Overview
The 74AHC123AD-Q100J, produced by Nexperia USA Inc., is a dual retriggerable monostable multivibrator with reset. This integrated circuit is designed to provide a versatile and reliable solution for generating pulses in various electronic systems. It is part of the 74AHC/AHCT family, known for its high noise immunity and wide supply voltage range, making it suitable for a broad range of applications, including automotive, industrial, and consumer electronics.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC supply voltage | 2.0 | 5.0 | 5.5 | V |
| VI input voltage | 0 | - | 5.5 | V |
| VO output voltage | 0 | - | VCC | V |
| Tamb ambient temperature | -40 | - | 125 | °C |
| tpd propagation delay | - | 5.1 | - | ns |
| ICC supply current | - | 560 | 975 | μA |
| CI input capacitance | - | 5.0 | 10 | pF |
| CO output capacitance | - | 4.0 | - | pF |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 5.5 V, making it versatile for various applications.
- DC Triggered Inputs: Can be triggered from active HIGH or active LOW inputs.
- Retriggerable: Allows for very long pulses up to 100% duty factor by retriggering the edge-triggered inputs.
- Direct Reset: Output pulse can be terminated at any time by a LOW-going edge on the reset input (nRD).
- Overvoltage Tolerant Inputs: Inputs are tolerant up to 5.5 V, enabling use in mixed voltage environments.
- Schmitt-Trigger Action: All inputs have a Schmitt-trigger action, enhancing noise immunity.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- ESD Protection: Exceeds 2000 V HBM and 1000 V CDM, providing robust protection against electrostatic discharge.
- Automotive Qualification: Qualified to AEC-Q100 (Grade 1) standard, suitable for automotive applications.
Applications
The 74AHC123AD-Q100J is suitable for a wide range of applications, including:
- Automotive Systems: Qualified to AEC-Q100 (Grade 1), it is ideal for use in automotive electronics.
- Industrial Control Systems: Its robust design and high noise immunity make it suitable for industrial environments.
- Consumer Electronics: Can be used in various consumer electronic devices requiring reliable pulse generation.
- Power and Computing Systems: Useful in systems requiring precise timing and pulse control.
Q & A
- What is the supply voltage range of the 74AHC123AD-Q100J?
The supply voltage range is from 2.0 V to 5.5 V.
- Can the 74AHC123AD-Q100J be triggered by both HIGH and LOW inputs?
- What is the maximum duty factor for the output pulse?
The output pulse can have a duty factor up to 100% by retriggering the edge-triggered inputs.
- 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).
- Are the inputs overvoltage tolerant?
- What is the operating temperature range?
The device operates from -40 °C to +125 °C.
- Does the 74AHC123AD-Q100J have ESD protection?
- Is the 74AHC123AD-Q100J qualified for automotive applications?
- What package options are available for the 74AHC123AD-Q100J?
It is available in multiple package options, including SO16 (SOT109-1).
- What is the propagation delay of the 74AHC123AD-Q100J?
The propagation delay is approximately 5.1 ns.
