Features. • High Voltage Types (20V Rating). • CDBMS Single 16 Channel Multiplexer/Demultiplexer. • CDBMS Differential 8 Channel. Product data sheet. Table 1. Ordering information . CI input capacitance digital inputs. 15 V. -. -. -. -. -. pF. Table 6. Static characteristics . Rev. 6 — 22 May Product data sheet .. CI input capacitance. -. -. pF. Tamb = °C to +85 °C. VIH. HIGH-level input voltage. VCC = V.

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Hi Yourij, It is a good observation.

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CD74HC4067: channel off leakage

I don’t see why and how the capacitances discharge so quickly. In reply to Yourij Bosco Sep 18, 4: I would propose two datwsheet that might help to isolate the problem.

The address bus “SET5” switches quickly from 0 to 15 cyclically. Please let me know the experiment results and we can go from there.

Pack of 2 74HC4067 16-Channel Analog Multiplexer/Demultiplexer ICs

CD is more industrial or data acquisition applications where leakage current is a key factor while price or power consumption is not quite sensitive. If you have further questions related to this thread, you may click “Ask a related question” below. Menu Search through millions of questions and answers User.


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You can easily tell by the VDD range, power consumption, bandwidth and 1ku price. So the trigger DD10 can show a logical “1” or logical “0”. Any capacitance connected to I This thread has been locked.

microtivity: Pack of 2 74HC Channel Analog Multiplexer/Demultiplexer ICs

Sep 19, 9: Do you have another question? But meanwhile I researched the problem from another side and I found from the datasheet that the leakage current could be as much as 8 uA. In reply to Fan. Ask a new question Ask a new question Cancel.

I can do it some time later. This fact explains the behavior of the circuit. Could somebody explain that fact described above? We are glad that we were able to resolve this issue, and will now proceed to close this thread.


The circuit fragment shown above comprises a multiplexer and a Schmitt trigger.

All content and materials on this site are provided “as is”. Sep 21, 4: The duration of connection condition between DD No license, either express or implied, by estoppel or otherwise, is granted by TI. CD74HC is mostly used in more digial signal driven use cases where speed, power consumption and price are some key considerations. Trademarks Privacy Policy Terms of Use. Due to the holidays, cdd4067 may be delayed. Use of the information on this site may require a license from a third party, or a license from TI.

Content on this site may contain or be subject to specific guidelines or limitations on use. In reply to Yourij Bosco1: I15 is about 1 ms.