Overview
The SN74LVC74APWR is a dual-edge-triggered D-type flip-flop produced by Texas Instruments. It is part of the 74LVC logic family and is designed for use in digital logic applications. This component features independent data (nD), clock (nCP), set (nSD), and reset (nRD) inputs, along with complementary nQ and nQ outputs. It operates with a wide supply voltage range of 1.2V to 3.6V, making it suitable for low-power and mixed-voltage systems. The SN74LVC74APWR is ideal for applications requiring reliable clocked data storage and transfer, such as in consumer electronics, industrial automation, and communication systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Family | 74LVC | - | - |
| Function | D-Type Flip-Flop | - | Dual-edge-triggered |
| Output Type | Complementary | - | - |
| Clock Frequency | 250 | MHz | - |
| Propagation Delay | 6.5 | ns | @3.3V, 50pF |
| Supply Voltage | 1.65 to 3.6 | V | - |
| Static Current (Max) | 40 | µA | - |
| Input Capacitance | 4 | pF | - |
| Output Current (Low) | 24 | mA | - |
| Output Current (High) | 24 | mA | - |
| Operating Temperature | -40 to +105 | °C | - |
| Package | TSSOP-14 | - | - |
Key Features
- Wide supply voltage range of 1.2V to 3.6V for compatibility with low-power systems.
- Supports 5V input tolerance for interfacing with higher voltage logic.
- Low power consumption due to CMOS technology.
- Direct interface with TTL logic levels.
- Asynchronous set and reset inputs for flexible control.
- High-speed operation with a clock frequency of up to 250MHz.
Applications
The SN74LVC74APWR is widely used in various digital systems, including consumer electronics, industrial automation, and communication devices. Its ability to operate at low voltages and high speeds makes it suitable for battery-powered and high-performance applications. Specific use cases include data storage, signal synchronization, and state machine implementations. Its robust design ensures reliable performance in harsh environments, making it a preferred choice for industrial and automotive applications.
Q & A
1. What is the operating voltage range of the SN74LVC74APWR?
The SN74LVC74APWR operates within a supply voltage range of 1.65V to 3.6V.
2. Can the SN74LVC74APWR interface with 5V logic?
Yes, it supports 5V input tolerance, allowing it to interface with 5V logic systems.
3. What is the maximum clock frequency supported?
The maximum clock frequency is 250MHz.
4. What is the typical propagation delay?
The propagation delay is 6.5ns at 3.3V with a 50pF load.
5. Is the SN74LVC74APWR suitable for low-power applications?
Yes, it features CMOS technology, ensuring low power consumption.
6. What are the package options for this component?
It is available in a TSSOP-14 package.
7. Does it have asynchronous set and reset inputs?
Yes, it includes asynchronous set (nSD) and reset (nRD) inputs.
8. What is the operating temperature range?
It operates within a temperature range of -40°C to +105°C.
9. Can it be used in automotive applications?
Yes, its robust design makes it suitable for automotive and industrial applications.
10. What is the input capacitance of the SN74LVC74APWR?
The input capacitance is 4pF.
