SN74LV123ADR

The SN74LV123ADR is a dual retriggerable monostable multivibrator from Texas Instruments, designed for use in a variety of digital applications. This device is part of the LV (Low Voltage) family, which means it operates at lower supply voltages, making it suitable for modern electronic designs that require power efficiency.

Key Features:

1. Dual Monostable Configuration: The SN74LV123ADR contains two independent monostable multivibrators, allowing it to generate a single output pulse in response to an input trigger signal. Each multivibrator can be triggered separately, providing flexibility in timing applications.

2. Retriggerable: The device can be retriggered while the output pulse is still active. This feature is particularly useful in applications where the timing needs to be extended based on additional input signals.

3. Wide Supply Voltage Range: It operates with a supply voltage range of 2V to 5.5V, making it compatible with various logic levels and suitable for battery-powered devices.

4. Fast Response Time: The SN74LV123ADR boasts a fast propagation delay, typically around 30 ns at 5V, which allows for quick response to input signals, making it ideal for high-speed applications.

5. Output Drive Capability: The device can drive standard TTL loads, providing a robust output that can interface with other digital components without the need for additional buffering.

6. Low Power Consumption: With its low voltage operation, the SN74LV123ADR is designed to consume minimal power, which is essential for portable and battery-operated devices.

7. Temperature Range: The device is specified to operate over a wide temperature range, typically from -40°C to +125°C, ensuring reliability in various environmental conditions.

8. Pin Configuration: The SN74LV123ADR is available in a 14-pin TSSOP (Thin Shrink Small Outline Package) or SOIC (Small Outline Integrated Circuit) package, which provides a compact footprint suitable for space-constrained applications.

9. Logic Compatibility: It is compatible with both TTL and CMOS logic families, allowing it to be integrated into a wide range of digital circuits.

Applications:

The SN74LV123ADR is commonly used in applications such as:

• Pulse width modulation (PWM) generation
• Timing applications in microcontroller interfacing
• Debouncing switches
• Frequency division
• Signal conditioning

Conclusion:

The SN74LV123ADR from Texas Instruments is a versatile and efficient dual retriggerable monostable multivibrator that meets the demands of modern electronic designs. Its combination of low voltage operation, fast response time, and low power consumption makes it an excellent choice for a variety of timing and pulse generation applications in both consumer and industrial electronics.