64k spi bus serial eeprom.
* Low-power CMOS technology - Write current: 3 mA typical - Read current: 500 µA typical - Standby current: 500 nA typical
* 8192 x 8 bit organization
* 32 by.
The Microchip Technology Inc. 25AA640/25LC640 (25XX640*) is a 64K bit Serial Electrically Erasable PROM [EEPROM]. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are a clock input .
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