National Semiconductor

7438DC

7438DC Description

The 7438DC is a high-performance NAND gate logic IC chip manufactured by National Semiconductor. This device is designed to provide reliable and efficient digital logic operations in a wide range of electronic systems. The 7438DC features a through-hole mounting type, making it suitable for applications where robust mechanical stability is required. It operates within a temperature range of 0°C to 70°C, ensuring stable performance in various environmental conditions.

The 7438DC is powered by a supply voltage ranging from 4.75V to 5.25V, providing a stable operating environment for the IC. It has a maximum propagation delay of 22ns at 5V and a maximum capacitive load of 45pF, which ensures fast and efficient signal processing. The IC has two inputs per gate and four circuits in total, making it versatile for complex logic operations.

The input logic levels are defined as 0.8V for low and 2V for high, ensuring compatibility with a variety of digital systems. The 7438DC also features an open collector output, which allows for flexibility in circuit design and the ability to interface with different voltage levels. The quiescent current is a maximum of 54 mA, and the output current capabilities are 250µA for high and 48mA for low, providing robust performance for driving various loads.

7438DC Features

• Logic Type: NAND Gate
• Number of Inputs: 2 per gate
• Number of Circuits: 4
• Operating Temperature: 0°C to 70°C
• Mounting Type: Through Hole
• Voltage - Supply: 4.75V to 5.25V
• Max Propagation Delay @ V, Max CL: 22ns @ 5V, 45pF
• Input Logic Level - Low: 0.8V
• Input Logic Level - High: 2V
• Current - Quiescent (Max): 54 mA
• Current - Output High, Low: 250µA, 48mA
• Features: Open Collector
• Package: Bulk
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• ECCN: EAR99
• HTSUS: 8542.39.0001

7438DC Applications

The 7438DC is ideal for applications requiring high-speed digital logic operations and robust mechanical stability. Its open collector feature makes it suitable for interfacing with different voltage levels, enhancing its versatility. The low propagation delay ensures fast signal processing, making it ideal for applications such as:

• Digital Signal Processing: The 7438DC's fast propagation delay and low input logic levels make it suitable for processing high-speed digital signals in various electronic systems.
• Control Systems: The robust mechanical stability provided by the through-hole mounting type ensures reliable performance in control systems that require physical durability.
• Communication Systems: The open collector output allows for flexible interfacing with different communication protocols, making it suitable for various communication applications.
• Automotive Electronics: The wide operating temperature range and robust mechanical stability make the 7438DC suitable for automotive applications where reliability and durability are critical.

Conclusion of 7438DC

The 7438DC is a versatile and reliable NAND gate logic IC chip that offers high-speed performance and robust mechanical stability. Its open collector feature and low propagation delay make it suitable for a wide range of applications, from digital signal processing to automotive electronics. The 7438DC's compatibility with various digital systems and its ability to interface with different voltage levels further enhance its versatility. For applications requiring reliable and efficient digital logic operations, the 7438DC is an excellent choice.