile interface device designed for a wide range of industrial, automotive, and consumer interface applications. It provides a programmable level of signal conditioning, as well as a variety of other features such as power-on reset and a watchdog timer, which help provide reliable operation. In addition, it has a low-power-mode section, which helps reduce power consumption. This makes the DS89C21TM/NOPB an effective solution for optimizing and extending the performance of serial peripheral devices.

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