PI74AUC164245AE

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Logic translators, level shifters and other ICs can alleviate the problems of noise, heating and compatibility between different logic families. PI74AUC164245AE is a medium-speed, low-power CMOS logic compatibility device that is designed to convert signals from a 3.3V to 5V level. This translator is designed to easily interface between logic families without the need for external effort. It is designed to optimize the signal between two voltage domains, including 5V devices from 3.3V and 3.3V devices from 5V devices.

The PI74AUC164245AE is composed of four separate and independent 1-bit buffers. Each of these buffers is designed for dual-supply operation and utilizes a voltage pump to shift the logic levels of the output signals. For example, if a logic low input is applied to the conventional input of the PI74AUC164245AE, then the logic high output of the device will use the 3.3V potential while the logic low output will use the 5V potential. This makes the PI74AUC164245AE ideal for applications such as universal bus buffers, buffer inversion, and logic translators. It also provides protection against overvoltage conditions.

The PI74AUC164245AE is fabricated using CMOS technology that utilizes high-performance n- and p-channel MOSFETs to shift the signal levels between two supply voltages. The device features an active voltage pump which is designed to reduce the power consumption and minimize the Over-the-Top (OTT) threshold levels. Each of the 1-bit buffers is bidirectional, allowing the device to operate either as a conventional logic-level translator or as an inverter. In addition, the low-power consumption of the voltage pump reduces the amount of heat generated when the unit is used for longer periods of time.

The PI74AUC164245AE is designed to be used in applications where 3.3V and 5V logic families need to be interconnected. It is ideal for use in low-power applications where a fast signal translation and data communication between the two levels is necessary. Some examples of its usage include universal bus buffers, PCMCIA, PCIS, USB, E-IDE, keyboard, memory, and audio systems. Additionally, it can be used to interface between system microprocessors and peripheral devices.

In conclusion, the PI74AUC164245AE is an effective, low-power CMOS logic compatibility device designed to optimize the signal between two voltage domains. It features an active voltage pump that reduces power consumption and minimizes the OTT levels while providing protection against overvoltage conditions. The device is suitable for applications such as buffer inversion, universal bus buffers, and data communication where signals need to be translated between 3.3V and 5V logic families.

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