Product Overview: 74ACT16543DGGRG4 from Texas Instruments

The 74ACT16543DGGRG4 is a high-performance, 16-bit transparent D-type latch designed by Texas Instruments. It is part of the 74ACT family, which is known for its advanced high-speed CMOS technology. This product is suitable for a wide range of applications, including memory address latching, data storage, and bus-oriented systems, where it provides a robust interface and enhances signal integrity.

This specific model comes in a TSSOP (Thin Shrink Small Outline Package) with 48 pins, under the part number DGGRG4, offering a compact footprint for space-constrained applications. The device operates over a broad voltage range of 4.5V to 5.5V, making it compatible with TTL levels, and it features a maximum operating temperature range from -40°C to +85°C, ensuring reliability across various environments.

Key Features and Benefits

• High-Speed Operation: The 74ACT16543DGGRG4 is designed to support the high-speed requirements of modern digital systems, ensuring quick data transfer and minimal propagation delays.
• Low Power Consumption: Despite its high-speed capabilities, the device maintains low power dissipation, which is crucial for energy-sensitive applications.
• Output Drive Capability: With strong output drive capability, this latch can drive heavily loaded outputs without compromising signal quality, which is essential for maintaining data integrity.
• Transparent Latches: The transparent nature of the latches allows data to flow through when the latch-enable (LE) input is high, and data is captured when LE is taken low.
• Bus-Hold Data Inputs: These inputs eliminate the need for external pull-up/pull-down resistors, simplifying circuit design and reducing component count.
• Flow-Through Architecture: The design of the 74ACT16543DGGRG4 facilitates easy PCB layout by adopting a flow-through architecture that enhances signal routing.

Applications

The versatility of the 74ACT16543DGGRG4 allows it to be used in various applications, including:

• Memory Address Latching
• Data Acquisition Systems
• Communication Interfaces
• Microprocessor/Microcontroller Systems

Overall, the 74ACT16543DGGRG4 from Texas Instruments is a reliable and efficient solution for designers looking to implement high-speed latching mechanisms in their digital systems. Its robust feature set and adherence to industry standards make it a valuable component for a broad spectrum of electronic products.