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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20DIP
- Series：74HC
- Mfr：Texas Instruments
- Package：Tube
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：60 MHz
- Max Propagation Delay @ V, Max CL：28ns @ 6V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：7.8mA, 7.8mA
- Voltage - Supply：2V ~ 6V
- Current - Quiescent (Iq)：8 µA
- Operating Temperature：-55°C ~ 125°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 CD74HC564E is an octal D-type flip-flop manufactured by Texas Instruments in the 74HC logic series. It features positive-edge-triggered data latching and three-state inverting outputs. The device operates on a single supply voltage ranging from 2 V to 6 V. It utilizes a 20-pin PDIP package for through-hole mounting. The component supports a wide operating temperature range from -55 °C to +125 °C, ensuring reliability in diverse environments.
Feature Summary
- Octal configuration providing eight independent D-type flip-flops within a single integrated circuit
- Positive-edge-triggered clock mechanism for precise data synchronization and storage
- Three-state inverting outputs allowing direct interface with bus-oriented systems
Applications
- Parallel-to-serial or serial-to-parallel data conversion circuits
- Digital signal processing systems requiring temporary data storage
- Microprocessor-based interfaces managing input/output operations
Procurement Notes
Verify the specific suffix 'E' confirms the PDIP-20 through-hole package variant. Confirm RoHS compliance status via the manufacturer's official documentation. Ensure the ordering part number matches the exact logic family requirements for your design specifications.
Selection Notes
Select this component when an octal storage solution with inverting outputs is required. The 74HC series offers high-speed CMOS performance suitable for general-purpose digital applications. Consider the three-state capability if bus isolation is necessary for the system architecture.
Part Context
This part belongs to the Texas Instruments CD74HC564 family of high-speed CMOS logic devices. It serves as a standard octal flip-flop within the broader 74-series logic ecosystem. The device complements other logic gates and registers used in complex digital circuit designs.
Replacement Considerations
Compatible substitutes include the SN74HC564N and generic equivalents such as the MM74HC564M. Verify pin compatibility and electrical characteristics before substitution.
