Product Overview: 74HCT7403D by NXP

The 74HCT7403D is a high-performance integrated circuit manufactured by NXP Semiconductors, a leader in the technology sector known for its innovative and reliable products. This particular chip is a part of the 74HCT family, which is compatible with TTL levels and designed to operate at high speeds with low power consumption.

The 74HCT7403D features four independent 2-input NAND gate circuits with open-drain outputs. This configuration makes it especially useful in applications that require wired-AND functions, including interfacing with multiple outputs and driving heavy loads such as LEDs or other high-current devices. The open-drain outputs of this IC can be connected to a higher voltage than VCC, providing great flexibility in mixed-voltage systems.

Key Specifications:

• Logic Type: 2-input NAND gate
• Number of Gates: 4
• Output Type: Open drain
• Supply Voltage (VCC): 4.5V to 5.5V
• High-Level Output Current: -4.5 mA
• Low-Level Output Current: 64 mA
• Operating Temperature: -40°C to +125°C
• Package: SOIC-14 (Small Outline Integrated Circuit)
• Mounting Type: Surface Mount

The 74HCT7403D is designed to interface directly with TTL systems, ensuring compatibility with older technology while maintaining the high-speed operation of CMOS technology. Its robust design allows it to operate efficiently under a wide range of environmental conditions, making it a suitable choice for industrial and commercial applications.

For designers and engineers, the 74HCT7403D offers a reliable solution for complex logic functions and power driving capabilities. Its surface mount design, encapsulated in a SOIC-14 package, ensures a compact footprint on printed circuit boards, enabling more dense and space-efficient designs without compromising performance.

Whether you're developing consumer electronics, automotive systems, or sophisticated industrial machinery, the 74HCT7403D from NXP Semiconductors provides the functionality and reliability needed to deliver high-quality, durable products to the market.