The Texas Instruments 74LS123 is a high-performance, dual retriggerable monostable multivibrator with integrated logic-level conversion. This device is part of the 7400 series logic family and is designed to operate from a standard 5V power supply, making it suitable for a wide range of digital applications.
Key Features
- Direct Clear Input: A feature that allows immediate resetting of the output pulse duration irrespective of the input pulse.
- Edge-Triggered from Active-High or Active-Low Gated Logic Inputs: Provides versatility in interfacing with different logic levels.
- Retriggerable for Very Long Output Pulses: Allows for the extension of the output pulse duration with additional input triggers.
- Outputs Can Drive Up To 10 LSTTL Loads: High fan-out capability to drive multiple inputs in a circuit.
- Typical Pulse Width Range of 35ns to 70s: A broad range of pulse durations for diverse application requirements.
Applications
The 74LS123 is ideal for applications that require precise timing pulses and waveform generation. Typical applications include:
- Timing circuits
- Pulse shaping
- Sequential timing
- Astables
Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Input Voltage (VI) |
4.75V to 5.25V |
| Operating Temperature |
0°C to 70°C |
| Package Type |
DIP, SOIC |
The 74LS123 from Texas Instruments is a reliable and versatile component that can be used in a multitude of digital applications requiring precise control over pulse generation and timing sequences. With its high fan-out and wide operating temperature range, it is suitable for both commercial-grade and industrial applications.