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Product Detailed Parameters
- Description：HIGH SPEED CMOS LOGIC DUAL POSIT
- Series：54HC
- Mfr：Texas Instruments
- Package：Tube
- Function：Set(Preset) and Reset
- Type：D-Type
- Output Type：Complementary
- Number of Elements：2
- Number of Bits per Element：1
- Clock Frequency：35 MHz
- Max Propagation Delay @ V, Max CL：34ns @ 6V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：5.2mA, 5.2mA
- Voltage - Supply：2V ~ 6V
- Current - Quiescent (Iq)：4 µA
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：14-CDIP
- Package / Case：14-CDIP (0.300", 7.62mm)
- Input Capacitance：10 pF
- Grade：-
- Qualification：-
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Overview
The CD54HC74F is a high-speed CMOS logic device manufactured by Texas Instruments. It functions as a dual positive-edge-triggered D flip-flop with complementary outputs. The component utilizes HC/UH series technology and is housed in a ceramic CDIP-14 package. It operates within a supply voltage range of 2V to 6V and supports a maximum frequency of 20MHz at nominal supply conditions. The device features a load capacitance specification of 50pF and a maximum low-level output current of 4mA.
Feature Summary
- Dual positive-edge-triggered D flip-flop architecture
- Complementary output configuration for signal versatility
- High-speed CMOS technology for efficient operation
- Ceramic sealed package construction for durability
Applications
- Parallel-to-serial data conversion circuits
- Shift register implementations
- Digital state storage elements
- Timing control logic systems
Procurement Notes
Verify the specific suffix 'F' against official Texas Instruments documentation to confirm package type and material specifications. Ensure compatibility with existing system voltage levels and thermal requirements before integration. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability.
Selection Notes
Select this component when dual independent D flip-flops are required in a robust ceramic package. Consider the HC series speed and voltage characteristics relative to other logic families. Evaluate the complementary output feature against applications requiring both true and inverted signals from a single stage.
Part Context
This device belongs to the Texas Instruments CD54HCxx series, designed for military and aerospace grade applications requiring high reliability. It complements other hex and quad flip-flop variants within the same logic family, offering distinct pin counts and functional densities for various digital design constraints.
Replacement Considerations
CD54HC74M
FAQ
What is the trigger mechanism for the CD54HC74F?
The device uses a positive-edge-triggered mechanism to capture input data.
Does the CD54HC74F provide inverted outputs?
Yes, it features complementary outputs for each flip-flop stage.
