ICM7228CIBIZ

Product Overview

Category

ICM7228CIBIZ belongs to the category of Integrated Circuits (ICs).

Use

ICM7228CIBIZ is commonly used as a display driver for LED-based applications.

Characteristics

• Package: ICM7228CIBIZ comes in a 40-pin PDIP package.
• Essence: It is designed to provide efficient control and drive capabilities for LED displays.
• Packaging/Quantity: The product is typically sold in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

The ICM7228CIBIZ has the following specifications:

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 2MHz
• Number of Digits: 8
• Maximum Segment Current: 80mA
• Maximum Output Voltage: 15V

Detailed Pin Configuration

The pin configuration of ICM7228CIBIZ is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. OSC - Oscillator input
4. CLK - Clock input
5. DIN - Serial data input
6. LOAD - Load input
7. BLANK - Blank input
8. TEST - Test input
9. SEG A - Segment A output
10. SEG B - Segment B output
11. SEG C - Segment C output
12. SEG D - Segment D output
13. SEG E - Segment E output
14. SEG F - Segment F output
15. SEG G - Segment G output
16. SEG DP - Decimal point segment output 17-24. DIG0-DIG7 - Digit outputs

Functional Features

• Serial Data Input: Allows easy interfacing with microcontrollers or other devices.
• Multiplexed Display: Supports up to 8 digits, enabling the control of larger displays.
• Segment Outputs: Provides individual control over each LED segment for versatile display designs.
• Blank Input: Allows blanking of the display when needed.
• Test Input: Facilitates testing and diagnostics.

Advantages and Disadvantages

Advantages

• Versatile: Suitable for a wide range of LED display applications.
• Easy Integration: Can be easily interfaced with microcontrollers or other devices.
• Efficient Control: Provides efficient control and drive capabilities for LED displays.

Disadvantages

• Limited Maximum Segment Current: The maximum segment current of 80mA may not be sufficient for certain high-power LED applications.
• Limited Number of Digits: Supports up to 8 digits, which may not be suitable for larger displays.

Working Principles

ICM7228CIBIZ operates by receiving serial data input and clock signals from an external device. It then processes this data and drives the corresponding LED segments to display the desired information. The multiplexing feature allows for efficient control of multiple digits using fewer pins.

Detailed Application Field Plans

ICM7228CIBIZ finds applications in various fields, including but not limited to: - Digital clocks - Scoreboards - Industrial control panels - Instrumentation displays - Advertising displays

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ICM7228CIBIZ are: - MAX7219 - TLC5940 - HT16K33 - CD74HC4511E

These models offer similar functionalities and can be used as substitutes depending on specific requirements.

In conclusion, ICM7228CIBIZ is a versatile LED display driver IC that provides efficient control and drive capabilities. Its easy integration, multiplexing feature, and individual segment control make it suitable for various applications. However, its limited maximum segment current and number of digits should be considered when selecting the appropriate display driver for specific projects.

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