CD4502BEG4

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The CD4502BEG4 is a 14-pin DIP buffered transistor-transistor logic (BTL) device, designed to improve the performance of digital systems operating from moderately high speeds to high-frequency applications. It is designed to provide fast and reliable logic-level transitions, ensuring high-speed signal transmission between processor and user input/output (I/O) devices.

The CD4502BEG4 is part of a series of devices featuring four independent buffer/drivers that adhere to the TTL logic family input thresholds and are designed to directly interchange with NPN and PNP bipolar TTL logic ICs. The CD4502BEG4 provides low power dissipation and good noise immunity when porting signals to other logic families.

Application Field

The CD4502BEG4 is typically used as an input and output buffer in a wide variety of applications. It is well suited for use in process control systems, data acquisition systems, and where high-speed data flow is required. The device can be configured as a two-way buffer for data transfer between two circuits operating at different logic levels.

The device is also suitable for use in systems where the device will bridge logic levels between different logic families. In addition, the part can be employed as a low-power power-on reset circuit. The wide operating voltage of 2V to 6V allows the part to be used in many high-speed digital systems that operate at high speeds.

Working Principle

The CD4502BEG4 consists of four independent open-collector inputs that are each connected to output buffers. Each buffer is capable of sourcing or sinking up to 16mA. The device can operate from a wide range of supply voltages, from 2V to 6V. The logic gates are designed to accept TTL logic family input thresholds, with output levels suitable for direct driving of other TTL families.

The device features high-speed switching capability and low-power dissipation. The propagation delay is less than 20 ns when a 15pF load is applied. This is suitable for high-speed, high-performance systems. Furthermore, the device features low power-on reset characteristic, suitable for low-power reset circuits. As for noise immunity, the device offers greater than 0.4V protection.

The device is packaged in a 14-pin dip, making it highly versatile and allowing it to be used in almost any application. The device is also characterized to be able to withstand extreme temperatures, ranging from -55°C to +150°C, making it suitable for industrial environments. In conclusion, the CD4502BEG4 is a great choice of device for both mid-range and high-frequency logic applications.

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