The recommended operating voltage range for M74HCT573B1R is 4.5V to 5.5V, as specified in the datasheet. However, it's essential to note that the device can tolerate a voltage range of 3.0V to 7.0V, but the performance may vary.
To ensure signal integrity when using M74HCT573B1R in high-speed applications, it's crucial to follow proper PCB design practices, such as using controlled impedance traces, minimizing signal routing distances, and adding termination resistors as needed. Additionally, consider using a low-skew clock distribution network and ensuring that the device is properly decoupled.
While the M74HCT573B1R is specified for 5V operation, it can be used in a 3.3V system with some limitations. The device will still function, but its performance may be degraded, and the output voltage levels may not meet the required specifications. It's essential to carefully evaluate the device's behavior and performance in a 3.3V system before using it in production.
The maximum clock frequency supported by M74HCT573B1R is typically around 30-40 MHz, depending on the specific application and operating conditions. However, it's essential to consult the datasheet and perform thorough testing to ensure that the device meets the required performance specifications in your specific use case.
When using M74HCT573B1R, it's essential to ensure proper power-up and power-down sequencing to prevent damage to the device or other components in the system. The recommended power-up sequence is to apply VCC before applying any input signals, and the recommended power-down sequence is to remove input signals before removing VCC.
M74HCT573B1R datasheet
by STMicroelectronics
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