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25C640 Datasheet - MicrochipTechnology

25C640 - 64K SPI Bus Serial EEPROM

The Microchip Technology Inc.

25AA640/25LC640/ 25C640 (25xx640 *) is a 64K bit 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 (

25C640 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: 5ms max.

* Self-timed ERASE and WRITE cycles

* Block write protect

25C640_MicrochipTechnology.pdf

Preview of 25C640 PDF
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Datasheet Details

Part number:

25C640

Manufacturer:

Microchip ↗Technology

File Size:

196.85 KB

Description:

64k spi bus serial eeprom.

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