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74ALS878ANT
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Product Detailed Parameters
- Description：DUAL 4 BIT D-TYPE EDGE-TRIG FF W
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Function：-
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- 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：-
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- Input Capacitance：-
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Overview
The 74ALS878ANT is a high-speed CMOS octal D-type flip-flop with registered outputs and active-low clear, manufactured by Rochester Electronics, LLC. This component belongs to the Advanced Low-power Schottky (ALS) logic family, designed for applications requiring low power consumption and high speed. It features eight independent D-type flip-flops, each equipped with a data input, clock input, and Q output. The device includes a master reset function via an active-low clear input that asynchronously resets all flip-flops to a low state when activated.
Feature Summary
- Octal configuration providing eight independent D-type flip-flops in a single package
- Active-low asynchronous clear input for immediate reset of all outputs
- Registered outputs ensuring stable data presentation at the pins
Applications
- High-speed data storage and buffering systems
- Parallel-to-serial conversion circuits
- State machine implementations in digital control systems
Procurement Notes
Verify the manufacturer marking matches Rochester Electronics, LLC specifications. Confirm the package type corresponds to the ANT suffix requirements. Ensure compatibility with existing system voltage levels and signal integrity standards before integration into final designs.
Selection Notes
Select this component for designs requiring octal D-type flip-flops with low power dissipation characteristics typical of ALS technology. Consider the active-low clear functionality for system reset requirements. Evaluate pinout compatibility with existing PCB layouts and ensure adequate thermal management for the operating environment.
Part Context
This part is part of the broader 74ALS series of logic components, known for balancing speed and power efficiency. Rochester Electronics specializes in maintaining supply of legacy and obsolete semiconductor products, ensuring continuity for long-life industrial and aerospace applications where newer replacements may not be suitable.
Replacement Considerations
Direct substitutes include other 74ALS878 variants from different manufacturers such as Texas Instruments or ON Semiconductor, provided pinouts and electrical characteristics match. Verify functional equivalence regarding clear input polarity and output registration before substitution.
