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Product Detailed Parameters
- Description：D FLIP-FLOP, 8-FUNC
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Function：-
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- Output Type：-
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- Number of Bits per Element：-
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- Max Propagation Delay @ V, Max CL：-
- Trigger Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
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- Supplier Device Package：-
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Overview
The Fairchild Semiconductor 74LS574SCX is an octal D-type flip-flop featuring three-state outputs, manufactured using Schottky TTL technology. It provides eight independent D-type latches with clocked data storage and high-impedance output control. The component operates within a standard voltage range typical for LS logic families, ensuring reliable performance in digital systems requiring fast switching speeds and low power dissipation compared to standard TTL.
Feature Summary
- Octal D-type flip-flop architecture with eight independent data latches
- Three-state output capability for bus-oriented designs
- Schottky TTL construction for high-speed operation
- Positive-edge triggering mechanism for precise timing control
Applications
- Parallel data storage registers in digital systems
- Bus interface circuits requiring tri-state isolation
- Timing and sequencing logic applications
- General-purpose memory elements in microprocessor systems
Procurement Notes
Verify the manufacturer part number against official Fairchild or ON Semiconductor documentation to ensure authenticity. Confirm that the package type matches the required PCB footprint and pin configuration. Check for any specific handling requirements related to static-sensitive devices during installation and storage procedures.
Selection Notes
Select this component when designing circuits requiring octal storage with tri-state outputs using Schottky TTL logic levels. Ensure compatibility with existing system voltage supplies and signal integrity requirements. Consider thermal management and board space constraints associated with the specified package style for optimal integration.
Part Context
This device belongs to the 74LS series of logic integrated circuits, widely used in digital electronics for its balance of speed and power consumption. The 74LS574 variant specifically addresses needs for multi-bit data retention with controlled output states, serving as a fundamental building block in complex digital logic designs and data processing architectures.
Replacement Considerations
Compatible substitutes include the 74LS573 latch variant if transparent latching is acceptable instead of edge-triggered storage. Other manufacturers offer equivalent octal D-type flip-flops with three-state outputs; verify pinout compatibility and electrical specifications before substitution.
