The maximum operating frequency of the SN74LVC74AQDREP is 100 MHz, but it can vary depending on the specific application and operating conditions.
To ensure signal integrity, use proper PCB layout techniques, such as using short signal traces, minimizing impedance mismatch, and adding termination resistors as needed. Additionally, consider using a signal integrity analysis tool to simulate and optimize your design.
Yes, the SN74LVC74AQDREP can be used in a 3.3V system. The recommended power supply voltage range is 2.7V to 3.6V, with a typical operating voltage of 3.3V. Ensure that the power supply is stable and noise-free to prevent errors and ensure reliable operation.
When using the SN74LVC74AQDREP in a system with multiple power domains, ensure that the power supply to the device is sequenced correctly to prevent damage or malfunction. Typically, the power supply to the device should be turned on after the power supply to the input signals, and turned off before the power supply to the input signals.
To minimize EMI and noise, use a compact layout with short signal traces, and route the clock and data signals away from each other and from the power supply lines. Use a ground plane to reduce radiation and add decoupling capacitors to filter out noise. Additionally, consider using a shielded enclosure or a metal can package to reduce EMI radiation.
SN74LVC74AQDREP datasheet
by Texas Instruments
