SN74LS02DE4 datasheet by Texas Instruments

SN74LS02DE4 Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74LS02DE4?
  The maximum operating frequency of the SN74LS02DE4 is typically around 25 MHz, but it can vary depending on the specific application and operating conditions.
• How do I handle the input voltage range for the SN74LS02DE4?
  The SN74LS02DE4 has a recommended input voltage range of 4.75V to 5.25V. It's essential to ensure that the input voltage stays within this range to maintain proper device operation and prevent damage.
• What is the power consumption of the SN74LS02DE4?
  The power consumption of the SN74LS02DE4 depends on the operating frequency and load conditions. Typically, it consumes around 20-30 mA of current at a frequency of 1 MHz and a supply voltage of 5V.
• Can I use the SN74LS02DE4 in a 3.3V system?
  The SN74LS02DE4 is designed to operate at 5V, but it can be used in a 3.3V system with some limitations. However, the device's performance and functionality may be degraded, and it's essential to consult the datasheet and application notes for specific guidance.
• How do I ensure proper noise immunity and signal integrity when using the SN74LS02DE4?
  To ensure proper noise immunity and signal integrity, it's essential to follow proper PCB design practices, such as using a solid ground plane, minimizing trace lengths, and using decoupling capacitors. Additionally, consider using series resistors and/or ferrite beads to reduce noise and ringing.