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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20DIP
- Series：74FCT
- Mfr：Harris Corporation
- Package：Bulk
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：70 MHz
- Max Propagation Delay @ V, Max CL：-
- Trigger Type：Positive Edge
- Current - Output High, Low：15mA, 48mA
- Voltage - Supply：4.75V ~ 5.25V
- Current - Quiescent (Iq)：8 µA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：20-PDIP
- Package / Case：20-DIP (0.300", 7.62mm)
- Input Capacitance：10 pF
- Grade：-
- Qualification：-
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Overview
The CD74FCT574E is an octal D-type flip-flop manufactured by Harris Corporation, designed for digital signal storage and synchronization. It features positive edge triggering and tri-state outputs to facilitate bus-oriented memory operations. The device operates within a supply voltage range of 4.75V to 5.25V and supports a wide operating temperature range from -40°C to +85°C. Packaged in a 20-pin DIP format with a standard 0.300-inch width, it provides non-inverting data transfer capabilities suitable for high-speed digital applications requiring reliable state retention.
Feature Summary
- Octal D-type configuration with positive edge triggering for precise data capture
- Tri-state outputs enable efficient bus-oriented memory and register operations
- Non-inverting logic ensures direct data path integrity without phase inversion
Applications
- Digital signal storage systems
- Data synchronization circuits
- Bus-oriented memory registers
Procurement Notes
Verify component authenticity through authorized distributors or certified suppliers. Confirm package type matches the 20-PDIP specification. Check RoHS compliance status as indicated in official documentation. Ensure operating temperature ratings align with system requirements. Validate manufacturer identification against Harris Corporation records.
Selection Notes
Select this component for applications requiring octal storage with tri-state control. Consider the 20-PDIP package for through-hole mounting needs. Evaluate the 4.75V-5.25V supply requirement against available power rails. Assess the -40°C to +85°C temperature range for environmental suitability. Compare performance characteristics with alternative FCT series devices if space constraints exist.
Part Context
The CD74FCT574E belongs to the FCT (Fast CMOS Technology) family, offering high-speed operation compatible with LSTTL loads. As an octal flip-flop, it provides eight independent D-type stages in a single package. The device supports bidirectional data flow when integrated with appropriate control logic, making it suitable for complex digital systems requiring multiple synchronized storage elements.
Replacement Considerations
Cross-reference with CY74FCT574CTSOC for equivalent functionality from Cypress/Texas Instruments. Verify pin compatibility and electrical specifications before substitution. Ensure package dimensions match existing PCB footprints. Confirm supply voltage and temperature ranges are identical.
