Overview
The 74AHC123APW-Q100118 is a dual retriggerable monostable multivibrator with reset, designed and manufactured by Nexperia (formerly part of NXP USA Inc.). This device is part of the 74AHC/AHCT family and is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), making it suitable for use in automotive applications. It offers a wide range of features that make it versatile for various electronic circuits.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74AHC123APW-Q100 | 2.0 - 5.5 | CMOS | ± 8 | 5.1 | Low | -40 to 125 | 126 | 4.8 | 55.7 | TSSOP16 |
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
- High noise immunity
- Input levels: CMOS level for 74AHC123A-Q100 and TTL level for 74AHCT123A-Q100
- ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level A
Applications
The 74AHC123APW-Q100118 is suitable for a variety of applications, particularly in the automotive sector due to its AEC-Q100 (Grade 1) qualification. It can be used in mixed voltage environments as a translator, and its retriggerable monostable multivibrator functionality makes it useful in timing and pulse generation circuits.
Q & A
- What is the supply voltage range of the 74AHC123APW-Q100118?
The supply voltage range is from 2.0 V to 5.5 V.
- Can the 74AHC123APW-Q100118 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 this device?
The output pulses can have a duty factor of 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 nRD input.
- Are the inputs of this device overvoltage tolerant?
Yes, the inputs are overvoltage tolerant up to 5.5 V.
- What type of input action do the inputs of this device have?
All inputs have a Schmitt-trigger action.
- What is the operating temperature range for this device?
The operating temperature range is from -40°C to +125°C.
- Is the 74AHC123APW-Q100118 qualified for automotive applications?
Yes, it is qualified to the AEC-Q100 (Grade 1) standard.
- What type of ESD protection does this device have?
The device has ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- What package options are available for this device?
The device is available in TSSOP16 package among other options.
