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The DS26LS31/BEA is a quad differential line driver manufactured by Rochester Electronics, LLC. It functions as an RS-422 interface integrated circuit designed for digital data transmission over balanced lines. The device features four independent drivers with bipolar technology and provides differential outputs compliant with EIA-422 and FED STD 1020 standards. It is housed in a 16-pin Ceramic Dual Flat Package (CDFP16). The component supports operation up to a maximum temperature of 125 °C and includes standard input characteristics.
Verify the specific suffix BEA against original manufacturer documentation to confirm pinout and electrical tolerances. Confirm lead content status as datasheets may indicate leaded composition. Ensure the CDFP16 ceramic package matches the target system's thermal and mechanical requirements before integration.
Select this component when a quad differential driver is required for RS-422 applications in harsh environments. The ceramic package offers superior thermal stability compared to plastic alternatives. Verify that the 125 °C maximum operating temperature aligns with the system's thermal design constraints.
Rochester Electronics specializes in sustaining legacy semiconductor products. This part belongs to the AMD/National Semiconductor 26LS3x family of RS-422 transceivers. The company maintains production through licensed manufacturing and wafer banks to support obsolete components no longer produced by original vendors.
Direct replacements include other variants within the 26LS3x family, such as the AM26LS31. Verify package compatibility and electrical specifications before substitution.