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ICM7555IPA+
+BOMIC OSC SINGLE TIMER 1MHZ 8-DIP
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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 #ICM7555IPA+
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パッケージ 8-DIP (0.300, 7.62mm)
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在庫状況7223
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 | -25°C ~ 85°C |
| Package/Case | 8-DIP (0.300, 7.62mm) |
| SupplierDevicePackage | 8-PDIP |
概要
Description
Key features of the ICM7555IPA+ include high output drive capability, low trigger threshold, and a fast rise and fall time of its output signal. These attributes make it an ideal choice for applications in pulse width modulation, frequency generation, and time delay generation. The IC is often used in hobbyist electronics projects, educational purposes, and various industrial applications due to its reliability and ease of use. As with most 555 timers, it is typically available in an 8-pin dual in-line package (DIP) format.
Equivalent
Features
1. Low Power Consumption: It operates with significantly lower power than its bipolar counterparts, making it suitable for battery-powered devices.
2. Wide Supply Voltage Range: Supports a broad range of supply voltages, typically from 3V to 15V, enhancing its versatility for various applications.
3. High Output Current: It can source or sink current up to 100mA, allowing it to drive LEDs and other components directly.
4. Astable and Monostable Operation: Capable of functioning in both astable (oscillation) and monostable (one-shot) modes, making it useful for generating precise timing and pulse-width modulation.
5. Improved Frequency Stability: Offers better frequency stability over temperature fluctuations compared to the original 555 timer.
6. Low Trigger and Reset Currents: Requires minimal current for triggering and resetting, enhancing its efficiency in low-power applications.
7. Internal Discharge Transistor: Includes a discharge transistor in astable mode, simplifying circuit design.
Overall, the ICM7555IPA+ is designed for precision, efficiency, and versatility in timing applications.
Pinout
1. Ground (GND): Pin 1 is connected to the ground (0V) supply.
2. Trigger: Pin 2 is the trigger input which starts the timing interval in monostable mode.
3. Output: Pin 3 provides the output signal, either high or low.
4. Reset: Pin 4 is the reset input, used to reset or enable the timer. It’s usually connected to V+ if not used.
5. Control Voltage: Pin 5 allows external voltage control of the threshold and trigger levels.
6. Threshold: Pin 6 is used to reset the flip-flop controlling the output, typically connected to the capacitor in astable and monostable modes.
7. Discharge: Pin 7 is connected to the discharge transistor, used to discharge the timing capacitor in astable and monostable configurations.
8. VCC: Pin 8 is connected to the positive supply voltage.
This configuration allows the ICM7555IPA+ to operate in various modes such as monostable, astable, and bistable, making it versatile for timing applications.
Manufacturer
Application
1. Monostable Operation: Used in pulse width modulation, frequency modulation, and time delay circuits.
2. Astable Operation: Ideal for oscillators, clock generation, and signal modulation.
3. Timers: In devices requiring precise timing intervals, such as alarms and counters.
4. Pulse Generation: For generating single or repetitive pulses in control systems.
5. Waveform Generation: Produces square waves, used in digital signal processing.
6. Capacitive Touch Sensing: Employed in touch-sensitive interfaces.
Its low power consumption and versatility make it suitable for both consumer electronics and industrial applications.