8-Digit, Microprocessor- Compatible, LED Display Decoder Driver The ICM7228AIPI is a device manufactured by **Intersil** (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on available factual information:
### **Specifications:**
- **Manufacturer:** Intersil
- **Part Number:** ICM7228AIPI
- **Type:** 8-Digit Microprocessor-Compatible LED Display Driver
- **Interface:** Parallel (Microprocessor-Compatible)
- **Supply Voltage:** 4.5V to 6V
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-Pin PDIP (Plastic Dual In-Line Package)
- **Multiplexing:** Yes (8-digit multiplexed display)
- **Segment Outputs:** 8 (for driving 7-segment displays)
- **Digit Outputs:** 8 (for digit selection)
- **Current Sinking Capability:** Typically 25mA per segment
- **Features:** On-chip BCD-to-7-segment decoder, multiplex scan circuitry, and display blanking
### **Descriptions:**
The ICM7228AIPI is an 8-digit LED display driver designed for microprocessor-based systems. It includes an on-chip BCD-to-7-segment decoder, multiplex scan circuitry, and digit drivers, making it suitable for driving common-cathode LED displays. It interfaces directly with microprocessors via a parallel data bus and supports multiplexed display operation to minimize power consumption.
### **Features:**
- **8-digit multiplexed LED display driver**
- **BCD-to-7-segment decoder with hexadecimal capability**
- **Microprocessor-compatible parallel interface**
- **On-chip digit and segment drivers**
- **Display blanking control**
- **Low power consumption**
- **Wide operating voltage range (4.5V to 6V)**
- **Industrial temperature range (-40°C to +85°C)**
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official datasheet from Intersil (Renesas).
