Texas Instruments 20-SOIC SN74ALS640BDWRE4

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The SN74ALS640BDWRE4 is a dual bus transceiver IC from Texas Instruments, part of the 74ALS logic family. It is housed in a 20-SOIC package and supports bi-directional data transfer with non-inverting three-state outputs. This device operates at a maximum clock frequency of up to 30MHz and is designed for low power consumption while ensuring fast propagation delays (e.g., 14ns typical). Ideal for bus-oriented systems requiring high-speed communication and level translation between two data buses.