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The PCF8582C-2 is a floating gate Electrically Erasable Programmable Read OnlyMemory (EEPROM) with 2 kbits (256×8-bit) non-volatile storage. By using aninternal redundant storage code, it is fault tolerant to single bit errors. This featuredramatically increases the reliability compared to conventional EEPROMs. Powerconsumption is low due to the full CMOS technology used. The programming voltageis generated on-chip, using a voltage multiplier.Data bytes are received and transmitted via the serial I2C-bus. Up to eightPCF8582C-2 devices may be connected to the I2C-bus. Chip select is accomplishedby three address inputs (A0, A1 and A2).Timing of the E/W cycle is carried out internally, thus no external components arerequired. Programming Time Control (PTC), Pin 7, must be connected to either VDDor left open-circuit. There is an option of using an external clock for timing the lengthof an E/W cycle.


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