4 Digit (LED) Presettable Up/Down Counter The ICM7217AIJI is a 4-digit LED display driver manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on available data:
### **Specifications:**
- **Manufacturer:** Maxim Integrated (MAX)
- **Part Number:** ICM7217AIJI
- **Type:** 4-Digit LED Display Driver
- **Interface:** Parallel
- **Supply Voltage:** 4.5V to 6V
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-Pin PLCC (Plastic Leaded Chip Carrier)
- **Display Type:** Common Cathode or Common Anode (configurable)
- **Multiplexing:** Yes (for driving 4 digits)
- **Segment Drive Capability:** 7 segments + decimal point
- **Maximum Output Current:** 25mA per segment
- **Features:** On-chip oscillator, BCD-to-7-segment decoder
### **Descriptions:**
The ICM7217AIJI is a dedicated LED display driver designed to control 4-digit 7-segment LED displays. It includes an on-chip oscillator, eliminating the need for an external clock. It supports both common cathode and common anode displays, making it versatile for different applications. The device interfaces with a microcontroller or logic circuit via a parallel input and provides multiplexed outputs to drive the display efficiently.
### **Features:**
1. **Integrated BCD-to-7-Segment Decoder** – Converts binary-coded decimal (BCD) inputs to LED segment outputs.
2. **Multiplexed Display Drive** – Reduces external component count by time-multiplexing digit outputs.
3. **On-Chip Oscillator** – No external clock required for multiplexing.
4. **Wide Voltage Range** – Operates from 4.5V to 6V, suitable for 5V systems.
5. **High Output Current** – Capable of driving up to 25mA per segment.
6. **Flexible Display Configuration** – Supports both common cathode and common anode displays.
7. **Low Power Consumption** – Optimized for energy efficiency in LED driving applications.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.
