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ICM7555CBA
+BOMIC OSC SINGLE TIMER 1MHZ 8-SOIC
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メーカールネサス エレクトロニクス アメリカ株式会社
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メーカー品番 #ICM7555CBA
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在庫状況6470
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| 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 |
概要
Description
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
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
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
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
Application
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.