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Product Detailed Parameters
- Description：BUS DRIVER, FCT SERIES
- 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：-
- Qualification：-
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Overview
The CY74FCT374TQCT is an octal D-type flip-flop register manufactured by Texas Instruments, belonging to the FCT logic series. It features eight non-inverting outputs with three-state capability and operates within a supply voltage range of 4.75 V to 5.25 V. The device utilizes a 20-pin QSOP package and supports surface-mount installation. Key electrical parameters include a propagation delay of 10 ns at 5 V with 50 pF load, high-level output current of -32 mA, and low-level output current of 64 mA. It functions reliably across an operating temperature range of -40°C to +85°C.
Feature Summary
- Octal D-type flip-flop configuration with positive-edge triggering for data storage
- Three-state outputs enable direct bus-driven connections without external buffers
- Power-off disable feature allows live insertion into powered systems
Applications
- High-speed parallel data buffering in digital communication systems
- Registering data on microprocessor buses with controlled drive strength
- Clock domain crossing interfaces requiring precise timing control
Procurement Notes
Verify the specific suffix against official datasheets to confirm package type and compliance status. Confirm moisture sensitivity level requirements for your assembly process. Ensure the ordering information matches the exact pinout and electrical characteristics required for your design. Cross-reference manufacturer part numbers to avoid substitution errors.
Selection Notes
Select this component when designing circuits requiring octal data latching with high drive capability. The FCT series offers speed comparable to LS TTL with CMOS power consumption. Consider the 20-lead QSOP package for space-constrained applications. Verify that the 5V supply voltage aligns with your system architecture before finalizing the selection.
Part Context
This component is part of the broader 74FCT family of high-speed CMOS logic devices. It serves as a standard solution for registering eight bits of data in parallel architectures. The device integrates directly with microprocessors and memory systems, providing reliable data retention and transfer capabilities in complex digital designs.
Replacement Considerations
Check for CY74FCT374TSOCT or CY74FCT374ATQCT equivalents if different packaging or minor parameter variations are acceptable. Verify pin compatibility and electrical specifications before substituting.
