Product Overview: 74HCT244N by NXP Semiconductors

The 74HCT244N is a high-speed Si-gate CMOS device from NXP Semiconductors and is part of the 74HCT family. This integrated circuit is designed to provide octal buffer/line driver functionality with 3-state outputs, making it an ideal component for driving bus lines or buffer memory address registers. Its robust design ensures that it can handle significant loads while maintaining signal integrity, making it a reliable choice for a wide range of digital applications.

Key Features

• Logic Type: Octal Buffer/Line Driver with 3-state outputs
• Number of Pins: 20-pin DIP (Dual In-line Package)
• Supply Voltage Range: 4.5V to 5.5V, making it compatible with TTL levels
• High Noise Immunity: NXP's advanced technology provides a typical V<sub>OLP (output ground bounce) CC = 5V, T<sub>amb = 25°C
• Power Consumption: Low power consumption with a typical I<sub>CC of 8 µA (max)
• Output Capability: Capable of driving 15 LSTTL loads
• Speed: Fast propagation delay time, typically T<sub>pd of 8 ns with a CL= 50 pF load

Applications

The versatility of the 74HCT244N makes it suitable for a variety of applications, including:

• Buffering and driving bus lines in computing and digital systems
• Memory address driving for high-capacity memory modules
• Interfacing with peripheral devices
• Signal distribution and transmission over long cable lengths

Quality and Reliability

NXP Semiconductors is known for their commitment to quality and reliability, and the 74HCT244N is no exception. The device is rigorously tested to ensure optimal performance and durability under various conditions. Additionally, its compliance with JEDEC standard no. 7A ensures that it meets the industry standards for HCT devices.

Environmental and Regulatory Compliance

The 74HCT244N from NXP is designed to meet or exceed environmental regulations. It is available in a lead-free package, which makes it suitable for use in environmentally sensitive applications and helps manufacturers comply with current RoHS directives.