74HC4040PW-Q100J

Timing:	--
Base Part Number:	74HC4040
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2V ~ 6V
Trigger Type:	Negative Edge
Count Rate:	98MHz
Series:	Automotive, AEC-Q100, 74HC
Reset:	Asynchronous
Number of Bits per Element:	12
Number of Elements:	1
Direction:	Up
Logic Type:	Binary Counter
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The 74HC4040PW-Q100J is a monolithic integrated circuit from NXP Semiconductors. It is part of the 74HC family of Logic - Counters, Dividers. It is a 12-bit ripple type counter with a high speed of operation. The chip has two divisions – the four main counters and the dividing counter. The four main counters can be cascaded together to create a longer count sequence. The chip also has an internal oscillator and clock input/output.The 74HC4040PW-Q100J offers a number of advantages when compared to discrete counters. Firstly, it is much smaller and has fewer external connections needed, which simplifies the design of the system. It also has a much lower power consumption than the discrete circuit designs. Moreover, the chip provides a higher density of logic gates and allows a much faster cycle time than the discrete designs.The 74HC4040PW-Q100J has two main applications – clock synthesis and event counting. As a clock synthesizer, the chip can generate a high frequency clock proportional to the input frequency with a fixed duty cycle. This makes it suitable for use in applications such as frequency dividers and synthesizing clocks for digital integrated circuits.The 74HC4040PW-Q100J also can be used for event counting. This application is particularly useful in systems with a need for accurate and fast measurements of events. For example, the chip could be used to count the number of laser pulses generated, or the number of events on an input line. It can also be used as a counter and divider in digital systems, such as a timer or watch.The 74HC4040PW-Q100J is usually operated as a stand-alone counter. It is also possible to connect the chip to a microprocessor or other logic block in order to count events which have a certain logical pattern. This allows for more complex counting operations and allows the system to react to certain events.The working principle of the 74HC4040PW-Q100J is based on the ripple counters. Each clock cycle is divided into four parts or states. At the beginning of each cycle, the counter starts counting in the first state. When the clock cycle reaches its maximum, the counter goes back to the first state. The output is connected to an external pin, allowing for a direct indication of the count.The maximum counting frequency of the 74HC4040PW-Q100J is 100 MHz, which combined with its low power consumption and efficient design, makes it ideal for a variety of applications. With its ability to generate both clock and event-based counting, the chip can be used in different types of circuit designs. The chip can also operate using either active-low or active-high logic, giving engineers flexibility when designing systems.In conclusion, the 74HC4040PW-Q100J is a versatile and powerful monolithic integrated circuit from NXP Semiconductors. It is part of the 74HC family of Logic - Counters, Dividers and is ideal for those requiring a compact, efficient and cost-effective counter for their system. The working principle of the chip is based on the ripple counter and it can generate both clock and event-based counting up to a maximum frequency of 100 MHz. It is also capable of operating in either active-high or active-low logic, giving engineers greater flexibility when designing their system.

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