Long Range Fixed Timer The ICM7242 is a real-time clock (RTC) integrated circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features of the ICM7242 based on available data:
### **Specifications:**
1. **Manufacturer:** Maxim Integrated (now Analog Devices)
2. **Type:** Real-Time Clock (RTC)
3. **Interface:** Parallel (8-bit)
4. **Supply Voltage:** Typically operates at **+5V**
5. **Clock Frequency:** Internal timekeeping oscillator (standard 32.768 kHz crystal)
6. **Timekeeping Accuracy:** Dependent on crystal accuracy (typically ±2 minutes per month)
7. **Operating Temperature Range:** Commercial grade (0°C to +70°C)
8. **Package Type:** Likely available in **DIP (Dual In-line Package)** or similar
### **Descriptions:**
- The ICM7242 is a **parallel-interfaced real-time clock (RTC)** designed for timekeeping applications.
- It includes an **on-chip oscillator** that works with an external 32.768 kHz crystal for accurate timekeeping.
- The device provides **seconds, minutes, hours, day, date, month, and year** functionality.
- It is commonly used in embedded systems, industrial controls, and consumer electronics requiring timekeeping.
### **Features:**
1. **Real-Time Clock Functionality:** Tracks time in **12-hour or 24-hour format**.
2. **Calendar Function:** Includes day, date, month, and year tracking.
3. **Parallel Data Interface:** 8-bit data bus for easy interfacing with microcontrollers.
4. **On-Chip Oscillator:** Requires only an external 32.768 kHz crystal.
5. **Battery Backup Support:** Can be paired with an external battery for continuous timekeeping during power loss.
6. **Low Power Consumption:** Suitable for battery-operated applications.
For exact datasheet details, refer to **Maxim Integrated (Analog Devices) documentation**.
(Note: Some specifications may vary based on specific variants or revisions.)
