SN74HC245DWRG4 datasheet by Texas Instruments

SN74HC245DWRG4 Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74HC245DWRG4?
  The maximum operating frequency of the SN74HC245DWRG4 is 50 MHz.
• Can I use the SN74HC245DWRG4 in a 5V system?
  Yes, the SN74HC245DWRG4 is compatible with 5V systems, but it's recommended to use a voltage regulator to ensure a stable 4.5V to 5.5V supply voltage.
• How do I handle the enable pins (EN1 and EN2) in my design?
  The enable pins (EN1 and EN2) are active-low, meaning they need to be pulled low to enable the corresponding direction of data transfer. Connect them to GND or a logic low signal to enable the device.
• What is the propagation delay of the SN74HC245DWRG4?
  The propagation delay of the SN74HC245DWRG4 is typically around 10 ns, but it can vary depending on the operating frequency and load capacitance.
• Can I use the SN74HC245DWRG4 in a 3.3V system?
  Yes, the SN74HC245DWRG4 is compatible with 3.3V systems, but the output voltage will be limited to 3.3V. Ensure that the receiving device can handle the reduced voltage swing.