2013-2016 Microchip Technology Inc. DS20005215C-page 25
24AA256UID
THE MICROCHIP WEBSITE
Microchip provides online support via our website at
www.microchip.com. This website is used as a means
to make files and information easily available to
customers. Accessible by using your favorite Internet
browser, the website contains the following information:
Product Support – Data sheets and errata,
application notes and sample programs, design
resources, user’s guides and hardware support
documents, latest software releases and archived
software
General Technical Support – Frequently Asked
Questions (FAQ), technical support requests,
online discussion groups, Microchip consultant
program member listing
Business of Microchip – Product selector and
ordering guides, latest Microchip press releases,
listing of seminars and events, listings of
Microchip sales offices, distributors and factory
representatives
CUSTOMER CHANGE NOTIFICATION
SERVICE
Microchip’s customer notification service helps keep
customers current on Microchip products. Subscribers
will receive e-mail notification whenever there are
changes, updates, revisions or errata related to a
specified product family or development tool of interest.
To register, access the Microchip website at
www.microchip.com. Under “Support”, click on
“Customer Change Notification” and follow the
registration instructions.
CUSTOMER SUPPORT
Users of Microchip products can receive assistance
through several channels:
Distributor or Representative
Local Sales Office
Field Application Engineer (FAE)
Technical Support
Customers should contact their distributor,
representative or Field Application Engineer (FAE) for
support. Local sales offices are also available to help
customers. A listing of sales offices and locations is
included in the back of this document.
Technical support is available through the website
at: http://microchip.com/support
24AA256UID
DS20005215C-page 26 2013-2016 Microchip Technology Inc.
NOTES:
2013-2016 Microchip Technology Inc. DS20005215C-page 27
24AA256UID
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
Device: 24AA256UID = 256 Kbit 1.7V I
2
C Serial EEPROM, with
EUI-48™ and EUI-64
Node Identities
and 32-bit Serial Number
Tape and
Reel Option:
Blank =
T=
Standard packaging (tube or tray)
Tape and Reel(
1
)
Temperature
Range:
I= -40
C to +85
C
Package: P=
SN =
ST =
Plastic DIP (300 mil body), 8-lead
Plastic SOIC (3.90 mm body), 8-lead
Plastic TSSOP (4.4 mm), 8-lead
Examples:
a) 24AA256UID-I/P: Industrial Temp.,
1.7V, PDIP package.
b) 24AA256UIDT-I/SN: Tape and Reel,
Industrial Temp., 1.7V, SOIC package.
c) 24AA256UID-I/ST: Industrial Temp.,
1.7V, TSSOP package.
PART NO.
X /XX
PackageTemperature
Range
Device
[X]
(1)
Tape and Reel
Option
Note1: Tape and Reel identifier only appears
in the catalog part number description.
This identifier is used for ordering
purposes and is not printed on the
device package. Check with your
Microchip Sales Office for package
availability with the Tape and Reel
option.

24AA256UID-I/SN

Mfr. #:
Manufacturer:
Microchip Technology
Description:
EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union