The maximum frequency of operation for the 74AHC125D,118 is typically around 100 MHz, but this can vary depending on the specific application, supply voltage, and output load.
To ensure proper operation, the 74AHC125D,118 should be powered from a stable, low-noise power supply with a voltage between 2.0 V and 5.5 V. Decoupling capacitors should be used to filter out noise and reduce power supply ripple.
The input voltage threshold for the 74AHC125D,118 is typically around 0.5 x VCC, where VCC is the supply voltage. This means that the input signal should be at least 0.5 x VCC to be recognized as a logic high, and below 0.5 x VCC to be recognized as a logic low.
Yes, the 74AHC125D,118 can be used as a level shifter, but it's not the most ideal solution. The device is designed as a buffer, not a level shifter, and its output voltage swing may not be sufficient to drive loads at a different voltage level. A dedicated level shifter IC would be a better choice for this application.
The 74AHC125D,118 has built-in ESD protection, but it's still important to follow proper ESD handling procedures when handling the device. This includes using an ESD wrist strap, ESD mat, or other ESD protection devices to prevent damage to the device.
74AHC125D,118 datasheet
by NXP Semiconductors
