SN74AUP1T57DRYR

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The SN74AUP1T57DRYR is a single channel, bi-directional universal bus translator that provides a high-performance bridge between two different voltage domains. This device is designed to support dual-supply applications, with each side of the translator independently powered. It quickly and reliably translates logic signals between two different voltage-level families, and it is suitable for use in multiple logic families, such as ttl, LVTTL, HSTL, and SSTL. Furthermore, being a universal bus translator, it is optimized for use in multiple bus applications, such as PCIe, USB, Ethernet, CAN, HSI, and I2C, and can provide level shifting between multiple low-voltage or high-voltage standards.

The SN74AUP1T57DRYR uses an improved transmission gate based design, which provides it with extremely low voltage and time drop across the translator. This device has very low on-resistance, allowing it to drive up to 15pF of capacitive load. In addition, this device has an input threshold of 2.0V, and its output voltage levels range from 0.8V to 1.5V respectively. Moreover, the SN74AUP1T57DRYR is hot-swappable and can be powered up at temperatures from -40°C to +85°C.

The SN74AUP1T57DRYR is designed for applications where two buses need to talk to each other, but are either of two different logic levels, or one is operating at two different voltage levels. This device can also be used in multiple voltage translation applications, to ensure simultaneous bidirectional communication between devices. It can also be used in applications where the source and destination are operating at two independent voltage domains, and where the receiving device should be able to sense the voltage level before switching.

The SN74AUP1T57DRYR works by having two mutually exclusive FETs (MUX1 and MUX2) switch the signals across the respective voltage domains. MUX1 is used when the source is at a higher potential, while MUX2 is used when the source is at a lower potential. The translation of the logic level and voltage level of the device is performed by using two identical, but independently generated, low-voltage supply rails. As the inputs and outputs can swing between two separate voltage levels, the SN74AUP1T57DRYR must use logic-level conversion circuitry that operates on both logic levels to ensure a high-performance operation.

Overall, the SN74AUP1T57DRYR is a very versatile device which provides fast, reliable and efficient voltage and logic-level translation for multiple bus types, including PCIe, USB, Ethernet, CAN, HSI, and I2C. Its hot-swappable, dual-supply design also makes it suitable for multiple voltage-level applications, and its improved transmission gate based design ensures impressive performance characteristics, particularly in terms of very low voltage and time drop.

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