CD74HC4051M96G4 datasheet by Texas Instruments

CD74HC4051M96G4 Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the CD74HC4051M96G4?
  The maximum operating frequency of the CD74HC4051M96G4 is 10 MHz, but it can be operated at higher frequencies with proper signal integrity and layout considerations.
• How do I ensure proper signal integrity when using the CD74HC4051M96G4?
  To ensure proper signal integrity, use a low-impedance PCB layout, minimize trace lengths, and use proper termination and decoupling techniques. Additionally, consider using a series resistor and a bypass capacitor at the input of the multiplexer.
• What is the maximum voltage rating for the analog signals on the CD74HC4051M96G4?
  The maximum voltage rating for the analog signals on the CD74HC4051M96G4 is VCC + 0.5V, but it's recommended to keep the analog signal voltage within the VCC and GND rails to ensure proper operation.
• Can I use the CD74HC4051M96G4 as a demultiplexer?
  Yes, the CD74HC4051M96G4 can be used as a demultiplexer by connecting the output of the multiplexer to the input of a buffer or a logic gate, and then connecting the output of the buffer or logic gate to the desired output pins.
• How do I handle the enable pin (EN) of the CD74HC4051M96G4?
  The enable pin (EN) is an active-low input that enables or disables the multiplexer. When EN is low, the multiplexer is enabled, and when EN is high, the multiplexer is disabled. It's recommended to tie the EN pin to GND or VCC through a pull-down or pull-up resistor to ensure proper operation.