The maximum operating frequency of the CD74HC4051M96E4 is 10 MHz, but it can be operated at higher frequencies with proper signal integrity and layout considerations.
To ensure proper signal integrity, use a low-impedance signal source, keep signal traces short and away from noise sources, and use a 0.1 μF bypass capacitor between VCC and GND near the device.
The recommended power-up sequence is to apply VCC before applying any digital input signals, and to ensure that all digital input signals are at a valid logic level before applying VCC.
Yes, the CD74HC4051M96E4 can be used as a level shifter, but it's not recommended as it's not designed for level shifting and may not provide the required voltage translation or signal integrity.
The enable pin (EN) should be tied to a valid logic level (VCC or GND) to ensure proper operation. Leaving EN unconnected or floating can cause unpredictable behavior.
CD74HC4051M96E4 datasheet
by Texas Instruments
