10з, Quad, SPST, CMOS Analog Switches The MAX313CUE is a real-time clock (RTC) 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:** MAX313CUE
- **Package:** 16-TSSOP
- **Interface:** I²C
- **Supply Voltage Range:** 1.6V to 5.5V
- **Timekeeping Current:** 400nA (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Clock Accuracy:** ±2ppm (±0.1728 seconds/day) from 0°C to +40°C
- **Battery Backup:** Supports external battery or supercapacitor
- **Alarms:** Two programmable time-of-day alarms
- **Oscillator Compensation:** Automatic digital trimming
- **Leap Year Compensation:** Valid up to 2100
### **Descriptions:**
The MAX313CUE is a low-power, I²C-compatible real-time clock with an integrated temperature-compensated crystal oscillator (TCXO). It provides accurate timekeeping with minimal power consumption, making it suitable for battery-powered applications. The device includes a built-in power-fail detection circuit and automatic switchover to backup power.
### **Features:**
- **Ultra-Low Power Consumption:** 400nA timekeeping current extends battery life.
- **Wide Voltage Range:** Operates from 1.6V to 5.5V.
- **High Accuracy:** ±2ppm timekeeping accuracy over the industrial temperature range.
- **I²C Interface:** Supports standard (100kHz) and fast (400kHz) modes.
- **Battery Backup Support:** Seamless switchover to backup power.
- **Two Time-of-Day Alarms:** Configurable interrupts for event scheduling.
- **Digital Frequency Output:** Programmable square-wave output (1Hz to 32.768kHz).
- **Power-Fail Indicator:** Monitors VCC and signals when below threshold.
- **Industrial Temperature Range:** -40°C to +85°C operation.
This information is based on the manufacturer's datasheet and technical documentation.
