Texas Instruments

CD74HC123PWR

The Texas Instruments CD74HC123PWR is a high-speed programmable binary counter integrated circuit (IC) that is commonly used in digital electronics. Here is a description of the CD74HC123PWR, including its features and applications:

Description:

The CD74HC123PWR is a member of the 74HC series of CMOS logic devices. It is a programmable binary counter that can be configured to divide the frequency of an input clock signal by a factor of up to 2^16 (65,536). The device is available in a 16-pin package and operates over a wide supply voltage range of 2V to 6V.

Features:

1. High-speed operation: The CD74HC123PWR can operate at clock frequencies up to 40 MHz, making it suitable for high-speed applications.
2. Programmable divide ratio: The divide ratio can be programmed using an external resistor or capacitor, allowing for a wide range of output frequencies.
3. Synchronous reset: The device features a synchronous reset input that allows the counter to be reset to a specific value.
4. Clear input: A clear input allows the counter to be reset to zero.
5. Three-state outputs: The device has three-state outputs, making it easy to interface with other logic devices.
6. Low power consumption: The CD74HC123PWR has low power consumption, making it suitable for battery-powered applications.

Applications:

The CD74HC123PWR has a wide range of applications in digital electronics, including:

1. Frequency division: The device can be used to divide the frequency of an input clock signal, making it useful in clock generation and frequency synthesis applications.
2. Pulse generation: The programmable divide ratio allows the device to generate precise pulse widths, making it useful in applications such as motor control and signal processing.
3. Timing and synchronization: The CD74HC123PWR can be used to generate precise time intervals and synchronize events in digital systems.
4. Digital instrumentation: The device can be used in digital instruments such as counters, frequency meters, and period meters.
5. Communication systems: The CD74HC123PWR can be used in communication systems to generate clock signals for data transmission and reception.

Overall, the Texas Instruments CD74HC123PWR is a versatile and high-speed programmable binary counter that is widely used in digital electronics for a variety of applications.