Product Overview: 74HC299D by NXP

The 74HC299D is a high-performance integrated circuit designed and manufactured by NXP Semiconductors. This versatile device is part of the 74HC (High-speed CMOS) family, known for its robust performance and compatibility with TTL (Transistor-Transistor Logic) levels. The 74HC299D is an 8-bit universal shift/storage register with 3-state outputs, encapsulated in a space-saving SOIC-20 (Small Outline Integrated Circuit) package.

Key Features

• Logic Type: Universal Shift/Storage Register
• Number of Bits: 8 bits
• Output Type: 3-State
• Supply Voltage Range: 2.0V to 6.0V
• Operating Temperature: -40°C to +125°C
• Package: SOIC-20
• Mounting Type: Surface Mount

Functional Description

The 74HC299D is equipped with an array of features that make it ideal for a variety of applications. It can operate as an 8-bit shift register in either direction and as a parallel-to-serial or serial-to-parallel converter. The register has multiple modes of operation, including hold (store), shift left, shift right, and load (parallel entry), which can be selected through the mode control inputs.

The 3-state outputs allow for direct connection to a bus-oriented system, providing high impedance when not in use. This reduces power consumption and prevents bus contention. The device's wide operating voltage range ensures compatibility with a broad range of logic families, making it a versatile choice for system designers.

Applications

The 74HC299D is an essential component for digital systems that require data storage or transfer, such as:

• Microprocessor/microcontroller systems
• Data acquisition systems
• Communication systems
• Instrumentation and control systems
• Computer peripherals

With its robust design and flexible operation modes, the 74HC299D from NXP is a reliable choice for engineers and designers looking to implement efficient data handling and storage solutions in their electronic projects.