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SNJ54F534FK is listed in the Flip Flops range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is BUS DRIVER. Review the specifications below when checking this part for your BOM.
The SNJ54F534FK is a military-grade octal D-type flip-flop manufactured by Texas Instruments. It features edge-triggered operation with three-state outputs, housed in a 20-lead ceramic flatpack (FPK) package. Designed for high-speed applications within the F/FAST logic series, it supports TTL input levels and provides inverting output polarity. The device operates reliably across an extended temperature range of -55°C to 125°C, ensuring stability in demanding environments.
Verify that the specific suffix 'FK' corresponds to the 20-lead ceramic flatpack variant when sourcing. Confirm military grade certification requirements are met for the intended application. Ensure compatibility with existing PCB footprints designed for the FPK package style. Check for lead-free or RoHS compliance status if required by current procurement policies.
Select this component when military-grade reliability and hermetic sealing are mandatory. The F/FAST series offers high switching speeds suitable for fast digital timing circuits. Consider the 20-lead flatpack form factor for specialized thermal or mechanical constraints. Evaluate the three-state output capability for complex bus architectures requiring signal isolation.
This part belongs to the SNJ54xxxF family of Texas Instruments logic devices, specifically engineered for defense and aerospace sectors. The 'SNJ' prefix denotes military qualification standards, while '54' indicates the temperature range. The 'F' series represents the FAST logic family known for rapid propagation delays compared to standard TTL counterparts.
Public confirmed substitute part numbers: SN54F534FK.
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