The SN74HC590AD is a high-performance, 8-bit binary counter with a storage register and 3-state outputs, designed and manufactured by Texas Instruments. This integrated circuit is part of the 74HC series, which is well-known for its high-speed CMOS technology. The device is tailored for counting and storage applications in a wide range of digital systems, from consumer electronics to industrial automation.
The SN74HC590AD features an 8-bit binary counter with a direct clear input and an 8-bit storage register that can be controlled independently. The counter advances on the rising edge of the clock signal, ensuring precise timing and synchronization with system operations. The storage register has a parallel 3-state output, which allows for increased flexibility in interfacing with other components while also enabling bus-connected systems.
Key Features:
- Wide Operating Voltage Range: The device can operate effectively across a range of 2V to 6V, making it compatible with various logic levels and suitable for mixed-voltage applications.
- High-Current 3-State Outputs: The outputs can drive up to 15 LSTTL loads, ensuring compatibility with legacy systems and sufficient drive capability for modern designs.
- Direct Clear Input: This feature allows for immediate resetting of the counter, which is essential for precise timing and control in sequential operations.
- Independent Registers: The counter and storage register can operate independently, providing greater flexibility in application design and timing considerations.
The SN74HC590AD is available in a standard SOIC-16 package, which is suitable for automated assembly processes and offers a compact footprint for space-constrained applications. The device is also characterized for operation from -40°C to 85°C, ensuring reliable performance in a wide range of environmental conditions.
With its robust feature set and Texas Instruments' reputation for quality, the SN74HC590AD is an excellent choice for designers looking to implement reliable counting and storage mechanisms in their digital systems.