ICM7555ID,623 Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	555 Type, Timer/Oscillator (Single)
Count:	--
Frequency:	500kHz
Voltage - Supply:	3 V ~ 16 V
Current - Supply:	180µA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SO
Mounting Type:	Surface Mount
Base Part Number:	ICM7555

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The ICM7555ID is a programmable timer/oscillator primarily designed to replace the popular 555 timer and 14 stage ripple-carry binary counters. This highly versatile component offers the advantages of a digital counter, and can be used to drive a wide range of digital components such as logic gates, flip flops, standard logic families and other digital circuitry.The ICM7555ID offers the user three basic modes of operation: frequency and period measurement, pulse-width modulation, and digital output from a simple waveform generator. This device comes in several different packages, including DIP, SOIC and PDIP, providing the user with a range of flexible pinouts for particular purposes. The ICM7555ID is an ideal choice for applications such as frequency and period measurement, pulse-width modulation, and waveform generation. It is also highly suitable for providing adjustable timing functions in a variety of digital systems. Applications of ICM7555IDThe ICM7555ID is especially well-suited for applications in AC-to-DC rectification and DC switching power supplies, as it can be easily adjusted to provide the necessary frequencies and waveforms for these applications. It is also suitable for frequency division applications, providing programmable integer division ratios within a certain range. In addition, it can be used for triggering and disabling logic gates and flip flops, or for driving LCD and LED panels for visual display applications. The device is also capable of producing pulse train outputs with programmable pulse width and duty cycle. This makes it useful for applications such as motor speed control, motor direction control, motor phase shifting and digital potentiometers. It is also capable of driving variable duty cycle frequency converters, and can be used in robotic control applications. In addition to the aforementioned applications, the ICM7555ID is also suitable for oscillator and clock circuits, providing a variety of frequency and duty cycle adjustment options. This includes stationary oscillations, saw-tooth oscillations, voltage-controlled oscillations, gain-controlled oscillations, frequency modulation, autonomous free-running oscillations and timing range control.Working Principle of ICM7555IDThe ICM7555ID consists of two main components: a 14-bit binary counter and a 40-bit programmable timer. The counter is used to generate a count from 0 to 999,999,999 and the timer is used to produce a range of output waveforms. The counter is driven by the user’s supply voltage, which is supplied to both the counter and the timer section. When the user supplies a logic level ‘Low’ pulse to the input of the ICM7555ID, the counter is triggered and counts up from 0 to 999,999,999. If the input of the counter is kept at a logic level ‘Low’ it will count perpetually. The timer section of the ICM7555ID is used to produce a range of output waveforms depending on the user’s required application. The timer section contains a programmable oscillator, a modulator, and a latch. The oscillator can be configured to produce either a stable, sinusoidal waveform, or a pulsed waveform. The output of the oscillator is then modulated by the modulator to produce the desired output waveform. The modulator has a programmable input which allows for a range of on-time and off-time settings for the output waveform. The latch then performs a programmable gating and latching, which allows for a range of frequency and duty cycle adjustments for the output waveform. By setting the parameters of the ICM7555ID, the user can adjust the counter, the oscillator and the modulator, to produce the desired output waveform required. The timer/oscillator offers the user a wide range ofadjustable outputs, making it an ideal choice for a variety of applications. The ICM7555ID is a highly versatile and programmable solution for a wide range of circuits and applications.

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