HEF4521BT,653

Product Overview

Category

HEF4521BT,653 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics for various applications such as counters, timers, and frequency dividers.

Characteristics

• HEF4521BT,653 is a CMOS 8-stage static shift register.
• It operates at a wide voltage range of 3V to 15V.
• The device has a high noise immunity and low power consumption.
• It is designed to be compatible with most TTL families.

Package

HEF4521BT,653 is available in a standard SOIC-16 package.

Essence

The essence of HEF4521BT,653 lies in its ability to store and shift data in a sequential manner, making it suitable for applications requiring precise timing and control.

Packaging/Quantity

HEF4521BT,653 is typically packaged in reels containing 2500 units per reel.

Specifications

• Supply Voltage: 3V to 15V
• Logic Family: CMOS
• Number of Stages: 8
• Package Type: SOIC-16
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL

Detailed Pin Configuration

HEF4521BT,653 features the following pin configuration:

1. QA (Output A)
2. QB (Output B)
3. QC (Output C)
4. QD (Output D)
5. QE (Output E)
6. QF (Output F)
7. QG (Output G)
8. QH (Output H)
9. MR (Master Reset)
10. CP (Clock Pulse)
11. DS (Serial Data Input)
12. OE (Output Enable)
13. VSS (Ground)
14. VDD (Supply Voltage)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• HEF4521BT,653 can be used as a binary counter or a frequency divider.
• It has a master reset function to clear all the stages simultaneously.
• The clock pulse input allows for synchronous shifting of data.
• Output enable pin enables/disables the outputs.
• Serial data input allows for serial data loading.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for flexibility in various applications.
• Low power consumption makes it suitable for battery-powered devices.
• High noise immunity ensures reliable operation even in noisy environments.
• Compatibility with TTL families simplifies integration into existing systems.

Disadvantages

• Limited number of stages may restrict its use in certain complex applications.
• Lack of built-in error detection or correction mechanisms.

Working Principles

HEF4521BT,653 operates based on the principles of sequential logic. It stores and shifts data through its eight stages using clock pulses. The master reset function allows for clearing all stages simultaneously, while the output enable pin controls the activation of outputs. The device can be cascaded to achieve higher bit counts if required.

Detailed Application Field Plans

HEF4521BT,653 finds applications in various fields including: - Digital counters and timers - Frequency dividers - Industrial automation - Communication systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to HEF4521BT,653 are: - CD4015BE - SN74HC595N - MC14094BCP - 74HCT164N

These alternatives can be considered based on specific requirements and compatibility with existing systems.

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