Overview
The CD74HC123PWT is a dual retriggerable monostable multivibrator produced by Texas Instruments. This integrated circuit (IC) is designed for precision timing applications, offering reliable performance in a compact package. It is part of the HC (High-Speed CMOS) family, known for its low power consumption and high noise immunity. The CD74HC123PWT is ideal for applications requiring precise pulse generation, such as digital systems, communication devices, and industrial automation. Its market positioning targets engineers and designers seeking robust timing solutions with minimal power usage.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 6 | V | Operating range |
| Propagation Delay | 15 | ns | Typical at 5V |
| Output Current | ±5.2 | mA | Maximum |
| Operating Temperature | -55 to 125 | °C | Industrial range |
| Package | TSSOP-16 | - | Surface mount |
| Logic Family | HC | - | High-Speed CMOS |
| Trigger Inputs | 2 per multivibrator | - | Retriggerable |
| Reset Input | Yes | - | Active low |
Key Features
- Dual retriggerable monostable multivibrators for precise timing control.
- Wide supply voltage range (2V to 6V) ensures compatibility with various systems.
- High noise immunity for reliable operation in noisy environments.
- Low power consumption makes it suitable for battery-powered devices.
- Compact TSSOP-16 package saves board space in dense designs.
Applications
The CD74HC123PWT is widely used in applications requiring precise timing and pulse generation. Typical applications include:
- Digital systems: For timing and synchronization tasks.
- Communication devices: To generate precise pulse signals.
- Industrial automation: For control and monitoring systems.
- Consumer electronics: In devices requiring low-power timing solutions.
- Automotive electronics: For reliable operation in harsh environments.
Q & A
1. What is the purpose of the CD74HC123PWT?
The CD74HC123PWT is a dual retriggerable monostable multivibrator used for precise timing and pulse generation in digital systems.
2. What is the operating voltage range?
The operating voltage range is 2V to 6V.
3. What is the typical propagation delay?
The typical propagation delay is 15ns at 5V.
4. Is the CD74HC123PWT suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered devices.
5. What package does the CD74HC123PWT come in?
It comes in a TSSOP-16 surface-mount package.
6. Can the CD74HC123PWT operate in noisy environments?
Yes, it has high noise immunity for reliable operation in noisy environments.
7. What is the maximum output current?
The maximum output current is ±5.2mA.
8. Does the CD74HC123PWT have a reset input?
Yes, it has an active-low reset input.
9. What is the operating temperature range?
The operating temperature range is -55°C to 125°C.
10. What are the typical applications of the CD74HC123PWT?
Typical applications include digital systems, communication devices, industrial automation, consumer electronics, and automotive electronics.
