25C040 Datasheet - MicrochipTechnology

25C040 4K SPI Bus Serial EEPROM

The Microchip Technology Inc. 25AA040/25LC040/ 25C040 (25XX040 *) is a 4 Kbit serial Electrically Erasable PROM. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (.

25C040 Features

* Low-power CMOS technology: - Write current: 3 mA, typical - Read current: 500 μA, typical - Standby current: 500 nA, typical

* 512 x 8-bit organization

* 16 byte page

* Write cycle time: 5 ms max.

* Self-timed Erase and Write cycles

* Block

25C040_MicrochipTechnology.pdf