Part Number: CD74HC221
Hi Experts,
Seeking your assistance on this query from customer named Sam:
In the datasheet for the CD74HC221, it says that "The calculation for the pulse width is tW = 0.7 RXCX at VCC = 4.5V ." However, when we measured the pulse…
Dear Owen,
Thank you for your response regarding the SN74LV221A issues and alternative options.
My application requires:
Reliable 5ms pulse stretching from very short input pulses (100ns to 10ms)
Non-retriggerable operation to ensure consistent output…
Part Number: CD74HC221 Other Parts Discussed in Thread: SN74LV221A
Hello,
I would like you to confirm that CD74HC221 will receive damage or there is no problem for reliablity in following case.
-- * User input following signal to 9 pin("2An").…
Part Number: CD74HC221 Other Parts Discussed in Thread: TINA-TI , CD4035B Tool/software: TINA-TI or Spice Models Hi, Team,
I am requesting information on TINA SPICE models for the following parts (or suggestions for possible equivalents):
74HC221 - (The…
Part Number: CD74HC221 Hi, currently I am designing a circuit including part:74HC221. However I can not find pspice model for that part.
And idea on how I can find that pspice model ? Or any similar spice models which can function as same as 74hc221? …
Part Number: CD74HC221 Other Parts Discussed in Thread: SN74LS221 We are using CD74HC221 monostable multivibrator for our one of the project. We are using external capacitor (10uF) and resistors (100K) for 800mS pulse width calculated as per formula provided…
Hi John and welcome to the forums!
I can't give details regarding internal projects, however I can say that we are definitely looking into the issue.
The LV221 is the only device that's shown this problem. I would recommend to instead use the HC…
Part Number: SN74123 Other Parts Discussed in Thread: SN74LVC1G123 , CD74HC221 , TS5A3160 This is in reference to the output obtained from the SN74123 ( https://www.ti.com/lit/ds/symlink/sn74123.pdf ), I want to change the output voltage from the usual +5V…
Hi Bing,
Not all datasheets have the "Submit Documentation Feedback" link on them (see the CD74HC221 as an example). The generic link is www.go-dsp.com/.../doc_feedback.htm but you will need to provide all the details especially the "Literature…
