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The 26LS34SC is a quad differential line driver manufactured by Rochester Electronics, LLC. It belongs to the AMD AM26LS3x series of RS-422 transceivers. The device features four independent drivers designed for high-speed data transmission over balanced lines. It operates within a specified voltage range and supports standard RS-422 signaling protocols. The component is housed in a ceramic dual in-line package with 16 pins, suitable for hermetic sealed applications requiring reliable signal integrity in industrial environments.
Rochester Electronics specializes in sustaining existing semiconductor technologies that are no longer actively produced by original manufacturers. The 26LS34SC is part of their inventory of licensed and tested products, ensuring continued availability for legacy designs originally based on AMD specifications. This component serves as a bridge for maintaining older hardware systems that rely on specific RS-422 interface standards.
Direct replacements include other variants from the AM26LS3x family, such as the AM26LS34 or AM26LS34C, provided pin compatibility and electrical characteristics match the original design requirements. Verify package type and thermal performance when substituting.