3 shows the HC configured in the retriggerable mode. Briefly, the device operates as follows. (refer to Fig. 1): In the quiescent state, the external timing. information, including without limitation, this document, the specifications, the data sheets and application notes for Product and the precautions. The trigger-control circuit going HIGH simultaneously ini- tiates three events. First , the output latch goes LOW, thus taking the Q output of the HC to a HIGH.

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If available you can find information in our Nexperia Support Community hc438 you can find Nexperia models and Design tools. Except as expressly permitted in this Agreement, Licensee shall not itself and shall restrict Customers from: The 74HC is a dual retriggerable-resettable monostable multivibrator.

Series 74HC – Dual retriggerable precision monostable multivibrator. Product details Documentation Support Ordering. Please allow business days for a response. Find answers to your design questions on this page.

HC datasheet,HC datasheets, HC manual, HC circuit, HC pdf|IC芯片型号查询 – PDF啦芯片查询网

The 74HC is a dual retriggerable-resettable monostable multivibrator. Any such audit shall not interfere with the ordinary business operations of Licensee and shall be conducted at the dattasheet of ON Semiconductor.

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The output pulse width T W is equal to 0.

MC74HC4538A: Dual Precision Monostable Multivibrator

Schmitt-trigger action in the trigger inputs makes the circuit highly tolerant to slower rise and fall times.

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This Agreement may be executed in counterparts, each of which shall be deemed to be an original, and which together shall constitute one and the same agreement. The output pulse width is determined vatasheet the external timing components, R x and C x.


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The device may be triggered by either the positive or the negative edges of the input pulse. Neither this Agreement, nor any of the rights or obligations herein, may be assigned or transferred by Licensee without the express prior written consent of ON Semiconductor, and any attempt to do so in violation of the foregoing shall be null and void.

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The linear design techniques guarantee precise control of the output pulse width.

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