CD54HCT74F3A

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CD54HCT74F3A

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IC FF D-TYPE DOUBLE 1BIT 14CDIP

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Specifications

Attribute Value
Series 54HCT
Part Status Active
Function Set(Preset) and Reset
Type D-Type
Output Type Complementary
Number of Elements 2
Number of Bits per Element 1
Clock Frequency 25 MHz
Max Propagation Delay @ V, Max CL 40ns @ 4.5V, 50pF
Trigger Type Positive Edge
Current - Output High, Low 4mA, 4mA
Voltage - Supply 4.5V ~ 5.5V
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

Overview

Description

The CD54HCT74F3A is likely a model number for an integrated circuit (IC) chip, specifically a type of dual D-type flip-flop with set and reset functions. As a member of the HCT series, it operates effectively with CMOS technology while being compatible with TTL logic levels. The "54" prefix indicates it may be part of a series intended for military or wider temperature range applications, while "74" signifies a standard series for digital logic ICs. Flip-flops like this one are fundamental building blocks in digital electronics, used for storing binary data, and are commonly employed in shift registers, counters, and memory devices. The device operates by capturing the value of data inputs on a rising clock edge, allowing for edge-triggered storage and manipulation of binary information. These characteristics make the chip suitable for synchronous and asynchronous circuits in various computing and control systems. Always refer to the specific datasheet for detailed specifications and application guidance.

Equivalent

The CD54HCT74F3A is a dual D-type flip-flop with clear and preset features. Equivalent products include:
1. 74HCT74 - A widely used dual D-type flip-flop from manufacturers like Texas Instruments, NXP, and ON Semiconductor.
2. SN74HCT74 - Texas Instruments' version of the dual D-type flip-flop.
3. MC74HCT74A - ON Semiconductor's equivalent.
4. TC74HCT74A - Toshiba’s version of the component.
Always verify the specifications from datasheets to ensure compatibility for your specific application.

Features

The CD54HCT74F3A is a high-speed CMOS dual D-type flip-flop with preset and clear features. Key features include:
1. Dual Flip-Flops: Contains two identical, independent D-type flip-flops.
2. Preset and Clear: Each flip-flop has direct preset (PRE) and clear (CLR) inputs, allowing asynchronous set and reset functions.
3. High-Speed Operation: Designed for high-speed operation with low power consumption, typical of advanced CMOS technology.
4. Logic Level Compatibility: Compatible with standard TTL logic levels, making it versatile in mixed-signal applications.
5. Low Power Consumption: Benefits from CMOS technology, which provides low power dissipation.
6. Wide Supply Range: Operates over a wide range of supply voltages, enhancing flexibility in various applications.
7. Typical Applications: Used in digital systems for data storage, counters, shift registers, and control circuits.
8. Package Options: Available in various package types to suit different design requirements.
These features make the CD54HCT74F3A suitable for applications requiring reliable and efficient digital storage and switching.

Pinout

The CD54HCT74F3A is a dual D-type positive-edge-triggered flip-flop with a pin count of 14. It features two independent flip-flops, each with its own set of inputs and outputs, including data input (D), clock input (CP), set (SD\), reset (RD\), and complementary outputs (Q and Q\). The device operates on a high-speed CMOS technology, providing compatibility with TTL logic levels.
Key pin functions include:
- D (Data Input): The data input for the flip-flop.
- CP (Clock Input): Triggers data to be transferred from the data input to the output on the rising edge.
- SD\ (Set Input, active low): Sets the output Q to high when active.
- RD\ (Reset Input, active low): Resets the output Q to low when active.
- Q (Output): Reflects the current state of the flip-flop.
- Q\ (Complementary Output): Provides the inverse of the Q output.
This IC is widely used in digital circuits for data storage, data transfer synchronization, and shift registers.

Manufacturer

The CD54HCT74F3A is manufactured by Texas Instruments (TI), which is a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide variety of semiconductor devices, including integrated circuits, analog chips, embedded processors, and digital signal processors. The company serves multiple sectors, such as automotive, industrial, communication equipment, enterprise systems, and personal electronics. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest producers of semiconductors worldwide and is recognized for its innovation and contributions to the electronics industry.

Application

The CD54HCT74F3A is a dual D-type flip-flop with set and reset functions. Its application areas include digital data storage, frequency division, data synchronization, and pulse counting. It can be used in digital circuits for temporary data storage, acting as a memory element in sequential logic. Additionally, it is suitable for creating shift registers, counters, and other timing-related circuits. Its fast switching capabilities make it ideal for high-speed digital applications in computer systems, communication devices, and various consumer electronics.

Package

The CD54HCT74F3A is typically available in a dual in-line package (DIP), which is a common type for integrated circuits. However, specific packaging details can vary by manufacturer, so it's advisable to check the datasheet or manufacturer’s details for precise information.

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