74LCX760WM

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Logic-Buffers, drivers, receivers, transceivers are integrated circuits that perform logic functions on a variety of signals. 74LCX760WM is a popular logic device in this category. It is a low-cost, 8-bit bidirectional parallel data transmission chip, capable of interfacing with both 3-state and 5-volt logic systems.

Application field of 74LCX760WM

The 74LCX760WM is the ideal chip for bridging the gap between two different logic levels. It has wide range of applications, including system interfacing, logic expansion, bus range conversion, data and address decoding, programmable logic, and pulse-width modulation. It is also suitable for use in a variety of digital circuits and systems, such as microprocessor/microcontroller-based systems, VME systems, data and clock distribution, instrumentation, and digital signal processing systems.

Working Principle of 74LCX760WM

The 74LCX760WM is designed to drive a wide variety of logic families, including 3 to 5-V logic levels. The 8-bit buffer registers transfer data into the chip input (D) upon occurrence of a write strobe (W). The data is output by the output buffer either high or low, depending on the logic or voltage level. The buffer output levels will always be in accordance to the input voltage applied.

The output logic levels of the 74LCX760WM are controlled by two control signals, the output enable (OE) and the output high (OH) signals. The OE signal is used to enable or disable the outputs, ensuring that the outputs will not conflict with the inputs. The OH signal is used to select the output level. When the OH signal is high, the outputs will be at a high voltage level. When the OH signal is low, the outputs will be at a low voltage.

Additionally, the 74LCX760WM includes an active pull-up feature. This feature provides an internal 28 mA pull-up current when the output enable (OE) is low and the output high (OH) is high. This pull-up current is used to compensate for any loading on the output lines. This is especially useful in high capacitance loads, such as CCDs or LCDs.

Conclusion

The 74LCX760WM is a powerful and flexible logic IC that is well suited for a wide range of interfacing and logic expansion applications. It is designed to drive a variety of 3 to 5V logic levels, and has a built-in active pull-up feature that is useful in high capacitance loads. Its low cost and wide range of applications make the 74LCX760WM an attractive choice for any system that requires data or address decoding, logic expansion, programmable logic, or pulse-width modulation.

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