SN74LV123ATPWRG4Q1

Series:	Automotive, AEC-Q100, 74LV
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Monostable
Independent Circuits:	2
Schmitt Trigger Input:	Yes
Propagation Delay:	10.5ns
Current - Output High, Low:	12mA, 12mA
Voltage - Supply:	2V ~ 5.5V
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	74LV123

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Introduction

The SN74LV123ATPWRG4Q1 is a monolithic integrated Bi-CMOS device designed for operating as retriggerable monostable multivibrator with reset. SN74LV123ATPWRG4Q1 is designed to be used as a logic circuit in a wide variety of applications that require both fast logic and monostable timing.

Application Field

This component can be used in a wide variety of applications that require high speed and versatile timing. It is mostly used for fast edge detection and filtering applications, delay generation, pulse width modulation, pulse shaping, switching and power sequencing operations, oscillator generation and frequency division, and digital waveform control.The SN74LV123ATPWRG4Q1 is ideal for use in automotive, industrial, and communication applications that require flexibility in circuit parameters such as delay and pulse width. The device is also suitable for single-supply operation of as low as 3V and it can operate intermittently with supply values as low as 1V.

Working Principle

The SN74LV123ATPWRG4Q1 consists of two serially-connected inverters that, when powered, form an oscillating loop. The input and output of this loop can be connected to the external circuitry to set or reset the device. The two sections, A and B, are connected in an astable configuration, which drives the output, OUT, to alternate between high and low states every cycle of the oscillator.The two sections are connected in series, such that when one section is low, the other section is high, and vice-versa. The state of the output is then determined by the state of the two sections. When both sections are in the same state, the output is high. When the sections are in opposite states, the output is low.The state of the sections and thus the output, can be manipulated using external circuitry. The input and output of each section is connected to the external circuitry.The sections can be set and reset to high or low by applying signals to the input terminals.The device can also be used in monostable mode by using external circuitry to reset the device at regular intervals. This allows the output to remain in the high state for a predetermined period of time before resetting. This is useful for applications like pulse shaping, delay generation, and PWM.

Conclusion

The SN74LV123ATPWRG4Q1 is a versatile component that is ideal for use in wide varieties of high-speed applications such as edge detection, frequency division, waveform control, and pulse shaping. The device can operate from a single supply voltage as low as 3V and intermittently from a supply voltage as low as 1V, making it suitable for use in a wide variety of automotive, industrial, and communication applications. The two internally-connected inverters form an oscillating loop, where the state of the output can be manipulated using external circuitry to set or reset the device. The device can also be used in monostable mode to control the duration of the high state.

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