CD74HC40103M96

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The CD74HC40103M96 is a high-speed CMOS 10-bit Presettable Divide-by-N Counter. The counter spans the frequency range from DC to over 70MHz while consuming only 40mA of supply current. With its Preset Feature, the CD74HC40103M96 can be reset to any user-defined number within 10-bits and the value is retained until a new Preset is applied. As other similar logic families, the CD74HC40103M96 also has superior noise immunity when compared to other TTL logic counters/dividers about two order magnitude better to ensure reliable performance in industrial, commercial and telecom applications.

Application Field

The CD74HC40103M96 is ideal for a wide variety of applications including:

• Frequency Division
• Frequency Division Chain
• Frequency Measurement
• Frequency Measurement Range Extension
• Ranging in Frequency Domain
• Automatic Frequency Control (AFC)
• Decimal (\'BCD\') Decoding
• Multiple ADC/DAC Synchronization
• Motor Control
• Pulse Modulation
• CDMA Multi-Channel Scanning
• Paging Systems
• Automotive Ignition Control
• Communication Systems

Working Principle

The CD74HC40103M96 essentially divides the frequency of the input signal by a given number. It has a wide variety of uses, including the generation of timing signals, synchronizing data communications systems, or establishing the frequency of generated tones. The CD74HC40103M96 is usually triggered by a signal that is an exact multiple of the desired frequency, for example 4x, 8x, 16x, etc. Generally, these signals are generated directly by a phase-locked loop (PLL).

The CD74HC40103M96 includes 10-bit counters, which are used to count the number of cycles that have been completed. Counters can count up, or they can count down. The counter allows the user to select either up or down counting. When a trigger pulse is entered, the counter begins counting. When it reaches the preset value, the counter will output a signal. The signal can then be used to trigger different events or serve as a communications signal.

The CD74HC40103M96 is capable of dividing the input signal frequency by a preset value between 1 and 1023. This is achieved by connecting the signals from the counter stages to the preset input and setting the presettable value to the desired divider value. After proper configuration and connection of the signals, the counter will provide a signal output for every “n”th pulse. In addition to the divide-by-N functionality, the CD74HC40103M96 also features on-chip enahancement circuits designed to improve noise immunity. This is achieved by the use of Schmitt triggers on the counter inputs.

The CD74HC40103M96 is an excellent choice for applications requiring a wide range of divisor values over a high frequency range. It is a versatile, high performance device that can be used to meet a wide range of needs. It is relatively easy to configure and use and is a reliable and cost-effective solution.

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