Details

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BUY M48T35-Y70PCI https://www.utsource.net/itm/p/12609422.html

Parameter	Description
Part Number	M48T35-Y70PCI
Function	Real-Time Clock (RTC) with Non-Volatile SRAM
Package Type	SOIC-8
Operating Voltage	2.0V to 5.5V
Clock Accuracy	卤200ppm at 25掳C
SRAM Size	512 bits (64 bytes)
Temperature Range	-40掳C to +85掳C
Features	- Battery Backup Input for Continuous Timekeeping - Century Bit Support
Applications	- PCs, Peripherals, Consumer Electronics, Networking Equipment

Instructions:

1. Power Supply Connection: Connect VCC to the power supply and GND to ground. Ensure the voltage is within the operating range of 2.0V to 5.5V.
2. Battery Backup: For continuous timekeeping during power loss, connect a backup battery to the VBAT pin.
3. Time Setting: Use I2C interface commands to set and read the clock data. Refer to the datasheet for specific command codes.
4. Data Storage: The integrated SRAM can be used to store user-defined data. Access this memory using standard I2C read/write protocols.
5. Century Bit Configuration: Configure the century bit as needed to ensure correct date representation beyond the year 2099.
6. Handling Precautions: Handle the device with care to avoid ESD damage. Follow standard anti-static precautions.

For detailed programming instructions and timing diagrams, refer to the official datasheet provided by the manufacturer.

(For reference only)