Product Model

AT25640BSSHLB

Introduction

EEPROM Serial-SPI 64K-bit 8K x 8 2.5V/3.3V/5V 8-Pin SOIC N T/R

Brand and manufacturer

Micrel / Microchip Technology

Features

64K (8K x 8) SPI interface EEPROM

5V to 5.5V supply voltage

20 MHz clock rate (5V)

Self-timed write cycle with auto-clear

Write protect features for data security

Sequential read function

Low-power CMOS technology

Product performance

High-speed write cycle: 5 ms max

Endurance: 1 million write cycles per byte

Data retention: over 100 years

Technical specifications

Density: 64K bits

Number of Words: 8,000 words

Bits per Word: 8 bits

Bus Type: Serial SPI

Maximum Clock Frequency: 20 MHz

Write Cycle Time - Word, Page: 5 ms

Operating Temperature: -40°C to +85°C

Dimensions, shape, and packaging

Package/Case: 8-SOIC

Packaging: Tape and Reel (T/R)

Device Size: 8 mm x 3.9 mm

Quality and reliability

Industrial temperature range

High reliability with over 1 million write cycles and data retention of over 100 years

Product advantages

Simple interface for easy integration

Robust write protection features to safeguard data

Low power consumption suitable for battery-operated devices

Product competitiveness

Competitive pricing for bulk quantities

Trusted manufacturer with industry-standard compliance

Compatibility

Compatible with most MCUs and processors that support SPI interface

Standard certification and compliance

RoHS compliant

Green Product (Bromine & Antimony free)

Lifespan and sustainability

Reliable long-term data retention

Built for sustained performance over a large number of cycles

Actual application fields

Automotive electronics

Industrial control systems

Medical devices

Telecommunication equipment

Consumer electronics

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