74HC221D,652

Product Overview

• Category: Integrated Circuit
• Use: Digital Logic Gates
• Characteristics: Dual Monostable Multivibrator with Reset
• Package: SOIC-16
• Essence: High-Speed CMOS Logic
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 15 ns (typical)
• Output Current: ±25 mA
• Input Capacitance: 3.5 pF (typical)

Pin Configuration

The 74HC221D,652 has a total of 16 pins arranged as follows:

__ __ Q1 |1 \__/ 16| VCC Q2 |2 15| MR A1 |3 14| Q2 B1 |4 13| Q1 R |5 74 12| B2 GND |6 HC 11| A2 A |7 221 10| CLR B |8 9| Q ----------

Functional Features

The 74HC221D,652 is a dual monostable multivibrator with reset functionality. It is designed using high-speed CMOS logic, making it suitable for various digital logic applications. The device operates on a supply voltage range of 2V to 6V and can withstand temperatures ranging from -40°C to +125°C.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - Compact SOIC-16 package - Reset functionality for precise timing control

Disadvantages: - Limited output current capacity - Relatively small input capacitance

Working Principles

The 74HC221D,652 functions as a dual monostable multivibrator, which means it can generate a pulse of a specific duration in response to an external trigger signal. The device has two independent monostable circuits (Q1 and Q2) that can be triggered individually using the A and B inputs. The pulse width is determined by external resistors and capacitors connected to the R and C pins.

Detailed Application Field Plans

The 74HC221D,652 finds applications in various fields where precise timing control is required. Some potential application areas include:

1. Timing circuits in digital systems
2. Pulse generation for communication protocols
3. Delay circuits in microcontrollers
4. Precision measurement equipment
5. Industrial automation systems

Alternative Models

Here are some alternative models that offer similar functionality to the 74HC221D,652:

1. CD74HC221E from Texas Instruments
2. MC74HC221N from ON Semiconductor
3. SN74HC221N from Texas Instruments
4. HEF4521BP from NXP Semiconductors

These alternatives can be considered based on specific requirements and availability.

In conclusion, the 74HC221D,652 is a high-speed CMOS logic integrated circuit belonging to the digital logic gates category. It offers dual monostable multivibrator functionality with reset capability. With its compact package and wide operating temperature range, it is suitable for various timing control applications in digital systems.