25AA640X-I/ST Microchip Integrated Circuit (Small Outline Packages) In Stock

EEPROM Memory IC 64Kbit SPI 1 MHz 8-TSSOP,1.8V ~ 5.5V,-40°C ~ 85°C (TA)

NOT RECOMMENDEDIntegrated CircuitVerified Jun 2026
Package / Visual Reference
25AA640X-I/STSmall Outline Packages
Quick Facts
Manufacturer
Microchip
Package
Small Outline Packages
Pin Count
8
Lifecycle
NOT RECOMMENDED
Category
Integrated Circuit
Price
From $0.7142(MOQ 100)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Pbfree CodeYes
Manufacturer Package CodeTSSOP-8
Factory Lead Time6Weeks
Date Of Intro1997-09-01
YTEOL3
Clock Frequency-Max (fCLK)1MHz
Data Retention Time-Min200
Endurance1000000 Write/Erase Cycles
JESD-30 CodeR-PDSO-G8
JESD-609 Codee3
Memory Density65536bit
Memory IC TypeEEPROM
Memory Width8
Number of Functions1
Number of Ports1
Number of Words8192words
Number of Words Code8000
Operating ModeSYNCHRONOUS
Organization8KX8
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSSOP8,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/SerialSERIAL
Programming Voltage2.5V
Qualification StatusNot Qualified
Screening LevelTS 16949
Serial Bus TypeSPI
Standby Current-Max0.000005A
Supply Current-Max0.005mA
Supply Voltage-Max (Vsup)5.5V
Supply Voltage-Min (Vsup)1.8V
Supply Voltage-Nom (Vsup)2.5V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Write Cycle Time-Max (tWC)5ms
Write ProtectionHARDWARE
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.32.00.51
Country of OriginPhilippines, Thailand

Datasheet

25AA640X-I/ST Datasheet Download

Official datasheet from Microchip

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for 25AA640X-I/ST:

25AA640A-I/MSMicrochip Technology Inc

EEPROM, 8KX8, Serial, CMOS, PDSO8

View Part →

Frequently Asked Questions

What is the price of 25AA640X-I/ST?

25AA640X-I/ST is priced from $0.7142 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is 25AA640X-I/ST in stock?

25AA640X-I/ST is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy 25AA640X-I/ST?

You can buy 25AA640X-I/ST from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for 25AA640X-I/ST from Microchip.

What is the datasheet for 25AA640X-I/ST?

The official 25AA640X-I/ST datasheet from Microchip contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does 25AA640X-I/ST come in?

25AA640X-I/ST is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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About Microchip

Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
From $0.7142
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
100+$0.8900$89.00
1000+$0.8500$850.00
2000+$0.7240$1448.08
4000+$0.7180$2871.84
8000+$0.7142$5713.92
pcs
Unit price: $0.8900 · Total: $89.00

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany