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Product Detailed Parameters
- Description：FAST CMOS BUS INTERFACE REGISTER
- 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：-
- Package / Case：-
- Input Capacitance：-
- Grade：-
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Overview
The CD74FCT821AM is a BiCMOS FAST CMOS bus interface register manufactured by Texas Instruments. It functions as a 10-bit non-inverting D-type flip-flop with 3-state outputs, designed for high-speed data storage and transfer in parallel architectures. The device operates within a supply voltage range of 4.75 V to 5.25 V, ensuring compatibility with standard 5V logic systems. It features a propagation delay of 6.5 ns, facilitating rapid signal processing in demanding digital applications.
Feature Summary
- Provides 10-bit data storage capability using D-type flip-flop elements
- Incorporates 3-state outputs to enable efficient bus sharing and system integration
- Utilizes BiCMOS technology to achieve high switching speeds and low power consumption
Applications
- High-speed parallel data bus interfaces
- System-level register storage in computing architectures
- Data latch applications requiring fast response times
Procurement Notes
Verify the specific suffix 'AM' against the manufacturer's current product status documentation to confirm availability and lead times. Ensure that the SOIC-20 package dimensions match your PCB footprint requirements. Cross-reference the RoHS compliance status with the latest environmental declarations provided by Texas Instruments before finalizing procurement orders.
Selection Notes
Select this component when designing systems requiring 10-bit parallel data latching with minimal propagation delay. The 3-state output feature allows multiple devices to share common data lines efficiently. Consider the BiCMOS process benefits for noise immunity and speed compared to standard CMOS alternatives in high-frequency environments.
Part Context
This part belongs to the CD74FCT series of FAST CMOS logic devices from Texas Instruments. The FCT family is engineered to bridge the performance gap between older TTL standards and modern CMOS technologies, offering improved speed while maintaining compatible electrical characteristics for legacy system upgrades.
Replacement Considerations
The CY74FCT821T is a documented equivalent variant within the same functional family. Verify pinout compatibility and electrical specifications before substitution. Other members of the CD74FCT821A family may offer different packaging options or temperature ranges.
