M74HCT74TTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, CMOS Logic, Dual D-Type Positive-Edge-Triggered Flip-Flop
• Package: TSSOP-14
• Essence: The M74HCT74TTR is a dual D-type flip-flop that operates at high speed and utilizes CMOS logic. It is designed to be positive-edge-triggered and can store one bit of data in each flip-flop.
• Packaging/Quantity: The M74HCT74TTR is available in a TSSOP-14 package and is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Flip-Flops: 2
• Maximum Clock Frequency: 25 MHz
• Propagation Delay: 13 ns
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The M74HCT74TTR has a total of 14 pins, which are assigned specific functions as follows:

1. CLR (Clear Input) - Active Low Clear Input
2. D1 (Data Input 1) - Data Input for Flip-Flop 1
3. CP1 (Clock Pulse Input 1) - Clock Pulse Input for Flip-Flop 1
4. Q1 (Output 1) - Output for Flip-Flop 1
5. Q̅1 (Complementary Output 1) - Complementary Output for Flip-Flop 1
6. GND (Ground) - Ground Reference
7. Q̅2 (Complementary Output 2) - Complementary Output for Flip-Flop 2
8. Q2 (Output 2) - Output for Flip-Flop 2
9. CP2 (Clock Pulse Input 2) - Clock Pulse Input for Flip-Flop 2
10. D2 (Data Input 2) - Data Input for Flip-Flop 2
11. VCC (Supply Voltage) - Positive Supply Voltage
12. PRE (Preset Input) - Active Low Preset Input
13. PR̅E (Complementary Preset Input) - Complementary Preset Input
14. CLR̅ (Complementary Clear Input) - Complementary Clear Input

Functional Features

• Dual D-Type Flip-Flop: The M74HCT74TTR consists of two independent D-type flip-flops, allowing it to store and manipulate two separate bits of data.
• Positive-Edge-Triggered: The flip-flops are triggered by the rising edge of the clock pulse, ensuring accurate and synchronized data storage.
• High-Speed Operation: With a maximum clock frequency of 25 MHz, the M74HCT74TTR is capable of handling high-speed data processing.
• CMOS Logic: The use of CMOS logic ensures low power consumption and compatibility with a wide range of digital systems.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - CMOS logic offers low power consumption. - Dual flip-flop design allows for simultaneous manipulation of two bits of data.

Disadvantages: - Limited number of flip-flops (2) may not be sufficient for complex applications requiring multiple bits of data storage. - TSSOP-14 package may require specialized equipment for soldering and handling.

Working Principles

The M74HCT74TTR operates based on the principles of positive-edge-triggered flip-flops. When a rising edge is detected on the clock pulse input (CP1 or CP2), the data present at the respective D-input (D1 or D2) is transferred to the corresponding flip-flop. The stored data can then be accessed from the output pins (Q1 or Q2) and their complementary outputs (Q̅1 or Q̅2). The clear input (CLR) and preset input (PRE) allow for resetting the flip-flops to a known state.

Detailed Application Field Plans

The M74HCT74TTR is commonly used in various digital systems and applications, including but not limited to:

1. Data Storage: The dual flip-flop design makes it suitable for storing and manipulating binary data in microcontrollers, memory units, and registers.
2. Clock Synchronization: The positive-edge-triggered operation ensures synchronized data storage and retrieval in systems that rely on precise timing.
3. Digital Communication: The M74HCT74TTR can be utilized in communication protocols such as UART (Universal Asynchronous Receiver-Transmitter) to handle data transmission and reception.
4. Control Systems: It can be employed in control systems to store and update control signals