25AA640 Datasheet - MicrochipTechnology

64K SPI Bus Serial EEPROM

25AA640 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 protec

25AA640 General Description

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 (SCK) plus separate data in (SI) and data out .

25AA640 Datasheet (232.09 KB)

25AA640 Datasheet Preview — Preview of 25AA640 PDF

Datasheet Details

Part number:

25AA640

Manufacturer:

Microchip ↗Technology

File Size:

232.09 KB

Description:

64k spi bus serial eeprom.
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 Clo.

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25AA640 64K SPI Bus Serial EEPROM MicrochipTechnology

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25AA640 Features

25AA640 General Description

Datasheet Details

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25AA640 Distributor