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Product Detailed Parameters
- Description：IC FF D-TYPE SGL 6BIT 16CFLATPK
- Series：-
- Mfr：National Semiconductor
- Package：Bulk
- Function：Master Reset
- Type：D-Type
- Output Type：Non-Inverted
- Number of Elements：1
- Number of Bits per Element：6
- Clock Frequency：25 MHz
- Max Propagation Delay @ V, Max CL：36ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：4mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：26 mA
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：16-CFlatPack
- Package / Case：16-CFlatpack
- Input Capacitance：-
- Grade：-
- Qualification：-
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Overview
The DM54LS174W/883 is a high-speed Schottky TTL (LS Series) flip-flop manufactured by National Semiconductor. It contains six independent D-type positive-edge-triggered flip-flops with true outputs. The device is designed for military and aerospace applications, indicated by the /883 suffix denoting compliance with MIL-STD-883 standards. It utilizes a ceramic flatpack package to ensure reliability in harsh environments.
Feature Summary
- Contains six independent D-type flip-flops
- Positive-edge triggered operation
- True output configuration
- Military-grade construction
Applications
- Aerospace data processing systems
- Military communication equipment
- High-reliability digital logic circuits
- Harsh environment computing modules
Procurement Notes
Verify that the component explicitly carries the /883 suffix to confirm adherence to MIL-STD-883 qualification requirements. Ensure the manufacturer is identified as National Semiconductor or its successor entity. Confirm the package type matches the specified ceramic flatpack variant to guarantee environmental sealing and mechanical integrity suitable for defense specifications.
Selection Notes
Select this component when six synchronized D-type storage elements are required within a single package for critical systems. The LS series technology provides a balance of speed and power consumption suitable for complex logic designs. Consider the ceramic packaging for superior thermal stability compared to plastic alternatives in extreme temperature ranges.
Part Context
This part belongs to the National Semiconductor LS Series, representing high-speed Schottky TTL logic. The /883 designation signifies that the device meets specific military quality and testing standards. It serves as a fundamental building block for sequential logic circuits requiring reliable state retention in demanding operational conditions.
Replacement Considerations
Substitutes must maintain the same functional logic, package dimensions, and MIL-STD-883 compliance. Verify compatibility with existing system voltage levels and timing requirements before integration.
