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BUY MCP7940N-I/SN https://www.utsource.net/itm/p/1882258.html
Low-Cost I2C? Real-Time Clock/Calendar with SRAM and Battery Switchover
The MCP7940N-I/SN is a Real-Time Clock/Calendar (RTCC) with a built-in Power-Fail detect and battery switchover circuit. It is a low-power, highly accurate, and cost-effective device that is ideal for applications requiring timekeeping functions. Description: The MCP7940N-I/SN is a low-power Real-Time Clock/Calendar (RTCC) with a built-in Power-Fail detect and battery switchover circuit. It features a low-power, highly accurate, and cost-effective design that is ideal for applications requiring timekeeping functions. The device includes an integrated oscillator, a 32kHz output, and a battery switchover circuit. The device also features an alarm system with two programmable alarms and a power-fail detect circuit. Features: Low-power, highly accurate RTCC Built-in Power-Fail detect and battery switchover circuit Integrated oscillator 32kHz output Battery switchover circuit Alarm system with two programmable alarms Power-fail detect circuit Applications: Automotive Industrial Medical Home Appliances Security Systems Wearable Electronics (For reference only)