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Product Detailed Parameters
- Description：DUAL JK NEG-EDGE-TRIG FF W/PRESE
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Function：-
- Type：-
- Output Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：-
- Trigger Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Input Capacitance：-
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Overview
The 54ALS113AJ/B is a dual JK negative-edge-triggered flip-flop manufactured by Rochester Electronics, LLC. It belongs to the ALS (Advanced Low-power Schottky) logic series and supports TTL voltage levels. The device operates within an extended temperature range of -55°C to +125°C. It features J-K flip-flop functionality with dedicated preset and clear inputs for synchronous or asynchronous control.
Feature Summary
- Dual JK flip-flop architecture with negative-edge triggering
- Advanced Low-power Schottky (ALS) technology implementation
- Extended industrial operating temperature range capability
Applications
- Digital state storage in military-grade systems
- Frequency division circuits in harsh environments
- Synchronous data processing units requiring high reliability
Procurement Notes
Verify component authenticity through official manufacturer channels or authorized distributors. Confirm lot traceability and compliance with relevant military specifications. Ensure proper handling procedures are followed due to the ceramic package construction. Request detailed test reports to validate performance against original datasheet parameters before integration into critical systems.
Selection Notes
Select this component when dual JK flip-flops are required for high-reliability applications. Consider the ALS series benefits for low power consumption and high speed. Verify compatibility with existing TTL logic families. Ensure the extended temperature range meets environmental requirements. Evaluate package constraints for the specific CDIP20 footprint availability.
Part Context
Rochester Electronics specializes in sourcing and distributing obsolete and hard-to-find semiconductor components. This part represents a continuation of legacy Texas Instruments designs, ensuring supply continuity for defense and aerospace programs that rely on established ALS logic families without redesigning existing hardware architectures.
Replacement Considerations
Direct substitutes include SNJ54ALS113AJ and other variants within the 54ALS113 family. Verify pinout compatibility and electrical characteristics match exactly. Cross-reference with original Texas Instruments documentation to ensure functional equivalence in critical timing applications.
