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Product Detailed Parameters
- Description：54HCT74 DUAL D-TYPE POSITIVE-EDG
- Series：*
- Mfr：Texas Instruments
- 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：-
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- Input Capacitance：-
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Overview
The JM38510/65352B2A is a dual D-type positive-edge-triggered flip-flop manufactured by Texas Instruments. It features integrated clear and preset control inputs for flexible state management. The device operates within an extended temperature range of -55°C to 125°C, ensuring reliability in harsh environments. It utilizes a 20-lead LCCC package configuration suitable for high-density applications.
Feature Summary
- Dual D-type positive-edge-triggered flip-flops with clear and preset functionality
- Extended operating temperature range from -55°C to 125°C
- 20-lead LCCC package design
Applications
- Military aerospace systems requiring radiation-hardened or high-reliability logic
- Industrial control systems operating in extreme temperatures
- Data storage and transfer registers in defense electronics
Procurement Notes
Verify the specific suffix B2A against official Texas Instruments documentation to confirm pinout and electrical characteristics. Ensure compatibility with existing system voltage levels and thermal management requirements before integration. Cross-reference with authorized distributors to validate authenticity and traceability.
Selection Notes
Select this component when dual independent D-type flip-flops with asynchronous clear and preset controls are required. Consider the 20-lead LCCC package for board space constraints. Verify that the positive-edge triggering aligns with the system clocking scheme and that the extended temperature range meets environmental specifications.
Part Context
This part belongs to the JM38510 series, which encompasses various military-grade logic components produced under specification standards. Texas Instruments manufactures these devices to meet rigorous reliability criteria for defense and aerospace sectors. The series includes diverse logic functions tailored for high-stakes operational environments.
Replacement Considerations
Consult official Texas Instruments substitution guides for compatible alternatives. Verify functional equivalence regarding pinout, voltage levels, and timing parameters. Ensure any substitute maintains the same package type and temperature rating for direct replacement without circuit modification.
