Overview
The 74HC123BQ-Q100,115 is a dual retriggerable monostable multivibrator with reset, manufactured by Nexperia USA Inc. This component is part of the 74HC series and is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), making it suitable for automotive applications. It operates within a wide temperature range of -40°C to 125°C and is designed for high-speed CMOS logic operations.
This device is particularly useful in applications requiring precise control over output pulse widths, which can be adjusted using external resistors and capacitors. The multivibrator features Schmitt trigger inputs for improved noise immunity and can be triggered by both active HIGH and LOW inputs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | 74HC123BQ-Q100 | |
| VCC | 2.0 - 6.0 | V |
| Logic Switching Levels | CMOS | |
| Output Drive Capability | ± 5.2 | mA |
| Propagation Delay (tpd) | 65 | ns |
| Operating Temperature (Tamb) | -40°C to 125°C | |
| Package | 16-VFQFN Exposed Pad (DHVQFN16) | |
| Mounting Type | Surface Mount | |
| Independent Circuits | 2 | |
| Schmitt Trigger Input | No (except for reset input) |
Key Features
- Automotive Product Qualification: Qualified to AEC-Q100 (Grade 1) standard, suitable for automotive applications.
- Retriggerable Monostable Multivibrator: Allows for very long pulses up to 100% duty factor.
- Output Pulse Width Control: Adjustable by external resistor and capacitor, and extendable by retriggering.
- Direct Reset: Output pulse can be terminated at any time by a LOW-going edge on the reset input.
- Schmitt Trigger Inputs: Provides high tolerance to slower input rise and fall times.
- ESD Protection: Compliant with MIL-STD-883, method 3015, HBM JESD22-A114F, and MM JESD22-A115-A.
Applications
- Automotive Systems: Suitable for various automotive applications due to its AEC-Q100 qualification.
- Timing and Pulse Generation: Ideal for generating precise timing signals and pulses in electronic circuits.
- Industrial Control Systems: Used in industrial control systems requiring reliable and adjustable timing signals.
- Consumer Electronics: Can be used in consumer electronics for timing and pulse generation needs.
Q & A
- What is the operating temperature range of the 74HC123BQ-Q100,115?
The operating temperature range is -40°C to 125°C.
- What type of logic switching levels does the 74HC123BQ-Q100,115 use?
The device uses CMOS logic switching levels.
- How can the output pulse width be controlled in the 74HC123BQ-Q100,115?
The output pulse width can be controlled by selecting external resistors and capacitors, and by retriggering the inputs.
- Does the 74HC123BQ-Q100,115 have ESD protection?
Yes, it complies with MIL-STD-883, method 3015, HBM JESD22-A114F, and MM JESD22-A115-A.
- What is the package type of the 74HC123BQ-Q100,115?
The package type is 16-VFQFN Exposed Pad (DHVQFN16).
- Can the 74HC123BQ-Q100,115 be triggered by both HIGH and LOW inputs?
Yes, it can be triggered by both active HIGH and LOW inputs.
- How many independent circuits does the 74HC123BQ-Q100,115 contain?
The device contains 2 independent circuits.
- What is the propagation delay of the 74HC123BQ-Q100,115?
The propagation delay is approximately 65 ns.
- Is the 74HC123BQ-Q100,115 suitable for automotive applications?
Yes, it is qualified to the AEC-Q100 (Grade 1) standard, making it suitable for automotive applications.
- Can the output pulse be terminated at any time?
Yes, the output pulse can be terminated at any time by a LOW-going edge on the reset input.
