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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20SOIC
- Series：74FCT
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：5.2ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：15mA, 12mA
- Voltage - Supply：4.75V ~ 5.25V
- Current - Quiescent (Iq)：200 µA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SOIC
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Input Capacitance：5 pF
- Grade：-
- Qualification：-
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Overview
The CY74FCT2574CTSOC is an octal D-type register manufactured by Texas Instruments within the FCT logic series. It features a single circuit with non-inverting polarity and TTL input levels. The device provides single-ended outputs in a SOIC-20 package, designed for surface mount installation. Key electrical parameters include a propagation delay of 6.5 ns, high-level output current capability of -15 mA, and low-level output current of 12 mA. It operates on a power supply voltage ranging from 4.75 V to 5.25 V and supports a temperature range from -40°C to +85°C.
Feature Summary
- Octal D-type register configuration providing eight independent data storage channels
- TTL-compatible input levels ensuring direct interface with standard logic systems
- Single-ended output structure supporting dedicated signal routing applications
Applications
- Data latching in microprocessor-based memory interfaces
- Parallel-to-serial data conversion stages
- Bus holding circuits in digital communication systems
Procurement Notes
Verify component authenticity through authorized distributors or manufacturer channels. Confirm lot traceability and RoHS compliance status prior to integration. Review datasheet specifications for operating conditions and thermal requirements. Ensure packaging integrity matches design constraints. Validate pinout compatibility with target PCB footprint.
Selection Notes
Evaluate propagation delay and drive current against system timing requirements. Compare SOIC-20 package dimensions with available board space. Assess thermal performance within the specified operating temperature range. Verify TTL input threshold compatibility with source logic family. Consider availability and lifecycle status for long-term production planning.
Part Context
This component belongs to the CY74FCT2574T series of octal registers. It shares functional similarities with other FCT family devices but offers specific output current characteristics suited for moderate load driving. The SOIC-20 package provides a compact solution for dense circuit designs requiring multiple parallel data storage elements.
Replacement Considerations
Cross-reference with CY74FCT2574ATSOCE4 for alternative suffix variations. Check CY74FCT574TSOC for similar octal register functionality with different output drive capabilities. Verify pinout and parameter alignment before substitution.
