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ICM7228CIBI from HAR

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ICM7228CIBI

Manufacturer: HAR, I, INTERSIL

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

Partnumber Manufacturer Quantity Availability
ICM7228CIBI HAR, I, INTERSIL 172 In Stock

Description and Introduction

8-Digit, Microprocessor- Compatible, LED Display Decoder Driver The ICM7228CIBI is a 4-digit LED display driver manufactured by Harris Semiconductor (now part of Intersil). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- **HAR** (Harris Semiconductor, now part of Intersil/Renesas)  

### **Specifications:**  
- **Type:** 4-Digit, Multiplexed LED Display Driver  
- **Interface:** Parallel or Serial (SPI-compatible)  
- **Supply Voltage:** 4.5V to 6V  
- **Display Type:** Common Cathode or Common Anode (configurable)  
- **Digit Drive:** 8-segment (7-segment + decimal point)  
- **Maximum Segment Current:** 25mA  
- **Multiplexing Frequency:** ~500Hz  
- **Operating Temperature:** -40°C to +85°C  
- **Package:** 28-pin DIP (Dual In-line Package)  

### **Descriptions:**  
- The ICM7228CIBI is a versatile LED driver capable of driving 4-digit, 7-segment LED displays with multiplexing.  
- It supports both parallel and serial data input modes.  
- Includes on-chip digit and segment drivers, reducing external component count.  
- Features a built-in BCD-to-7-segment decoder with hexadecimal capability.  

### **Features:**  
- **Multiplexed Display Drive:** Reduces wiring complexity.  
- **BCD or Hexadecimal Decoding:** Supports numeric and some alphabetic characters.  
- **Brightness Control:** Adjustable via external resistor.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Flexible Interface:** Works with microcontrollers via parallel or SPI.  
- **Blanking Control:** Allows display suppression when needed.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • MAX7219CNG+ --: 8-digit LED display driver with multiplexed output, functionally similar to the ICM7228 display driver family and widely available.
  • MAX7221CNG+ --: Slew-rate-limited version of the MAX7219, same 8-digit display driver function, good drop-in alternative for display driving applications.
  • MC14489BDWE --: Multiplexed 5-digit LED display driver with similar serial interface and display driving function, suitable as a functional replacement.
  • MM5450BN --: LED display driver with serial input and multiple outputs, usable as an alternative display driver in similar applications.

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