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Product Detailed Parameters
- Description：FAST CMOS BUS INTERFACE REGISTER
- Series：*
- Mfr：Harris Corporation
- 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：-
- Qualification：-
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Overview
The CD74FCT821AMR2499 is a FAST CMOS bus interface register manufactured by Harris Corporation. It functions as a flip-flop logic component designed for high-speed data handling within digital systems. The device integrates bus interface capabilities with registered storage, enabling reliable signal transmission and synchronization in complex electronic architectures.
Feature Summary
- FAST CMOS technology for high-speed operation
- Integrated bus interface register functionality
- Flip-flop logic design for data synchronization
Applications
- High-speed digital data buses
- System interconnects requiring registered interfaces
- Multiplexed data transmission systems
Procurement Notes
Verify the manufacturer designation as Harris Corporation or its successors, such as Intersil or Renesas, due to corporate acquisitions. Confirm the specific suffix AMR2499 matches the required tape-and-reel packaging and temperature grade. Ensure compatibility with existing FCT series logic families in the target design.
Selection Notes
Select this component when a registered bus interface with FAST CMOS speed is required. It is suitable for designs needing integrated flip-flop functionality on bidirectional data lines. Consider package availability and supply chain continuity from current authorized distributors given the legacy status of the original Harris brand.
Part Context
This part belongs to the CD74FCT series of FAST CMOS logic devices. It represents a specialized variant combining bus transceiver characteristics with registered output stages. The component is part of Harris's portfolio aimed at improving system performance through faster switching speeds and lower power consumption compared to standard TTL equivalents.
Replacement Considerations
Check for direct pin-compatible replacements from Intersil or Renesas under the same CD74FCT naming convention. Verify electrical parameters against modern equivalents if sourcing from alternative manufacturers.
