Fixed And Programmable Timer/Counters The ICM7250IPE is a real-time clock (RTC) integrated circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual details about the ICM7250IPE:
### **Specifications:**
1. **Manufacturer:** Maxim Integrated (now Analog Devices)
2. **Part Number:** ICM7250IPE
3. **Package:** 28-pin PDIP (Plastic Dual In-line Package)
4. **Interface:** Parallel
5. **Supply Voltage:** 4.5V to 6.5V
6. **Operating Temperature Range:** -40°C to +85°C
7. **Clock Accuracy:** Typically ±2 minutes per month at 25°C
8. **Timekeeping Current:** 500µA (typical)
9. **Backup Supply Current:** 3µA (typical)
10. **Crystal Frequency:** 32.768 kHz
### **Descriptions:**
- The ICM7250IPE is a real-time clock (RTC) with an integrated timekeeping function.
- It includes counters for seconds, minutes, hours, day of the week, date, month, and year (with leap-year compensation).
- The device operates with an external 32.768 kHz crystal oscillator.
- It features a battery backup mode for maintaining timekeeping during power loss.
### **Features:**
1. **Real-Time Clock (RTC):** Maintains time and calendar functions.
2. **Battery Backup Operation:** Supports low-power battery backup mode.
3. **Leap-Year Compensation:** Automatically adjusts for leap years.
4. **Parallel Interface:** Allows easy interfacing with microcontrollers or processors.
5. **Low Power Consumption:** Efficient power usage in both active and backup modes.
6. **Wide Operating Voltage Range:** Supports 4.5V to 6.5V for flexibility in different systems.
7. **Industrial Temperature Range:** Operates reliably from -40°C to +85°C.
This information is based on the manufacturer's datasheet and technical documentation.
