Product Overview: SN74LS38DB
The SN74LS38DB is a high-performance, quadruple 2-input positive-NAND buffer/driver designed by Texas Instruments, a leader in semiconductor solutions. This integrated circuit is part of the 7400 series of logic chips, specifically in the Low-Power Schottky (LS) family, which is renowned for its balance between speed and power consumption.
The device features four independent NAND gates with open-collector outputs. These outputs are designed to drive high-capacitive or low-impedance loads, making the SN74LS38DB ideal for interfacing with peripheral devices or as a buffer for driving long cables. It is especially useful in applications where high sink-current capability is required.
Key Specifications:
- Logic Type: NAND Buffer/Driver
- Number of Circuits: 4
- Input Count: 2 per circuit
- Output Type: Open Collector
- High-Level Output Current: -0.8 mA
- Low-Level Output Current: 8 mA
- Supply Voltage Range: 4.75V to 5.25V
- Operating Temperature: 0°C to 70°C
- Package / Case: SSOP-14
The SN74LS38DB operates within a supply voltage range of 4.75V to 5.25V, which is typical for LS logic devices, and functions optimally at a standard 5V. It is designed to work in a wide range of operating temperatures, from 0°C to 70°C, accommodating various industrial and commercial environments.
Packaged in a compact 14-pin SSOP (Shrink Small-Outline Package), the SN74LS38DB is suitable for space-constrained applications while providing robust functionality. The device's pinout is arranged for convenient PCB layout, with inputs and outputs placed to facilitate easy routing.
Texas Instruments ensures that its products meet high standards of quality and reliability, and the SN74LS38DB is no exception. It is ideal for designers looking for a reliable buffer/driver solution that combines the benefits of low power consumption with high voltage drive capability.