74LV123 Dual Retriggerable Monostable Multivibrator With Reset

The 74LV123 is a low-voltage Si-gate CMOS device and is pin and function compatible with the 74HC123; 74HCT123. It is a dual retriggerable Monostable Multivibrator which uses three methods to control the output pulse width: The basic pulse time is programmed by the selection of an external resistor (REXT) and capacitor (CEXT). These are normally connected as shown in Figure 9. Once triggered, the basic output pulse width may be extended by retriggering the gated active LOW-going edge input (nA) or the active HIGH-going edge input (nB). By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) CAN be made as long as desired (see Figure 12). Alternatively, an output delay CAN be terminated at any time by a LOW-going edge on input nRD, which also inhibits the triggering (see Figure 13). Schmitt-trigger action in the nA and nB inputs makes the circuit highly tolerant of slower input rise and fall times.
By NXP Semiconductors
Part Manufacturer Description Datasheet Samples
SN74LV123AD Texas Instruments Dual Retriggerable Monostable Multivibrators 16-SOIC -40 to 125
SN74LV123ADRE4 Texas Instruments Dual Retriggerable Monostable Multivibrators 16-SOIC -40 to 125
SN74LV123APWRG4 Texas Instruments Dual Retriggerable Monostable Multivibrators 16-TSSOP -40 to 125
SN74LV123ADR Texas Instruments Dual Retriggerable Monostable Multivibrators 16-SOIC -40 to 125
SN74LV123APWRE4 Texas Instruments LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16, GREEN, PLASTIC, TSSOP-16
SN74LV123ATPWRQ1 Texas Instruments Automotive Catalog Dual Retriggerable Monostable Multivibrators 16-TSSOP -40 to 125
SN74LV123ADBR Texas Instruments Dual Retriggerable Monostable Multivibrators 16-SSOP -40 to 125
SN74LV123ADRG4 Texas Instruments Dual Retriggerable Monostable Multivibrators 16-SOIC -40 to 125
SN74LV123APWT Texas Instruments Dual Retriggerable Monostable Multivibrators 16-TSSOP -40 to 125
SN74LV123ADGVRG4 Texas Instruments Dual Retriggerable Monostable Multivibrators 16-TVSOP -40 to 85
74LV123 's Packages74LV123 's pdf datasheet
74LV123D SO
74LV123DB SSOP
74LV123N DIP
74LV123PW TSSOP




74LV123 Pinout, Pinouts
74LV123 pinout,Pin out
This is one package pinout of 74LV123,If you need more pinouts please download 74LV123's pdf datasheet.

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