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1pieces MCP7940N-I/MS MSOP-8
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1pieces MCP7940N-I/P DIP-8
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1pieces MCP7940N-E/MS MSOP-8
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Adopting I ² C communication interface, with standard speed of 100kHz and fast speed of 400kHz. Built in 512 byte SRAM can be used for data storage. Support switching between primary and backup power sources, with backup power maintaining timing and data.
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I2C Clock Frequency up to 400kHz 2-wire Serial Interface, I2C™ Compatible. For communication, the MCP7940N-I/SN uses the I2C™ bus. Using the programmable CLKOUT, frequencies of 32.768, 8.192 and 4.096kHz and 1Hz can be generated from the external crystal.
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