The SN74LS74ADBR from Texas Instruments is a high-performance, dual D-type positive edge-triggered flip-flop integrated circuit, designed for use in a wide range of digital applications. This device is part of the 74LS family, which is known for its low power consumption and high-speed operation.
The SN74LS74ADBR features two independent D-type flip-flops with individual clear and preset inputs for each flip-flop. The clear and preset inputs are asynchronous, allowing for immediate resetting or setting of the flip-flop independently of clock signals. The flip-flops transition on the rising edge of the clock pulse, ensuring precise timing for digital operations.
With a typical clock frequency of 30 MHz, the SN74LS74ADBR is suitable for various applications such as frequency dividers, counters, and control circuits. Its 3.75V to 5.25V supply voltage range allows for compatibility with TTL logic levels, making it easy to integrate into existing systems.
The SN74LS74ADBR comes in a DBR package, which is a small-outline integrated circuit (SOIC) package with a body width of 3.9 mm. This compact form factor is ideal for space-constrained applications and provides a reliable solution for surface-mount technology (SMT) assembly processes.
Key features of the SN74LS74ADBR include:
- Dual D-type flip-flops with individual clear and preset inputs
- Positive-edge trigger for precise control
- Wide operating voltage range (3.75V to 5.25V)
- High clock frequency capability (up to 30 MHz)
- Low power Schottky (LPS) technology for reduced power consumption
- SOIC package for easy integration into SMT processes
Overall, the SN74LS74ADBR is a reliable and efficient choice for designers looking to implement flip-flop functionality in their digital systems. Its combination of high-speed operation, low power consumption, and compact packaging make it an excellent choice for a wide range of applications.