Thông số kỹ thuật
| thuộc tính | Giá trị |
| Brand | Nexperia |
| Mounting Type | SMD/SMT |
| Product Type | Flip Flops |
| Subcategory | Logic ICs |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Unit Weight | 279 mg |
| Factory Pack Quantity | 57 |
| Supply Voltage - Min | 1 V |
| Supply Voltage - Max | 5.5 V |
| Height | 1.45 mm |
| Length | 8.75 mm |
| Width | 4 mm |
| Part # Aliases | 74LV74D,112 |
| Delivery Restrictions | Mouser does not sell this product in your region. |
| Package / Case | SOIC-14 |
| Operating Supply Voltage | 3.3 V |
| Logic Type | D-Type Edge Triggered Flip-Flop |
| Logic Family | LV |
| Number of Circuits | 2 Circuit |
| Input Type | Single-Ended |
| Polarity | Inverting/Non-Inverting |
| Propagation Delay Time | 11 ns at 3.3 V |
| High Level Output Current | - 12 mA |
| Number of Input Lines | 1 |
| Number of Output Lines | 1 Line |
| Reset Type | Set, Reset |
Tổng quan
Description
The 74LV74D is a dual D-type flip-flop IC (integrated circuit) designed for low-voltage operation and high-speed performance. It belongs to the 74-series family of digital logic devices and is commonly used in applications requiring data storage, synchronization, and timing control.
Key features include:
- Dual D Flip-Flops: Contains two independent flip-flops, each with data (D), clock (CLK), set (S), and reset (R) inputs.
- Low Voltage Operation: Operates typically between 2V to 5.5V, making it suitable for battery-powered devices.
- High-Speed: Capable of fast switching speeds, making it ideal for high-frequency applications.
- Edge-Triggered: Changes output states on the rising edge of the clock signal, ensuring predictable behavior.
- Active-Low Set/Reset: Provides asynchronous control over the output states.
The 74LV74D is widely used in memory applications, counters, and other digital circuits where reliable data latching is essential. It is available in various package types, including DIP and SOIC, for ease of integration into electronic designs.
Key features include:
- Dual D Flip-Flops: Contains two independent flip-flops, each with data (D), clock (CLK), set (S), and reset (R) inputs.
- Low Voltage Operation: Operates typically between 2V to 5.5V, making it suitable for battery-powered devices.
- High-Speed: Capable of fast switching speeds, making it ideal for high-frequency applications.
- Edge-Triggered: Changes output states on the rising edge of the clock signal, ensuring predictable behavior.
- Active-Low Set/Reset: Provides asynchronous control over the output states.
The 74LV74D is widely used in memory applications, counters, and other digital circuits where reliable data latching is essential. It is available in various package types, including DIP and SOIC, for ease of integration into electronic designs.
Equivalent
The 74LV74D is a dual D-type flip-flop with preset and clear functions. Equivalent products include the 74HC74, 74HCT74, and 74LS74. These chips serve similar functions but may have different voltage levels, speed, or power characteristics. Always check datasheets for specific electrical characteristics and application compatibility.
Features
The 74LV74D is a dual D-type flip-flop with a wide range of features:
1. Dual Functionality: It contains two independent D-type flip-flops, allowing for separate data storage and manipulation.
2. High-Speed Operation: Designed for low-voltage operation (2V to 5.5V), it offers fast switching speeds, making it suitable for high-performance applications.
3. Edge-Triggered: The flip-flops are triggered on the rising edge of the clock signal, ensuring reliable data capture.
4. Asynchronous Set/Reset: Each flip-flop includes asynchronous set (S) and reset (R) inputs, allowing for immediate state changes regardless of the clock.
5. Low Power Consumption: The LV series is optimized for low power use, which is advantageous for battery-operated devices.
6. TTL-Compatible: It interfaces well with TTL logic levels, ensuring compatibility with various digital circuits.
7. Wide Application Range: Used in data storage, memory management, and state machine design in various electronic devices.
These features make the 74LV74D versatile for digital logic applications.
1. Dual Functionality: It contains two independent D-type flip-flops, allowing for separate data storage and manipulation.
2. High-Speed Operation: Designed for low-voltage operation (2V to 5.5V), it offers fast switching speeds, making it suitable for high-performance applications.
3. Edge-Triggered: The flip-flops are triggered on the rising edge of the clock signal, ensuring reliable data capture.
4. Asynchronous Set/Reset: Each flip-flop includes asynchronous set (S) and reset (R) inputs, allowing for immediate state changes regardless of the clock.
5. Low Power Consumption: The LV series is optimized for low power use, which is advantageous for battery-operated devices.
6. TTL-Compatible: It interfaces well with TTL logic levels, ensuring compatibility with various digital circuits.
7. Wide Application Range: Used in data storage, memory management, and state machine design in various electronic devices.
These features make the 74LV74D versatile for digital logic applications.
Pinout
The 74LV74D is a dual D-type flip-flop with a total of 14 pins. Its primary functions include data storage and synchronization in digital circuits. The pin configuration is as follows:
1. 1 - Q1: Output of the first flip-flop.
2. 2 - Q1' (not Q1): Inverted output of the first flip-flop.
3. 3 - D1: Data input for the first flip-flop.
4. 4 - CLK1: Clock input for the first flip-flop.
5. 5 - CLR1: Active low clear input for the first flip-flop.
6. 6 - PRE1: Active low preset input for the first flip-flop.
7. 7 - GND: Ground connection.
8. 8 - VCC: Power supply (typically +2V to +5.5V).
9. 9 - PRE2: Active low preset input for the second flip-flop.
10. 10 - CLR2: Active low clear input for the second flip-flop.
11. 11 - CLK2: Clock input for the second flip-flop.
12. 12 - D2: Data input for the second flip-flop.
13. 13 - Q2: Output of the second flip-flop.
14. 14 - Q2' (not Q2): Inverted output of the second flip-flop.
This IC is used in various applications requiring reliable data processing and timing control.
1. 1 - Q1: Output of the first flip-flop.
2. 2 - Q1' (not Q1): Inverted output of the first flip-flop.
3. 3 - D1: Data input for the first flip-flop.
4. 4 - CLK1: Clock input for the first flip-flop.
5. 5 - CLR1: Active low clear input for the first flip-flop.
6. 6 - PRE1: Active low preset input for the first flip-flop.
7. 7 - GND: Ground connection.
8. 8 - VCC: Power supply (typically +2V to +5.5V).
9. 9 - PRE2: Active low preset input for the second flip-flop.
10. 10 - CLR2: Active low clear input for the second flip-flop.
11. 11 - CLK2: Clock input for the second flip-flop.
12. 12 - D2: Data input for the second flip-flop.
13. 13 - Q2: Output of the second flip-flop.
14. 14 - Q2' (not Q2): Inverted output of the second flip-flop.
This IC is used in various applications requiring reliable data processing and timing control.
Manufacturer
The 74LV74D is a dual D-type flip-flop integrated circuit manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. Founded in 1930, TI is known for designing and manufacturing a wide range of electronic components, including analog and digital semiconductors, embedded processors, and microcontrollers. The company serves various industries, including automotive, industrial, communications, and consumer electronics.
Texas Instruments is recognized for its innovation in the semiconductor space and has a significant presence in the market for logic devices, including flip-flops like the 74LV74D, which is used in digital circuits for data storage and synchronization. The company invests heavily in research and development to advance technology and maintain its competitive edge. Additionally, TI provides extensive technical support and resources for engineers and designers, making it a key player in the electronics industry.
Texas Instruments is recognized for its innovation in the semiconductor space and has a significant presence in the market for logic devices, including flip-flops like the 74LV74D, which is used in digital circuits for data storage and synchronization. The company invests heavily in research and development to advance technology and maintain its competitive edge. Additionally, TI provides extensive technical support and resources for engineers and designers, making it a key player in the electronics industry.
Application
The 74LV74D is a dual D-type flip-flop used in various digital applications. Key application areas include:
1. Data Storage: Temporary storage of binary data in registers.
2. Frequency Division: Used in frequency dividers in clock circuits.
3. State Machines: Essential for creating finite state machines in digital circuits.
4. Synchronization: Helps synchronize asynchronous signals in digital systems.
5. Control Logic: Utilized in control circuits for managing sequential operations.
6. Counters: Forms the basis for implementing binary counters.
Its low voltage operation makes it suitable for battery-powered devices.
1. Data Storage: Temporary storage of binary data in registers.
2. Frequency Division: Used in frequency dividers in clock circuits.
3. State Machines: Essential for creating finite state machines in digital circuits.
4. Synchronization: Helps synchronize asynchronous signals in digital systems.
5. Control Logic: Utilized in control circuits for managing sequential operations.
6. Counters: Forms the basis for implementing binary counters.
Its low voltage operation makes it suitable for battery-powered devices.
Package
The 74LV74D is typically available in a Dual In-Line Package (DIP) format, specifically a 14-pin package. It can also be found in Surface Mount Device (SMD) packages like TSSOP or SOIC, depending on the manufacturer.
