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CD4555B: Frequency and Fanout Specifications

Tom Biedke
Prodigy 30 points
Part Number: CD4555B
Other Parts Discussed in Thread: CD4013B

Tool/software:

Hello, do you know the frequency and fanout specifications for TI part CD4555BE?

Thank you very much in advance for your information.

  • 0
    Guru 317370 points

    The maximum frequency can be estimated from the specification of the CD4013B.

    The fanout can be computed by dividing the output current by the input leakage current. For CMOS devices, it is not specified because it's > 500; connecting that many devices is not practical and would increase the capacitive load too much.