The maximum frequency of operation for the HEF4049BP,652 is 10 MHz.
Yes, the HEF4049BP,652 can be used as a level shifter, but it's not recommended as it's not designed for that purpose. It's primarily a buffer/line driver.
The input impedance of the HEF4049BP,652 is typically around 1 kΩ, but it can vary depending on the specific application and operating conditions.
The HEF4049BP,652 is rated for operation up to 125°C, but it's recommended to derate the device for reliable operation above 85°C.
To ensure signal integrity, use proper PCB layout techniques, such as minimizing trace lengths, using ground planes, and avoiding signal reflections.
HEF4049BP,652 datasheet
by NXP Semiconductors
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