MC14503BDR2G

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The MC14503BDR2G is a CMOS dual voltage level translator device that is designed to level shift a digital signal from one voltage domain to another. It is capable of handling logic levels from 1.61 V to 4.95 V. This logic level translator family is composed of 6 devices, offering an array of configurations with various number of channels and input/output logic levels.

The MC14503BDR2G is typically used when it is necessary to transfer data between two systems with different voltage domains. It is suitable for applications like analog-to-digital and digital-to-analog converters, various embedded systems and systems related to personal communication. It is often used in battery powered systems, where a low power source can be achieved via its CMOS low-power technology. It is also used in automotive and industrial systems, where its -40°C to 125°C extended temperature range is useful.

Functional Description

The MC14503BDR2G is an 8-channel level translator. It is designed for transferring digital signals between two different voltage domains, where one domain is likely to be a lower voltage domain. It can be used to convert logic levels from 1.61 V to 4.95 V, with a maximum output voltage of 5.5 V. It is composed of eight fully independent, bidirectional channels, each of which features a FET-based input buffer and an open-drain output stage. This allows the device to drive outputs through a current source, instead of a voltage source, which helps reduce power consumption.

The MC14503BDR2G includes an input enable (IE) pin and an output enable (OE) pin. When the IE input is high, the device can receive data. When the OE input is high, the device can drive the output high. If either the IE or OE inputs are low, the outputs are disabled. This feature allows the device to be connected to the same bus, and only one device at a time is enabled to transfer data, thus reducing power consumption.

Features

• Low-voltage and CMOS compatible
• 8 bidirectional channels
• Input/output logic high- and low-voltage from 1.61 V to 4.95 V
• Low-power CMOS technology
• Input enable and output enable pins for current-reduction
• Operating temperature range from -40°C to 125°C
• Tri-state output

Applications

• Analog-to-digital and digital-to-analog converters
• Various embedded systems and systems related to personal communication
• Battery powered systems
• Automotive and industrial applications

Circuit Diagram

The following diagram illustrates the basic circuit diagram of the MC14503BDR2G.

Conclusion

The MC14503BDR2G is a CMOS level translator device designed to convert digital signals from one voltage domain to another. It is frequently used in systems where low power consumption is desired, such as automotive and industrial applications, as its CMOS low-power technology ensures a low power source. Additionally, its extended temperature range of -40°C to 125°C makes it an ideal solution for harsh environment settings. The MC14503BDR2G is also characterized by its low-voltage and CMOS compatibility, 8 bidirectional channels, tri-state output, and input enable and output enable pins for current reduction.

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