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25AA640 Dataheets PDF



Part Number 25AA640
Manufacturers MicrochipTechnology
Logo MicrochipTechnology
Description 64K SPI Bus Serial EEPROM
Datasheet 25AA640 Datasheet25AA640 Datasheet (PDF)

25AA640/25LC640 64K SPI™ Bus Serial EEPROM Device Selection Table Part Number 25AA640 25LC640 25LC640 VCC Range 1.8-5.5V 2.5-5.5V 4.5-5.5V Max Clock Frequency 1 MHz 2 MHz 3/2.5 MHz Temp Ranges I I I, E Features • 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 byte page • Write cycle time: 5 ms max. • Self-timed ERASE and WRITE cycles • Block write protection - Protect none, 1/4, 1/2 o.

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