SN74ALS38B Quadruple 2-Input NAND Buffers/Drivers with Open-Collector Outputs

The SN74ALS38B, manufactured by Texas Instruments, is a high-performance, quadruple 2-input NAND buffer/driver designed to provide open-collector outputs and high drive capability. This integrated circuit is a part of the Advanced Low-Power Schottky (ALS) family, which is well-known for its balance between speed and power consumption, making it suitable for a wide range of applications.

Key Features:

• Logic Type: 2-Input NAND Buffers/Drivers
• Output Type: Open-Collector
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature: 0°C to 70°C
• Package: Available in multiple package types including DIP, SOIC, and others
• Pin Count: Options for 14-pin or 16-pin configurations

The SN74ALS38B features four independent 2-input NAND gates with open-collector outputs, which can sink significant current and can be connected to other open-collector outputs to implement wired-AND or other logic functions. The device is capable of driving up to 15 LSTTL loads, which makes it highly versatile in complex digital systems.

Due to its open-collector design, the SN74ALS38B is particularly useful for interfacing with higher voltage or current levels than those used by standard TTL circuits. This allows for direct control of lamps, relays, solenoids, or other high-current or high-voltage devices. Additionally, the open-collector outputs can be used to perform wired-AND logic configurations, which adds to the flexibility of this IC in digital circuit designs.

The SN74ALS38B is characterized for operation from 0°C to 70°C, ensuring reliable performance across a range of environmental conditions. Its wide supply voltage range from 4.5V to 5.5V makes it compatible with most 5V logic systems, and the various packaging options provide flexibility for hardware design and layout.

Overall, the SN74ALS38B from Texas Instruments is a reliable and versatile choice for designers who require high-current open-collector outputs and the ability to interface with various logic levels and loads in their digital systems.