74VHC123AFT(BJ)

The 74VHC123AFT(BJ) is a high-speed CMOS dual retriggerable monostable multivibrator, designed and manufactured by Toshiba. This device is part of the 74VHC series, which is known for its high-speed performance and low power consumption, making it suitable for a variety of digital applications.

Key Features:

1. Functionality: The 74VHC123AFT(BJ) operates as a monostable multivibrator, meaning it can generate a single output pulse in response to an input trigger. It is retriggerable, allowing it to extend the output pulse duration if additional triggers are received during the pulse.

2. Input and Output: The device has two trigger inputs (A and B) and one output (Q). The output is active high, meaning it goes high when triggered. The device also features a complementary output (Q̅) that goes low when Q is high.

3. Voltage Range: The 74VHC123AFT(BJ) operates over a wide voltage range, typically from 2.0V to 5.5V, making it compatible with various logic levels.

4. Propagation Delay: The device boasts a fast propagation delay, typically around 5 ns at 5V, which allows for high-speed applications.

5. Power Consumption: As a CMOS device, it has low static power consumption, which is beneficial for battery-operated devices and energy-efficient designs.

6. Temperature Range: The operating temperature range is typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

7. Pin Configuration: The 74VHC123AFT(BJ) is available in a 14-pin TSSOP (Thin Shrink Small Outline Package) package, which is compact and suitable for space-constrained applications.

8. Applications: This multivibrator can be used in various applications, including pulse width modulation, timer circuits, frequency dividers, and as a delay generator in digital circuits.

9. Logic Family: Being part of the VHC (Very High-Speed CMOS) family, it is designed to be compatible with TTL (Transistor-Transistor Logic) levels, ensuring interoperability with other logic families.

Summary:

The 74VHC123AFT(BJ) from Toshiba is a versatile and efficient dual retriggerable monostable multivibrator that combines high-speed performance with low power consumption. Its wide operating voltage range, fast propagation delay, and robust temperature tolerance make it an excellent choice for a variety of digital applications, from consumer electronics to industrial systems.