8-Bit Binary, Programmable, RC Timer Counter The ICM7240IWE 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 from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** ICM7240IWE
- **Type:** Real-Time Clock (RTC)
- **Package:** 16-pin Wide SOIC (SOIC-16)
- **Supply Voltage:** 4.5V to 6.5V
- **Operating Temperature Range:** -40°C to +85°C
- **Clock Frequency:** 32.768 kHz (standard crystal frequency)
- **Timekeeping Accuracy:** Dependent on external crystal (typical ±2ppm with precision crystal)
- **Interface:** Parallel (8-bit)
- **Time Format:** 12-hour or 24-hour
- **Alarm Function:** Yes (programmable)
- **Battery Backup Support:** Yes (for timekeeping during power loss)
- **Low Power Consumption:** Typically <1mA in active mode
### **Descriptions:**
- The ICM7240IWE is a real-time clock IC designed for timekeeping applications.
- It includes an on-chip oscillator that works with an external 32.768 kHz crystal.
- Provides seconds, minutes, hours, day, date, month, and year functions.
- Supports leap year compensation up to the year 2099.
- Features a programmable alarm with interrupt capability.
- Can operate in 12-hour or 24-hour time format.
### **Features:**
- **Integrated Oscillator:** Works with an external crystal for accurate timekeeping.
- **Battery Backup:** Maintains timekeeping during power interruptions.
- **Parallel Interface:** 8-bit data bus for easy interfacing with microcontrollers.
- **Programmable Alarm:** Can trigger an interrupt or output signal.
- **Low Power:** Suitable for battery-powered applications.
- **Wide Operating Voltage:** Supports 4.5V to 6.5V.
- **Industrial Temperature Range:** Operates from -40°C to +85°C.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.
