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Product Detailed Parameters
- Description：J-K FLIP-FLOP
- Series：F109
- Mfr：National Semiconductor
- Package：Bulk
- Function：Set(Preset) and Reset
- Type：JK Type
- Output Type：Complementary
- Number of Elements：2
- Number of Bits per Element：1
- Clock Frequency：70 MHz
- Max Propagation Delay @ V, Max CL：10.5ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：1mA, 20mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：17 mA
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：16-CDIP
- Package / Case：16-CDIP (0.300", 7.62mm)
- Input Capacitance：-
- Grade：-
- Qualification：-
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Overview
The 54F109DC is a dual J-K flip-flop from the F/FAST series, designed for military and aerospace applications. It features positive edge triggering, complementary outputs, and a ceramic DIP-16 package. The device operates within a supply voltage range of 4.5 V to 5.5 V, with a nominal voltage of 5 V. It supports a temperature range from -55 °C to 125 °C and exhibits a propagation delay of 10.5 ns.
Feature Summary
- Dual J-K flip-flop configuration with positive edge triggering
- Complementary output structure for versatile logic interfacing
- Military-grade ceramic packaging ensuring reliability in harsh environments
Applications
- High-reliability digital storage systems
- Aerospace control logic circuits
- Military communication equipment state machines
Procurement Notes
Verify component authenticity through authorized distributors or manufacturer channels. Confirm that the part matches the specified F/FAST series characteristics and ceramic package type. Ensure compliance with required military standards and environmental specifications before integration into critical systems.
Selection Notes
Select this component when dual J-K functionality with complementary outputs is required in high-speed applications. The F/FAST series offers faster performance compared to standard TTL variants. Consider the ceramic package for thermal stability and radiation hardness in demanding operational conditions.
Part Context
Part of National Semiconductor's F/FAST logic family, optimized for speed and reliability. The 54-series designation indicates military-grade qualification. This specific model provides essential sequential logic capabilities for complex digital designs requiring robust performance under extreme conditions.
Replacement Considerations
Compatible substitutes include other 54F109 variants from qualified manufacturers. Verify pinout compatibility and electrical parameters such as propagation delay and supply voltage range. Ensure replacement parts meet the same military and environmental standards.
