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ICM7228AIJI from HAR

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ICM7228AIJI

Manufacturer: HAR, HARRIS, INTERSIL

8-Digit, Microprocessor- Compatible, LED Display Decoder Driver

Partnumber Manufacturer Quantity Availability
ICM7228AIJI HAR, HARRIS, INTERSIL 3079 In Stock

Description and Introduction

8-Digit, Microprocessor- Compatible, LED Display Decoder Driver The ICM7228AIJI is a 4-digit LED display driver manufactured by Harris Semiconductor. Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Harris Semiconductor  
- **Type:** 4-Digit LED Display Driver  
- **Interface:** Parallel  
- **Supply Voltage:** 4.5V to 6V  
- **Display Type:** Common Cathode or Common Anode (configurable)  
- **Digits Supported:** 4  
- **Segments:** 7-segment (plus decimal point)  
- **Package:** 28-pin DIP (Dual In-line Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The ICM7228AIJI is a versatile LED driver capable of driving 4-digit 7-segment LED displays.  
- It includes an on-chip multiplex scan circuitry, reducing external component requirements.  
- Supports both common cathode and common anode display configurations.  
- Features a BCD-to-7-segment decoder with hexadecimal capability.  

### **Features:**  
- **Multiplexed Display Drive:** Reduces wiring complexity.  
- **BCD or Hexadecimal Input:** Supports direct BCD or hex input for display decoding.  
- **Brightness Control:** Adjustable via external resistor.  
- **Low Power Consumption:** Suitable for battery-operated applications.  
- **No External Oscillator Required:** Includes an internal oscillator for multiplexing.  
- **Blanking Control:** Allows suppression of leading/trailing zeros.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

8-Digit, Microprocessor- Compatible, LED Display Decoder Driver

Alternative Part Number

  • MAX7219CNG+ --: Widely available 8-digit LED display driver in DIP package, functionally similar to the ICM7228 display driver family and easy to source.
  • MC14489B --: Multiplexed LED display driver with comparable 5-digit drive capability, a common cross-reference for ICM7228 display drivers.
  • ICM7218AIJI --: Closely related Intersil display driver from the same family lineage with similar interface and drive characteristics, though from a different series prefix.
  • MAX7221CNG+ --: Similar 8-digit LED display driver with SPI interface and slightly improved EMI behavior, suitable where the ICM7228 was used for multiplexed seven-segment display control.
  • MC14489BDWE --: Multiplexed LED display driver from a different series that can replace ICM7228 display driving functions in many designs, though pinout and interface should be verified.

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