SN74AVC4T245PWTE4 - Texas Instruments 4-Bit Dual-Supply Bus Transceiver
The SN74AVC4T245PWTE4 from Texas Instruments is a state-of-the-art, 4-bit dual-supply bus transceiver designed for asynchronous communication between data buses. This device operates as a voltage level translator that provides the necessary logic to facilitate the transfer of 8-bit data between two distinct voltage nodes.
Constructed with the robust Silicon-Gate CMOS technology, the SN74AVC4T245PWTE4 ensures low power consumption while delivering high-speed performance. The device allows for bidirectional voltage-level translation and signal buffering between different operating voltages, which can range from 1.65V to 3.6V on the A side (VCCA) and 1.2V to 3.6V on the B side (VCCB). This feature makes it an ideal choice for multi-voltage systems and interfacing between incompatible logic levels.
The SN74AVC4T245PWTE4 is equipped with control-function inputs (1DIR, 2DIR) that determine the direction of data flow. Directionality is further managed by output-enable (OE) inputs, which can disable the outputs to avoid contention on the data bus. When OE is high, the outputs are placed in a high-impedance state, thereby ensuring that no damaging current flows through the device or the bus.
The device comes in a TSSOP (Thin Shrink Small Outline Package) form factor, under part number SN74AVC4T245PWTE4, which is well-suited for space-constrained applications. With its 16-pin configuration, the transceiver is easy to integrate into a wide range of electronic systems, from handheld devices to complex computing machinery.
Furthermore, the SN74AVC4T245PWTE4 boasts features such as latch-up performance that exceeds 100 mA per JESD 78, Class II, and ESD protection exceeding JESD 22, ensuring the device's reliability and robustness in challenging electrical environments. With Texas Instruments' commitment to quality, this transceiver represents a dependable solution for designers looking to bridge different voltage domains within their digital systems.
In summary, the SN74AVC4T245PWTE4 is a versatile and efficient solution for digital data bus communication, providing seamless integration, robust protection, and reliable performance for a wide array of electronic applications.