Overview
The 74AHC123APW,118 is a dual retriggerable monostable multivibrator with reset, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74AHC series and is designed to provide versatile timing and pulse generation capabilities in a wide range of electronic systems. The device features a wide supply voltage range, retriggerable inputs, and high noise immunity, making it suitable for various applications across different industries.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC supply voltage | 2.0 | 5.0 | 5.5 | V |
| Input voltage (VI) | 0 | 5.5 | V | |
| Output voltage (VO) | 0 | VCC | V | |
| Ambient temperature (Tamb) | -40 | 125 | °C | |
| Propagation delay (tpd) | 5.1 | ns | ||
| Output drive capability | ±8 | mA | ||
| Package | 16-TSSOP (SOT403-1) | |||
| Logic switching levels | CMOS |
Key Features
- Wide supply voltage range from 2.0 V to 5.5 V
- DC triggered from active HIGH or active LOW inputs
- Retriggerable for very long pulses up to 100 % duty factor
- Direct reset terminates output pulse
- Overvoltage tolerant inputs to 5.5 V
- All inputs have a Schmitt-trigger action for high noise immunity
- Dual independent monostable multivibrator circuits
- Propagation delay of 5.1 ns
- 8 mA output drive capability for both high and low states
- Compatible with 74HC, 74HCT series
Applications
The 74AHC123APW,118 is versatile and can be used in a variety of applications across different industries, including:
- Automotive systems for timing and pulse generation
- Industrial control systems for reliable timing functions
- Consumer electronics for robust and efficient timing solutions
- Mobile and wearable devices requiring low power consumption and high noise immunity
- Computing and power management systems needing precise timing and retriggerable pulses
Q & A
- What is the supply voltage range of the 74AHC123APW,118?
The supply voltage range is from 2.0 V to 5.5 V. - What are the input logic levels for the 74AHC123APW,118?
The input logic levels are CMOS. - Can the 74AHC123APW,118 be triggered by both HIGH and LOW inputs?
Yes, it can be triggered by both active HIGH and active LOW inputs. - What is the maximum duty factor for the output pulses of the 74AHC123APW,118?
The maximum duty factor is up to 100%. - How can the output pulse be terminated?
The output pulse can be terminated at any time by a LOW-going edge on the reset input (nRD). - What is the propagation delay of the 74AHC123APW,118?
The propagation delay is typically 5.1 ns. - What is the output drive capability of the 74AHC123APW,118?
The output drive capability is ±8 mA. - Is the 74AHC123APW,118 overvoltage tolerant?
Yes, the inputs are overvoltage tolerant up to 5.5 V. - What package type is the 74AHC123APW,118 available in?
The device is available in a 16-TSSOP (SOT403-1) package. - What is the operating temperature range of the 74AHC123APW,118?
The operating temperature range is from -40°C to 125°C.
