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Home > Semiconductors > ICs > HCF4538BM STMicroelectronics Monostable Multivibrator Dual 16-Pin

HCF4538BM STMicroelectronics Monostable Multivibrator Dual 16-Pin

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Sgs - Sgs 4538Bm Hcf4538Bm1 IC Monostable Multivibrator Dual 16-Pin SOP

HCF4538BM STMicroelectronics Monostable Multivibrator Dual 16-Pin

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Sgs HCF4538BM STMicroelectronics Monostable Multivibrator Dual 16-Pin SOP

The HCC4538B (extended temperature range) and HCF4538B (intermediate temperature range) are monolithic integrated circuit, available in 16-lead dual in-line plastic or-ceramic package and plastic micro package. The HCC/HCF4538B dual precision monostable multivibrator provides stable retrigger- able/resettable one-shot operation for any fixed- voltage timing application. An external resistor (RX) and an external capacitor (CX) control the timing and accuracy for the circuit. Adjustment of RX and CX provides a wide range of output pulse widths from the Q and Q terminals. The time delay from trigger input to output transition (trigger propagation delay) and the time delay from reset input to output transi- tion (reset propagation delay) are independent of RX and CX. Precision control of output pulse widths is achieved through linear CMOS techniques. Lead- ing-edge-triggering (+ TR) and trailing-edge-trigger- ing (– TR) inputs are provided for triggering from either edge of an input pulse. An unused + TR input should be tied to VSS. An unused – TR input should be tied to VDD. A RESET (on low level) is provided for immediate termination of the output pulse or to

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HCF4538BM
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