SN74AUC2G66DCURE4

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The SN74AUC2G66DCURE4 is a 3-state non-inverting octal bus transceiver designed to provide bidirectional voltage level translation between two voltage domains. It is categorized under the Interface - Analog Switches, Multiplexers, Demultiplexers field. This transceiver features separate active-high enable inputs, A and B, which reduce the power consumption during standby mode.

This transceiver features 3-state outputs that can be disabled by an active LOW signal at the enable pins. These output pins allow connection to more than one bus transceiver, with the outputs being disabled if two or more devices attempt to drive the bus at the same time. This device is capable of bus hold, eliminating the need for external pull-up resistors on the bus.

In terms of performance, the SN74AUC2G66DCURE4 can drive 15 TTL loads and operates from a 2.3 V to 3.6 V separate power supply. The enable input has a 0.8 V low or 0.7 V low threshold for active LOW and 1.5 V High or 0.7V High for active HIGH signals. This device is suitable for 1.8V and 3.3V buses.

The SN74AUC2G66DCURE4 features open-drain outputs, allowing the device to be used in mixed voltage systems. The outputs feature a current rating of at least 4 mA, allowing them to be connected directly to the 1.8 V digital system. Additionally, it operates over the ambient temperature range of -40°C to 85°C.

In terms of working principle, this transceiver is functionally a set of high-speed, voltage-level translators with control logic. The logic acts to translate the logic voltage level of one domain into the logic voltage of another domain. It allows data to be transmitted from one voltage domain to another without the need for a voltage-level translator. Furthermore, this device supports hot insertion, allowing it to be connected and disconnected from an active bus.

In terms of applications, the SN74AUC2G66DCURE4 is designed for use in memory interfacing, data communications, and multiplexers, display controllers, and peripheral controller applications. It is ideal for low-power applications with multiple supply voltages and features the capability of allowing a single device to be driven without the need for external pull-ups. Additionally, it is often used in automotive, telecommunications, industrial, and computer peripherals.

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