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The 54H11DM/C is a high-speed TTL logic integrated circuit manufactured by Rochester Electronics, LLC. It contains three independent 3-input AND gates housed in a 14-pin ceramic dual in-line package (CDIP). The device operates within a military-grade temperature range of -55°C to +125°C and utilizes a standard 5V supply voltage typical for the H-TTL series.
Verify the specific suffix 'C' against official manufacturer documentation to confirm its exact meaning regarding lead finish or quality level. Ensure the CDIP-14 ceramic package matches the design requirements. Confirm that the component meets all necessary radiation hardness and reliability standards required for the intended application environment.
Select this component when a hermetically sealed, high-speed TTL AND gate is required for extreme temperature environments. The ceramic package provides superior durability compared to plastic alternatives. Verify compatibility with existing 5V logic levels and ensure the 14-pin DIP footprint fits the target PCB layout constraints.
This part belongs to the 54-series family of logic devices, which are characterized by their wide operating temperature ranges suitable for military and aerospace applications. Rochester Electronics sources and qualifies these components to maintain availability for legacy designs requiring high-reliability discrete logic functions.
Direct substitutes include other manufacturers' 54H11 variants in ceramic packages, such as those from Texas Instruments or Fairchild. Ensure any replacement maintains the same 3x3-input AND gate configuration and hermetic sealing specifications.