Overview
The SN74LS123N is a dual retriggerable monostable multivibrator produced by Texas Instruments. It belongs to the 74LS series of logic devices and is designed for applications requiring precise timing control. This component is widely used in digital circuits for generating pulses of a specific duration. Its key features include retriggerability, clear input functionality, and compatibility with TTL logic levels. The SN74LS123N is packaged in a PDIP-16 format, making it suitable for through-hole PCB assembly. It is an active component with RoHS compliance, ensuring environmental safety.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Installation Type | Through Hole | - | - |
| Package | PDIP-16 | - | - |
| Operating Temperature | 0 to 70 | °C | - |
| Storage Temperature | -65 to 150 | °C | - |
| Supply Voltage | 4.75 to 5.25 | V | - |
| Propagation Delay | 28 | ns | - |
| Logic Type | Monostable Multivibrator | - | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | - | - |
| Lead-Free | Yes | - | RoHS Compliant |
| Dimensions | 19.00 x 6.00 x 5.08 | mm | Length x Width x Height |
Key Features
- Dual retriggerable monostable multivibrator functionality.
- Clear input for immediate termination of the output pulse.
- Compatible with TTL logic levels for seamless integration.
- Wide operating temperature range of 0°C to 70°C.
- RoHS compliance ensures environmental safety.
Applications
The SN74LS123N is widely used in digital systems for timing and pulse generation. Its applications include:
- Industrial Automation: Used in timing circuits for machinery control.
- Consumer Electronics: Integrated into devices requiring precise timing, such as remote controls.
- Automotive Electronics: Employed in vehicle control systems for signal processing.
- Communication Systems: Utilized in pulse shaping and timing circuits.
Q & A
1. What is the function of the SN74LS123N?
The SN74LS123N is a dual retriggerable monostable multivibrator used for generating precise timing pulses in digital circuits.
2. What is the operating voltage range of the SN74LS123N?
The operating voltage range is 4.75V to 5.25V.
3. Is the SN74LS123N RoHS compliant?
Yes, the SN74LS123N is RoHS compliant, ensuring it meets environmental safety standards.
4. What is the propagation delay of the SN74LS123N?
The propagation delay is 28 nanoseconds.
5. What is the package type of the SN74LS123N?
The SN74LS123N is packaged in a PDIP-16 format.
6. Can the SN74LS123N be used in automotive applications?
Yes, it is suitable for automotive electronics, particularly in timing and control systems.
7. What is the maximum operating temperature of the SN74LS123N?
The maximum operating temperature is 70°C.
8. Is the SN74LS123N lead-free?
Yes, the SN74LS123N is lead-free.
9. What is the typical application of the SN74LS123N?
It is commonly used in timing circuits, pulse generation, and signal processing in various digital systems.
10. What is the moisture sensitivity level (MSL) of the SN74LS123N?
The moisture sensitivity level is 1, meaning it has an unlimited floor life at room temperature.
