25LC640 - 64K SPI Bus Serial EEPROM

Datasheet Summary

Description

The Mic

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 or all of array.
Built-in write protection - Power on/off data protection circuitry - Write enable latch - Write-protect pin.
Sequential read.

MicrochipTechnology

📥 Download Datasheet

Datasheet Details

Part number	25LC640
Manufacturer	MicrochipTechnology
File Size	232.09 KB
Description	64K SPI Bus Serial EEPROM
Datasheet	25LC640 Datasheet
Additional preview pages of the 25LC640 datasheet.

📁 Similar Datasheet

25LC640A - 64K SPI Bus Serial EEPROM (Microchip)
25LC010A - (25LC0x0A) 1K-4K SPI Serial EEPROM High Temp Family Data Sheet (Microchip Technology)
25LC020A - (25LC0x0A) 1K-4K SPI Serial EEPROM High Temp Family Data Sheet (Microchip Technology)
25LC040A - (25LC0x0A) 1K-4K SPI Serial EEPROM High Temp Family Data Sheet (Microchip Technology)
25LC080 - 8K SPI Bus Serial EEPROM (Microchip Technology)
25LC080A - 8K SPI Bus Serial EEPROM (Microchip)
25LC080B - 8K SPI Bus Serial EEPROM (Microchip)
25LC080C - 8K-256K SPI Serial EEPROM (Microchip)
25LC080D - 8K-256K SPI Serial EEPROM (Microchip)
25LC1024 - 1-Mbit SPI Bus Serial EEPROM (Microchip Technology)

Other Datasheets by MicrochipTechnology

25LC040 - 4K SPI Bus Serial EEPROM
25LC160 - 16K SPI Bus Serial EEPROM

Full PDF Text Transcription

Click to expand full text

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.

Published: Mar 23, 2005 |