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The DM54LS259J/883QS from Texas Instruments is a military-grade 8-bit addressable latch belonging to the 54LS series. The '883' suffix indicates it has passed rigorous military certification testing, ensuring high reliability in demanding environments.
This latch features 8 D-type latches with a tri-state output structure, controlled by 3 address lines. It operates from a 4.5V to 5.5V supply, with a typical power consumption of 80mW. Key electrical characteristics include a propagation delay of approximately 15ns and an output drive capability of 8mA, suitable for direct TTL load driving.
The device boasts a wide operating temperature range of -55°C to +125°C, meeting MIL-STD-883 requirements. This makes it ideal for applications in military, aerospace, satellite communications, and radar systems where performance stability under extreme conditions is critical. It also finds use in specialized civilian sectors like oil exploration and polar research equipment.
Packaged in a ceramic DIP, the DM54LS259J/883QS is designed for robust environmental adaptability. Its military-grade nature necessitates specific storage and handling precautions, including controlled temperature and humidity environments, and careful soldering procedures to avoid thermal shock.
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Estimated market price range - modelled values for guidance only, not live distributor offers.
The standard operating voltage is 5V +/- 10%, ranging from 4.5V to 5.5V.
The DM54LS259J/883QS operates within a wide temperature range of -55°C to +125°C, meeting MIL-STD-883 standards.
The typical power consumption is approximately 80mW.
Each output can drive 8mA, which is sufficient for standard TTL loads.
It uses a ceramic DIP package.