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74LVC1G123GF Fiches technique(PDF) 5 Page - NXP Semiconductors |
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74LVC1G123GF Fiches technique(HTML) 5 Page - NXP Semiconductors |
5 / 31 page 74LVC1G123 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 4 — 27 November 2013 5 of 31 NXP Semiconductors 74LVC1G123 Single retriggerable monostable multivibrator; Schmitt trigger inputs 6.2 Pin description 7. Functional description [1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; = LOW-to-HIGH transition; = HIGH-to-LOW transition; = one HIGH level output pulse; = one LOW level output pulse. [2] If the monostable was triggered before this condition was established, the pulse continues as programmed. Table 3. Pin description Symbol Pin Description A 1 negative-edge triggered input B 2 positive-edge triggered input CLR 3 direct reset LOW and positive-edge triggered input GND 4 ground (0 V) Q 5 active HIGH output CEXT 6 external capacitor connection REXT/CEXT 7 external resistor and capacitor connection VCC 8 supply voltage Table 4. Function table[1] Input Output CLR A B Q LX X L XH XL[2] XX L L[2] HL H H LH |
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