Product Overview: SN74ALS646A-1DWRE4

The SN74ALS646A-1DWRE4 is a high-performance integrated circuit from Texas Instruments, renowned for its reliability and versatility in digital systems. This particular model is part of the Advanced Low-Power Schottky (ALS) family, designed to offer both high-speed operation and low power consumption, making it an excellent choice for a wide range of applications.

Key Features

• Octal Bus Transceivers and Registers: The device includes eight bidirectional transceivers and eight D-type flip-flops, facilitating the easy transfer and storage of data.
• Wide Operating Voltage Range: It operates at a voltage range of 4.5V to 5.5V, which is compatible with most TTL circuits, ensuring easy integration into existing designs.
• High-Current 3-State Outputs: The outputs can sink 24 mA and source up to 15 mA, providing good drive capability while also supporting the 3-state feature, which allows for connection to a common bus line without interference.
• Direct Bus Connection: The bus transceivers are designed to directly drive the bus lines in a high-capacitance bus environment, ensuring stable performance in complex systems.
• Edge-Triggered D-Type Flip-Flops: With the edge-triggered design, the flip-flops ensure accurate data storage on the rising edge of the clock pulse.

Applications

The SN74ALS646A-1DWRE4 is suitable for a broad range of applications, particularly where high-speed, low-power operation is essential. It is commonly used in:

• Data communication systems
• Computer motherboards
• Peripheral interfaces
• Microprocessor or microcontroller-based systems

Quality and Reliability

As with all Texas Instruments products, the SN74ALS646A-1DWRE4 is manufactured to the highest quality standards. It is offered in a 24-pin wide-body SOIC package, providing robustness and ease of mounting on printed circuit boards. The device also meets or exceeds the specifications of the Joint Electron Device Engineering Council (JEDEC).

For detailed specifications, application notes, and additional resources, interested customers are encouraged to visit the Texas Instruments website or contact their support team for personalized assistance.