The SN74AHCT123ADR is a high-performance, dual-retriggerable monostable multivibrator integrated circuit produced by Texas Instruments. This device is part of the AHCT family, which is known for its advanced high-speed CMOS technology. It is designed to deliver precise timing characteristics for a wide range of pulse generation and timing applications, making it an essential component in digital circuit designs.

Key Features

• Logic Type: Monostable Multivibrator
• Number of Circuits: 2
• Output Type: Differential
• Trigger Type: Positive, Negative
• Supply Voltage (V_CC): 4.5V to 5.5V
• Output Current: 8 mA
• Propagation Delay Time: 18 ns
• Operating Temperature: -40°C to 85°C
• Mounting Type: Surface Mount
• Package / Case: SOIC-16

Product Description

The SN74AHCT123ADR features two independent monostable multivibrators with retriggerable functionality. Each multivibrator has its own direct clear input, a common clock, and separate outputs for both the Q and Q-bar signals. Retriggering is possible by applying a pulse to the trigger input before the current timing interval has expired, thus extending the output pulse duration.

This device is capable of handling edge-triggered inputs from either a rising or falling edge, providing versatility in diverse applications. The SN74AHCT123ADR is designed to operate with a supply voltage ranging from 4.5V to 5.5V, making it compatible with TTL logic levels while offering the benefits of CMOS technology, such as reduced power consumption and increased noise immunity.

With its fast propagation delay and stable operation across a wide temperature range, the SN74AHCT123ADR is suitable for timing circuits, pulse shaping, and delayed pulse generation. The SOIC-16 package allows for efficient use of board space in surface-mounted technology (SMT) applications.

Overall, the SN74AHCT123ADR by Texas Instruments is a reliable and efficient solution for designers looking to implement precise timing functions in their digital systems.