Overview
The SN74LS123DRE4 is a dual retriggerable monostable multivibrator produced by Texas Instruments. This component is part of the 74LS logic family and is designed for use in various timing and pulse generation applications. It is housed in a SOIC-16 package, making it suitable for surface-mount technology (SMT). The device is widely used in digital systems where precise timing control is required.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Family | 74LS | ||
| Logic Type | Monostable Multivibrator | ||
| Number of Elements per Chip | 2 | ||
| Input Bias Current (Max) | 12 | mA | |
| Propagation Delay Time | 56 | ns | |
| High-Level Output Current | -0.4 | mA | |
| Low-Level Output Current | 8 | mA | |
| Supply Voltage (Max) | 5.25 | V | |
| Supply Voltage (Min) | 4.75 | V | |
| Operating Temperature Range | 0 to +70 | °C | |
| Package | SOIC-16 |
Key Features
- Dual retriggerable monostable multivibrator for precise timing control.
- Operates within a wide supply voltage range of 4.75V to 5.25V.
- Low propagation delay of 56ns ensures quick response times.
- Available in a compact SOIC-16 package, suitable for SMT applications.
- Compatible with TTL logic levels, making it versatile for various digital systems.
Applications
The SN74LS123DRE4 is commonly used in applications requiring precise timing and pulse generation. Typical applications include digital timing circuits, pulse width modulation (PWM) systems, and sequential logic circuits. It is also utilized in industrial automation, consumer electronics, and automotive electronics where reliable timing control is essential.
Q & A
1. What is the function of the SN74LS123DRE4?
The SN74LS123DRE4 is a dual retriggerable monostable multivibrator used for precise timing and pulse generation in digital systems.
2. What is the supply voltage range for this component?
The supply voltage range is from 4.75V to 5.25V.
3. What is the propagation delay of the SN74LS123DRE4?
The propagation delay is 56ns.
4. What package does the SN74LS123DRE4 come in?
It comes in a SOIC-16 package.
5. Is the SN74LS123DRE4 compatible with TTL logic levels?
Yes, it is compatible with TTL logic levels.
6. What is the operating temperature range for this device?
The operating temperature range is from 0°C to +70°C.
7. How many elements are there per chip?
There are 2 elements per chip.
8. What is the maximum input bias current?
The maximum input bias current is 12mA.
9. What are typical applications of the SN74LS123DRE4?
Typical applications include digital timing circuits, PWM systems, and sequential logic circuits.
10. Is the SN74LS123DRE4 suitable for surface-mount technology?
Yes, it is suitable for SMT applications due to its SOIC-16 package.
