SN74LS03NSR datasheet by Texas Instruments

SN74LS03NSR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74LS03NSR?
  The maximum operating frequency of the SN74LS03NSR is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions.
• How do I handle the output current of the SN74LS03NSR?
  The SN74LS03NSR has a maximum output current of 16 mA per output pin. To handle higher current requirements, you can use an external buffer or driver, or consider using a different device with higher output current capability.
• What is the recommended power-on sequence for the SN74LS03NSR?
  The recommended power-on sequence for the SN74LS03NSR is to apply power to the VCC pin before applying any input signals. This helps to ensure proper device operation and prevent latch-up or other issues.
• Can I use the SN74LS03NSR in a 3.3V system?
  The SN74LS03NSR is a 5V device, but it can be used in a 3.3V system with some limitations. The device will still function, but the output voltage levels may not be compatible with 3.3V logic. You may need to use level translators or voltage dividers to interface with 3.3V devices.
• How do I handle the input voltage range of the SN74LS03NSR?
  The SN74LS03NSR has a recommended input voltage range of 0 to 5.5V. Applying input voltages outside of this range can cause device damage or malfunction. Make sure to use input voltage limiting resistors or clamping diodes to prevent overvoltage conditions.