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See Technical Specifications

25AA640A-I/ST

EEPROM Serial-SPI 64K-bit 8K x 8 2.5V/3.3V/5V Automotive 8-Pin TSSOP Tube

Manufacturer: Microchip Technology, Inc
Mfr.Part #: 25AA640A-I/ST
Datasheet: 25AA640A-I/ST Datasheet (PDF)
Package/Case: TSSOP
Product Type: Memory
RoHS:
Lifecycle: Active

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25AA640A-I/ST General Description

The Microchip 25AA640A is a 64 Kb Serial EEPROM utilizing theindustry standard Serial Peripheral Interface (SPI) compatible serial bus. Thedevice is organized as one block of 8192 x 8-bit and is optimized for use in consumer electronics, industrial, medical,and automotive applications where reliable and dependable nonvolatile memorystorage is essential. Software write protection allows the user to protect ¼,½, or the entire memory array. A hardware write protect pin is also provided,which additionally protects against inadvertent writes to the status register.The EEPROM is available in a variety of space-saving packaging options.

Key Features

8192 x 8-bit (64 Kbit)
Supports SPI modes 0 and 3
Up to 10 MHz clock frequency
Self-Timed Erase and Write Cycles (5 ms max.)
Read current: 5 mA (Max) at 10 MHz
Write current: 5 mA (Max) at 10 MHz
Standby current: 1 μA (Max) at 5.5 V
Block Write Protection: Protect 1/4, 1/2 or Entire Array
More than 1 million erase/write cycles
Data retention > 200 years
Industrial (I): -40°C to 85°C
Extended (E): -40°C to +125°C
Automotive AECQ-100 Qualified1
Factory Programming Available
Available in standard packages including 8-lead PDIP and SOIC, and advanced packages including 8-lead MSOP, 8-lead TSSOP and 8-lead 2x3 TDFN

Microchip Technology, Inc Original Stock

Specifications

Category	Integrated Circuits (ICs)MemoryMemory	Mfr	Microchip Technology
Series	-	Package	Tube
Product Status	Active	Memory Type	Non-Volatile
Memory Format	EEPROM	Technology	EEPROM
Memory Size	64Kbit	Memory Organization	8K x 8
Memory Interface	SPI	Clock Frequency	10 MHz
Write Cycle Time - Word, Page	5ms	Voltage - Supply	1.8V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)	Mounting Type	Surface Mount
Package / Case	8-TSSOP (0.173", 4.40mm Width)	Supplier Device Package	8-TSSOP
Base Product Number	25AA640

Shipping

Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

DHL
Fedex
UPS
EMS
Registered Air Mail

Payment

We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

Wire Transfer
Paypal
Credit Card
Western Union
Money Gram

Guarantees

Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

ESD
Tape and Reel
Cut Tape
Tube or Tray

Reviews

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Buying Guide

What is the lifespan of 25AA640A-I/ST?
The lifespan of 25AA640A-I/ST depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.
Where can I find the full specification of 25AA640A-I/ST?
You can find it with PDF Datasheet for 25AA640A-I/ST on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.
How to check the quality of 25AA640A-I/ST?
Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.
Can I purchase samples for testing?
Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.
Where can I check the delivery after the order is completed?
Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.
Where to view my order of 25AA640A-I/ST or my history order record?
You could view all of your orders by logging in or registering AVAQ account. Log in or Register an account now.