CD74HC4024M

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CD74HC4024M is a programmable counter/divider IC that is extensively used in various programmable dividers/counters applications. This is a single chip comprising of counter, and divider circuits. The range of devices available cover various frequency dividing applications that facilitate counting both edge-triggered and level-triggered events with an output of several thousand cycles per count needed in special applications.

This device is available in small size packages that contain built-in multiplexers for generating output signals of variable duty cycles and output gates for different conditions. The CD74HC4024M specifically uses the 4-bit synchronous counter that uses two 4-bit binary counters with a synchronous load input (LOAD). The PINs of the device are suitable for connections to the external crystal circuits for counting about 28MHz.

The CD74HC4024M is a CMOS integrated circuit used for 8-bit programmable counter/divider and can be used for generating a range of frequency and pulse time divisions. It is specifically designed to reduce propagation delays, power dissipation and package count. The CLOCK INPUT is used for exchanging the input pulses at a fixed rate and generating the appropriate DATA INPUT pulses in accordance with the desired logic count. The other input signal is the ENABLE input which enables both counters.

The CD74HC4024M works by having a pair of 4-bit synchronous binary down counters that are interconnected to provide a modulus-8 divider. The counter can be preset by transferring simultaneous parallel data to the flip-flops via the LOAD input. Also, the counters can be preset in binary, to any value from 0000 to 1111. There is an inhibit signal that inhibits the clock input in both the counters.

The device operates with a power supply of about 3V and is capable of operating at a frequency of about 5MHz in the presence of a damping resistor. The device has a maximum propagation delay of about 15ns for most logic functions and a maximum toggle rate of about 10MHz. The amount of power required for the device depends on the application used. In normal conditions, the current levels are usually very low and range from 1.5µA-20µA.

Various applications of CD74HC4024M include frequency division by 2, 4, 8, and 16, tone generating devices, ring counter, and random trigger devices in digital equipment, digital control devices, and pulse stretcher circuits. The device has been designed to provide reliable and precise logic operations with a stable and consistent output. It has a wide operating range with good performances while being capable of working over a wide temperature range.-50°C to +125°C.

The CD74HC4024M is one of the most versatile integrated single-chip solutions available for programmable divider/counter applications. Its reliable and consistent output makes it popular for use in a variety of applications. Its wide operating range and low power consumption make it a desirable choice for applications that require frequency division with precise logic operations at a reduced cost.

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