ICM7555CBA

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ICM7555CBA

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IC OSC SINGLE TIMER 1MHZ 8-SOIC

  • Производителькомпанией Renesas Electronics America Inc

  • Мфр. Часть #ICM7555CBA

  • Пакет 8-SOIC (0.154, 3.90mm Width)

  • В наличии6470

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Спецификации

Атрибут Ценность
Supplier Renesas Electronics America Inc
Package Tube
ProductStatus Obsolete
Type 555 Type, Timer/Oscillator (Single)
Frequency 1MHz
Voltage-Supply 2V ~ 18V
Current-Supply 60 µA
OperatingTemperature 0°C ~ 70°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

Обзор

Description

The ICM7555CBA is a precision timer integrated circuit (IC) that serves primarily as a time delay or oscillator in various electronic applications. It is an enhanced version of the popular 555 timer IC, featuring improved characteristics such as lower power consumption and higher accuracy. The ICM7555CBA operates over a wide voltage range, typically from 3V to 15V, making it versatile for different project requirements.
This IC is designed for both monostable and astable operation. In monostable mode, it generates a single pulse of a specified duration, whereas in astable mode, it produces a continuous square wave output. The frequency and duty cycle of the output can be easily adjusted using external resistors and capacitors. This flexibility makes the ICM7555CBA suitable for applications like pulse generation, timers, LED flashers, and frequency dividers.
Key features of the ICM7555CBA include low supply current, high output drive capability, and compatibility with CMOS technology, allowing it to interface well with digital logic circuits.

Equivalent

The ICM7555CBA is a CMOS-based timer IC, equivalent to the standard 555 timer but with improved specifications. Equivalent products include:
1. LMC555 from Texas Instruments
2. TLC555 from Texas Instruments
3. TS555 from STMicroelectronics
4. NE555 from NXP Semiconductors (bipolar version with similar function)
5. MC1455 from ON Semiconductor (bipolar version with similar function)
These are CMOS versions of the classic 555 timer, offering similar functionality with lower power consumption and enhanced performance.

Features

The ICM7555CBA is a CMOS-based version of the classic 555 timer IC, featuring low power consumption and enhanced performance. Key features include:
1. Low Supply Current: It operates with a lower supply current compared to the traditional bipolar 555 timers, making it suitable for battery-powered applications.

2. Wide Supply Voltage Range: The ICM7555CBA supports a wide voltage range from 3V to 16V, providing versatility across different applications.
3. Precision Timing: It offers accurate timing from microseconds to hours, depending on the external components used.
4. Low Power Consumption: Its CMOS technology ensures reduced power dissipation.
5. Astable and Monostable Operation: The IC can be configured for either astable (oscillator) or monostable (one-shot) modes, making it flexible for various applications.
6. Pin Compatibility: It is pin-compatible with the standard NE555 timer, allowing for easy integration into existing designs.
7. Reduced Output Transistor Saturation Voltage: This leads to better performance in low-voltage applications.
These features make the ICM7555CBA a robust choice for timing, pulse generation, and oscillator applications in both consumer electronics and industrial systems.

Pinout

The ICM7555CBA is a CMOS-based timer IC, similar to the classic 555 timer, but with improved performance and lower power consumption. It typically comes in an 8-pin package. Here’s a brief overview of its pin functions:
1. Pin 1 (GND): Ground reference voltage.
2. Pin 2 (TRIG): Trigger input, which starts the timing interval when it goes below 1/3 of the supply voltage.
3. Pin 3 (OUT): Output, delivers the timing pulse.
4. Pin 4 (RESET): Resets the timing interval when held low; normally connected to VCC if not used.
5. Pin 5 (CTRL): Control voltage, allows the modification of the threshold voltage. Often left unconnected or connected to a decoupling capacitor.
6. Pin 6 (THRES): Threshold, which ends the timing interval when it exceeds 2/3 of the supply voltage.
7. Pin 7 (DISCH): Discharge, used to discharge a timing capacitor to ground.
8. Pin 8 (VCC): Supply voltage, typically ranging from 2V to 18V.
The ICM7555CBA is widely used in monostable and astable configurations for generating precise timing and waveform applications.

Manufacturer

The ICM7555CBA is manufactured by Renesas Electronics, which acquired Intersil, the original manufacturer, in 2017. Renesas Electronics is a prominent Japanese semiconductor company known for designing and producing a wide array of semiconductor solutions, including microcontrollers, analog, and power devices. The company caters to various sectors, such as automotive, industrial, consumer electronics, and communications. Renesas is recognized for its innovation and expertise in providing integrated solutions that enhance performance and efficiency across different applications.

Application

The ICM7555CBA is a CMOS-based timer IC known for its low power consumption and versatility. Its primary application areas include:
1. Timers and Delays: Used in generating precise time delays or oscillations in electronic circuits.
2. Pulse Generation: Ideal for creating square wave outputs for clocks, pulse width modulation, and frequency generation.
3. Sequential Timing: Employed in applications requiring sequential event timing like LED flashers and alarms.
4. Frequency Divider: Acts as a frequency divider for digital circuits.
5. Waveform Generation: Suitable for generating sawtooth and triangle waveforms.
6. Control Circuits: Used in a variety of control circuits, including switching regulators and light dimmers.
These features make it popular in both consumer electronics and industrial applications.

Package

The ICM7555CBA is available in a SOIC-8 package type. SOIC (Small Outline Integrated Circuit) is a surface-mounted package that is compact, suitable for applications requiring efficient space utilization on PCBs.

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