74AHCT74D,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power, dual D-type flip-flop
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Digital Logic IC
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Current: -4mA
• Low-Level Output Current: 4mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74AHCT74D,118 has a total of 14 pins. The pin configuration is as follows:

1. CLR (Clear) - Clear input
2. D (Data) - Data input
3. CLK (Clock) - Clock input
4. Q (Output) - Output
5. GND (Ground) - Ground
6. Q (Output) - Complementary output
7. VCC (Supply Voltage) - Positive supply voltage
8. D (Data) - Complementary data input
9. CLK (Clock) - Complementary clock input
10. CLR (Clear) - Complementary clear input
11. Q (Output) - Complementary output
12. GND (Ground) - Ground
13. Q (Output) - Output
14. VCC (Supply Voltage) - Positive supply voltage

Functional Features

• Dual D-type positive-edge-triggered flip-flop
• Direct clear input for synchronous reset
• Complementary outputs for both Q and Q outputs
• High-speed operation with low power consumption
• Compatible with TTL (Transistor-Transistor Logic) input levels

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Low power consumption helps in reducing energy usage - Synchronous reset feature ensures reliable operation - Complementary outputs provide flexibility in circuit design

Disadvantages: - Limited supply voltage range may restrict certain applications - Not suitable for high-voltage or high-current applications

Working Principles

The 74AHCT74D,118 is a dual D-type flip-flop that operates on positive-edge-triggered clock signals. It stores data at the input (D) when a rising edge is detected at the clock input (CLK). The stored data is then available at the output (Q) and its complement (Q̅). The clear input (CLR) can be used to reset the flip-flop synchronously.

Detailed Application Field Plans

The 74AHCT74D,118 is commonly used in various digital systems and applications, including: 1. Sequential logic circuits 2. Data storage and transfer systems 3. Microcontrollers and microprocessors 4. Communication systems 5. Control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the 74AHCT74D,118 are: 1. SN74LS74A - Dual D Flip-Flop with Clear 2. CD4013B - CMOS Dual D-Type Flip-Flop 3. MC74HC74A - Dual D Flip-Flop with Set and Reset

These alternative models offer similar functionality and can be used as substitutes based on specific requirements.

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