MC74HCT74AN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, CMOS technology
• Package: DIP (Dual In-line Package)
• Essence: Dual D-type Positive Edge-Triggered Flip-Flop
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

The MC74HCT74AN is a dual D-type positive edge-triggered flip-flop integrated circuit. It operates on high-speed CMOS technology, making it suitable for various digital applications. The IC comes in a DIP package, which provides ease of use and compatibility with standard breadboards and PCBs.

Detailed Pin Configuration

The MC74HCT74AN has a total of 14 pins, each serving a specific function. The pin configuration is as follows:

1. Clear (CLR) - Clears the output Q and its complement Q̅ to low state.
2. Data (D) - Input for data to be stored.
3. Clock (CLK) - Positive edge-triggered clock input.
4. Set (SET) - Sets the output Q and its complement Q̅ to high state.
5. Output Q - Output for stored data.
6. Output Q̅ - Complement output for stored data.
7. Ground (GND) - Ground reference voltage.
8. Output Q̅ - Complement output for stored data.
9. Output Q - Output for stored data.
10. Set (SET) - Sets the output Q and its complement Q̅ to high state.
11. Clock (CLK) - Positive edge-triggered clock input.
12. Data (D) - Input for data to be stored.
13. Clear (CLR) - Clears the output Q and its complement Q̅ to low state.
14. VCC - Positive power supply voltage.

Functional Features

The MC74HCT74AN offers the following functional features:

• Dual D-type flip-flop with independent set and clear inputs.
• Positive edge-triggered clock input for synchronized data storage.
• High-speed operation due to CMOS technology.
• Wide operating voltage range (2V to 6V).
• Low power consumption.
• Direct compatibility with TTL logic levels.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - CMOS technology ensures low power consumption. - Compatibility with TTL logic levels simplifies integration into existing systems. - Independent set and clear inputs provide flexibility in controlling the output.

Disadvantages: - Limited operating voltage range may restrict certain applications. - The DIP package may not be suitable for space-constrained designs.

Working Principles

The MC74HCT74AN operates as a positive edge-triggered flip-flop. When the clock input (CLK) receives a rising edge, the data input (D) is stored and reflected at the outputs Q and Q̅. The set (SET) and clear (CLR) inputs allow for manual control of the output states. The IC operates on CMOS technology, ensuring high-speed operation and low power consumption.

Detailed Application Field Plans

The MC74HCT74AN finds applications in various digital systems, including but not limited to:

1. Sequential logic circuits
2. Data storage and retrieval systems
3. Counters and frequency dividers
4. Registers and shift registers
5. Timing and synchronization circuits

Detailed and Complete Alternative Models

1. SN74HCT74N - Similar dual D-type positive edge-triggered flip-flop IC from Texas Instruments.
2. CD74HCT74E - Dual D-type positive edge-triggered flip-flop IC from Texas Instruments with extended temperature range.
3. 74HC74 - Dual D-type positive edge-triggered flip-flop IC from NXP Semiconductors.

These alternative models offer similar functionality and can be used as substitutes for the MC74HCT74AN in various applications.

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