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74HC221D from PHILIPS

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74HC221D

Manufacturer: PHILIPS

Dual non-retriggerable monostable multivibrator with reset

Partnumber Manufacturer Quantity Availability
74HC221D PHILIPS 70 In Stock

Description and Introduction

Dual non-retriggerable monostable multivibrator with reset The **74HC221D** from Philips is a high-speed, dual monostable multivibrator integrated circuit (IC) designed for precision timing applications. Built using advanced silicon-gate CMOS technology, this component offers low power consumption while maintaining high noise immunity and robust performance.  

Each of the two monostable multivibrators in the **74HC221D** features independent trigger and reset inputs, allowing for flexible pulse generation. The output pulse width is determined by an external resistor and capacitor, providing adjustable timing control. With a wide operating voltage range (2V to 6V), this IC is suitable for various digital and timing circuits in industrial, automotive, and consumer electronics.  

Key features include **Schmitt-trigger inputs** for improved noise rejection, **symmetrical output characteristics**, and compatibility with standard CMOS and TTL logic levels. The **74HC221D** is housed in a **SOIC-16 package**, making it compact and suitable for space-constrained designs.  

Applications range from **pulse stretching, delay generation, and debouncing circuits** to more complex timing functions in microcontroller-based systems. Its reliable performance and ease of integration make the **74HC221D** a preferred choice for engineers seeking precise and stable timing solutions.  

For detailed specifications, always refer to the official datasheet to ensure proper implementation in your design.

Partnumber Manufacturer Quantity Availability
74HC221D PHI 2500 In Stock

Description and Introduction

Dual non-retriggerable monostable multivibrator with reset The 74HC221D is a dual monostable multivibrator IC manufactured by Philips (PHI). It is part of the 74HC series, which operates at high-speed CMOS logic levels. Key specifications include:

- **Supply Voltage Range**: 2V to 6V
- **Operating Temperature Range**: -40°C to +125°C
- **Output Current**: ±25 mA
- **Propagation Delay**: Typically 20 ns at 5V
- **Trigger Inputs**: Both positive and negative edge-triggered
- **Package**: SOIC-16

The device is designed for applications requiring precise pulse generation, such as timing, delay, and pulse-width modulation circuits.

Partnumber Manufacturer Quantity Availability
74HC221D NXP 17500 In Stock

Description and Introduction

Dual non-retriggerable monostable multivibrator with reset The 74HC221D is a dual monostable multivibrator IC manufactured by NXP Semiconductors. It is part of the 74HC family, which operates at a voltage range of 2.0V to 6.0V. The device features two independent monostable multivibrators with Schmitt-trigger inputs, ensuring noise immunity. It is available in a SOIC-16 package. Key specifications include:

- Supply voltage range: 2.0V to 6.0V
- High noise immunity
- Output current: ±5.2 mA
- Propagation delay: Typically 20 ns at 5V
- Operating temperature range: -40°C to +125°C
- Package: SOIC-16

The 74HC221D is designed for applications requiring precise timing, such as pulse generation and delay circuits.

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