ICM7555CD

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ICM7555CD

+BOM

Timers & Support Products CMOS TIMER

  • ManufacturerNXP Semiconductors

  • Mfr. Part #ICM7555CD

  • In Stock28442

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Specifications

Attribute Value
Packaging Tube
Standard Pack Qty 100

Overview

Description

The ICM7555CD is a CMOS version of the popular 555 timer IC, used for precision timing applications. It offers improved performance over its bipolar counterparts, with lower power consumption, a wide operating voltage range (typically 3V to 15V), and high input impedance. This makes it suitable for battery-powered devices and other applications requiring energy efficiency. The ICM7555CD functions as a monostable or astable multivibrator, allowing it to generate accurate time delays or oscillations. Key features include low supply current, minimal external components, and compatibility with TTL and CMOS logic levels. Its applications range from simple timers and pulse generation to more complex tasks like pulse-width modulation and frequency generation. The device is available in a DIP (Dual Inline Package) or surface-mount configurations, making it versatile for various circuit designs. Overall, the ICM7555CD is an efficient and flexible timing solution for modern electronic projects.

Equivalent

The ICM7555CD is a CMOS timer IC similar to the standard 555 timer, but with lower power consumption. Equivalent products include the TLC555 from Texas Instruments, the LMC555 from Texas Instruments, and the TS555 from STMicroelectronics. These CMOS versions offer similar functionality with improved efficiency and are generally pin-compatible, making them suitable substitutes for the ICM7555CD in most applications.

Features

The ICM7555CD is a CMOS version of the classic 555 timer IC, offering enhanced performance and features. Key features include low power consumption due to its CMOS technology, which makes it suitable for battery-powered applications. It operates over a wide voltage range, typically from 3V to 15V, providing flexibility in various circuit designs. The device is known for its precise timing capabilities, with an adjustable frequency and duty cycle. It maintains compatibility with the standard 555 timer, allowing for easy substitution in existing circuits.
The ICM7555CD has high output current capability, which can directly drive TTL loads, and is characterized by a low supply current, minimizing power usage. Additionally, it features improved temperature stability and reduced spike noise, enhancing its reliability in sensitive applications. The IC typically comes in an 8-pin DIP or SOIC package, making it easy to integrate into a variety of electronic projects. Its versatility makes it suitable for use in applications such as timers, pulse generation, and oscillator circuits.

Pinout

The ICM7555CD is a CMOS Timer IC, functioning as a direct replacement for the traditional NE555 timer, but with improved performance and lower power consumption. It typically comes in an 8-pin package. Here’s a brief breakdown of its pin functions:
1. Ground (GND): Pin 1 - Connects to the ground or the negative supply voltage.
2. Trigger (TRIG): Pin 2 - Initiates the timing cycle and is activated when the voltage drops below 1/3 of the supply voltage.
3. Output (OUT): Pin 3 - Provides the timer's output signal.
4. Reset (RESET): Pin 4 - Resets the timer when this pin is held low. It overrides all other inputs.
5. Control Voltage (CV): Pin 5 - Allows modification of the threshold and trigger levels. Often left unconnected or connected to ground via a capacitor.
6. Threshold (THRESH): Pin 6 - Ends the timing interval when the voltage exceeds 2/3 of the supply voltage.
7. Discharge (DISCH): Pin 7 - Discharges the timing capacitor to ground when the output is low.
8. Supply Voltage (VCC): Pin 8 - Connects to the positive supply voltage.
The ICM7555CD offers low power consumption, making it suitable for battery-operated devices.

Manufacturer

The ICM7555CD is a version of the 555 timer IC manufactured by Renesas Electronics Corporation. Renesas is a Japanese semiconductor company that designs and manufactures a wide range of semiconductor products, including microcontrollers, system-on-chip (SoC) solutions, and analog and power devices. The company is known for providing advanced semiconductor solutions for applications in automotive, industrial, home electronics, and information communication technology markets.

Application

The ICM7555CD is a CMOS version of the popular 555 timer IC, offering advantages like low power consumption and high input impedance. It is commonly used in the following application areas:
1. Timers and Delays: Used for creating precise time delays and pulse generation in circuits.
2. Oscillators: Employed in generating square wave signals for clock generation and frequency modulation.
3. Pulse Width Modulation (PWM): Utilized in controlling motor speeds and LED brightness.
4. Frequency Dividers: Used in dividing frequency in digital circuits.
5. Monostable and Astable Multivibrators: Ideal for applications requiring monostable (one-shot) or astable (free-running) configurations.
Its versatility makes it suitable for a wide range of electronic applications including automotive, industrial, and consumer electronics.

Package

The ICM7555CD is available in an SOIC (Small Outline Integrated Circuit) package type, which is a form of surface-mount technology that is more compact than traditional DIP (Dual In-line Package) formats, making it suitable for modern electronic circuit designs requiring space-efficient components.

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