Overview
The 74HC123D,653 is a dual retriggerable monostable multivibrator with reset, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74HC/74HCT family and is designed to generate a single pulse of a fixed duration in response to a trigger signal. The device is highly versatile and can be used in a variety of applications requiring precise timing and pulse generation.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC123D |
| Orderable Part Number | 74HC123D,653 |
| Package | 16-SOIC (SOT109-1) |
| Number of Pins | 16 |
| Logic Function | Dual Retriggerable Monostable Multivibrator with Reset |
| Propagation Delay | 24 ns (typical) |
| Supply Voltage | 2 V to 6 V |
| Quiescent Current | 8 μA (typical at 5 V) |
| Operating Temperature | -40°C to 125°C |
| RoHS Compliance | Yes |
Key Features
- Dual retriggerable monostable multivibrator with reset, allowing for the generation of precise pulses.
- Programmable output pulse width using external components (resistors and capacitors).
- Low power consumption with a typical quiescent current of 8 μA at 5 V.
- Wide operating voltage range from 2 V to 6 V.
- High noise immunity and low power dissipation.
- Available in a 16-SOIC package, suitable for surface mount applications.
Applications
The 74HC123D,653 is suitable for a wide range of applications, including:
- Timing and pulse generation in digital circuits.
- Automotive systems requiring robust and reliable timing functions.
- Industrial control systems where precise timing is critical.
- Consumer electronics, such as audio and video equipment, requiring stable timing signals.
- Medical devices and other applications where low power consumption and high reliability are essential.
Q & A
- What is the primary function of the 74HC123D,653?
The primary function is to act as a dual retriggerable monostable multivibrator with reset, generating precise pulses based on trigger signals. - How is the output pulse width programmed?
The output pulse width is programmed by selecting appropriate external components, typically resistors and capacitors. - What is the operating voltage range of the 74HC123D,653?
The operating voltage range is from 2 V to 6 V. - What is the typical quiescent current of the 74HC123D,653 at 5 V?
The typical quiescent current is 8 μA at 5 V. - Is the 74HC123D,653 RoHS compliant?
Yes, the 74HC123D,653 is RoHS compliant. - What package type is the 74HC123D,653 available in?
The 74HC123D,653 is available in a 16-SOIC (SOT109-1) package. - What are some common applications of the 74HC123D,653?
Common applications include timing and pulse generation in digital circuits, automotive systems, industrial control systems, consumer electronics, and medical devices. - What is the propagation delay of the 74HC123D,653?
The typical propagation delay is 24 ns. - Can the 74HC123D,653 be used in high-temperature environments?
Yes, it can operate in temperatures ranging from -40°C to 125°C. - How can I obtain samples of the 74HC123D,653?
Samples can be obtained through Nexperia's sales organization or their network of global and regional distributors.
