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Product Detailed Parameters
- Description：54HC273 OCTAL D-TYPE FLIP-FLOPS
- 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 Texas Instruments 5962-8409901VSA is a military-grade octal D-type flip-flop integrated circuit featuring an active clear function. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a propagation delay of 240 ns. The device utilizes a ceramic glass-sealed package with a terminal pitch of 1.27 mm and a maximum seated height of 2.45 mm, designed for high-reliability applications.
Feature Summary
- Octal configuration providing eight independent D-type flip-flops in a single package
- Active clear functionality for immediate state reset across all channels
- Military-grade construction using ceramic glass-sealed packaging for environmental robustness
Applications
- High-reliability military data storage systems
- Avionics control logic circuits
- Spacecraft telemetry register arrays
Procurement Notes
Verify the specific suffix 'VSA' against official Texas Instruments documentation to confirm package dimensions and material specifications. Ensure procurement channels provide traceable military-grade certification records. Confirm that the ceramic glass-sealed housing meets required environmental standards for the intended operational environment before finalizing acquisition.
Selection Notes
Select this component when an octal D-type flip-flop with active clear is required for harsh environments. The ceramic glass-sealed package offers superior protection compared to standard plastic variants. Verify compatibility with existing TTL logic levels and ensure the 240 ns propagation delay aligns with system timing requirements.
Part Context
This part belongs to the Texas Instruments military logic family, specifically utilizing the SN54 series architecture adapted for extreme conditions. The 5962 prefix indicates a direct buy or microcircuit format, distinguishing it from commercial off-the-shelf equivalents. It represents a specialized solution for defense and aerospace sectors requiring guaranteed performance over wide temperature ranges.
Replacement Considerations
Direct substitutes include other military-grade octal D-type flip-flops with active clear functions from Texas Instruments, such as those within the SN54S374 or SN54LS374 families, provided they match the CFP package constraints and electrical characteristics.
