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Product Detailed Parameters
- Description：HIGH SPEED CMOS LOGIC DUAL NEGAT
- Series：54HC
- Mfr：Texas Instruments
- Package：Tube
- Function：Reset
- Type：JK Type
- Output Type：Complementary
- Number of Elements：2
- Number of Bits per Element：1
- Clock Frequency：60 MHz
- Max Propagation Delay @ V, Max CL：28ns @ 6V, 50pF
- Trigger Type：Negative 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 CD54HC73F3A is a high-speed CMOS logic device featuring dual negative-edge triggered J-K flip-flops with asynchronous reset. It operates within a supply voltage range of 2V to 6V and supports data rates up to 20MHz. The component is housed in a 14-CDIP package, designed for military-grade reliability across an extended temperature range from -55°C to 125°C.
Feature Summary
- Hysteresis on clock inputs for improved noise immunity
- Asynchronous reset functionality
- Complementary outputs
Applications
- Military-grade digital logic circuits
- High-speed data processing systems
- Industrial control applications requiring wide temperature tolerance
Procurement Notes
Verify the specific suffix F3A corresponds to the 14-CDIP package configuration when sourcing. Confirm that the component meets the required military temperature specifications (-55°C to 125°C) for your intended environment. Ensure compatibility with existing system voltage levels, as the HC series requires proper decoupling and input conditioning to maintain signal integrity at high speeds.
Selection Notes
Select this component when dual independent J-K flip-flops are required in a single package for space-constrained designs. The CD54 series offers superior radiation hardness and temperature stability compared to commercial variants. Consider the CDIP package for through-hole mounting requirements or legacy board designs where surface-mount alternatives are not feasible.
Part Context
This part belongs to Texas Instruments' 54HC family of high-speed CMOS logic devices. The 54 series designation indicates military-grade performance standards, including extended temperature ranges and enhanced reliability testing. The HC technology provides fast switching speeds while maintaining low power consumption, making it suitable for complex digital systems.
Replacement Considerations
The CD54HC73 is the standard commercial equivalent without the military-grade packaging and testing. For pin-compatible alternatives, consider other dual J-K flip-flops from the same family, ensuring voltage and speed requirements match.
