DS28DG02 Datasheet (Dallas Semiconductor)

DS28DG02, 2kb SPI EEPROM

The DS28DG02 combines 2Kb (256 x 8) EEPROM with 12 PIO lines, a real-time clock (RTC) and calendar with alarm function, a CPU reset monitor, a battery monitor, and a watchdog.

Communication with the device is accomplished with an industrystandard SPI™ interface.

The user EEPROM is organized as four

DS28DG02 Features

* 2Kb (256 x 8) EEPROM Organized in Four 64-Byte Blocks

* Single Byte and Up to 16-Byte EEPROM Write Sequences

* EEPROM Write-Protect Control Pin Protects 1, 2, or All 4 Blocks

* Endurance 200k Cycles per Page at +25°C; 10ms (max) EEPROM Write Cycle

* SPI Serial Interface Support