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PCF8583T
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  • PCF8583T
ID: 32122

Clock and calendar with 240 x 8-bit RAM, SO8, NXP, RoHS

Retired
 

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PCF8583T (SO8)
The PCF8583 is a clock and calendar chip, based on a 2048 bit static CMOS1 RAM organized as 256 words by 8 bits. Addresses and data are transferred via the two-line bidirectional I2C-bus. The built-in word address register is incremented. Address pin A0 is used for busses without additional hardware.
The built-in 32.768 kHz oscillator circuit and the first 8 bytes of the RAM, calendar, and counter functions. The next 8 bytes can be programmed as alarm registers or used as free RAM space. The remaining 240 bytes are free RAM locations.

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32122

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