CD4043BD datasheet by Texas Instruments

CD4043BD Frequently Asked Questions (FAQs)

• What is the maximum frequency of operation for the CD4043BD?
  The CD4043BD can operate up to 10 MHz, but the maximum frequency of operation depends on the specific application and the clock signal quality.
• How do I ensure proper power sequencing for the CD4043BD?
  To ensure proper power sequencing, apply power to the VDD pin before applying a clock signal to the CLK pin. Also, ensure that the VDD pin is stable before applying a clock signal.
• What is the recommended clock signal amplitude and frequency for the CD4043BD?
  The recommended clock signal amplitude is 2-5V, and the frequency can range from DC to 10 MHz. However, the optimal clock signal amplitude and frequency may vary depending on the specific application.
• How do I handle clock signal skew and jitter when using the CD4043BD?
  To minimize clock signal skew and jitter, use a high-quality clock source, and ensure that the clock signal is properly terminated and routed. You can also use clock signal conditioning circuits or clock buffers to improve clock signal quality.
• What is the maximum capacitive load that the CD4043BD can drive?
  The CD4043BD can drive up to 100 pF of capacitive load. However, the maximum capacitive load may vary depending on the specific application and the clock signal frequency.