CD4503BPW

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The CD4503BPW is an electronic digital logic symbol device used in logic circuits. It is classified under ‘Logic - Buffers, Drivers, Receivers, Transceivers’ due to its specific uses. This device falls into a category known as ‘buffer’ components and has uses in a variety of areas of computing, communications, instrumentation, and control systems.

The device is a dual 4-line non-inverting data and address buffer. Its name derives from the 4 lines that it provides - the inputs and outputs of buffered data and addresses. The device has Schmitt triggers inputs on all ports, with hysteresis providing a noise-free tolerant input providing the highest possible noise immunity. All ports have pull-up resistor transistors which are adequate for static operation; active-LOW outputs and active-HIGH outputs can be specified via pins as needed.

The main application for the CD4503BPW is providing buffered inputs and outputs. Its high speed ensures that it can work in applications requiring speeds of up to 4.5 MHz and beyond. The device acts in multiple directions (in, out, and bidirectional) providing a ‘buffer’ between the input and output in the circuit. This relieves the potential load problems of driving large, heavy loads with a microprocessor, ensuring that the correct logic levels are presented reliably.

A further application of the CD4503BPW is in data communication link. It provides a non-decentralized buffer between the transmitter and receiver sides, allowing the transmission and reception of data. This type of communication is usually used in serial environments, where the device is configured to drive the additional loads of a few hundred of meters of cable and provide isolation between the two sides.

The device is powered by 3V-5.5V and is active in a temperature range of -55°C to +125°C. The power dissipation is typically 30mW and the noise immunity is tested to ensure low noise levels (<2mV).

Offering dual 4-line buffering, the CD4503BPW is ideal for applications requiring timely data and address buffering. Its low power consumption and Schmitt triggers ensure that it can be used in many digital applications with time-sensitive logic levels to ensure reliable operation. Furthermore, its robustness makes it suitable for high-speed, long-distance communications links, providing an economical solution for data buffering.

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