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24AA02E48
2K I2CTM Serial EEPROM with EUI-48TM Node Identity
Device Selection Table
Part Number 24AA02E48 Note 1: VCC Range 1.7-5.5V Max. Clock Frequency 400 kHz(1) Temp. Ranges I
Description:
The Microchip Technology Inc. 24AA02E48 is a 2 Kbit Electrically Erasable PROM. The device is organized as two blocks of 128 x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.7V, with maximum standby and active currents of only 1 A and 1 mA, respectively. The 24AA02E48 also has a page write capability for up to 8 bytes of data. The 24AA02E48 is available in the standard 8-pin SOIC and 5-lead SOT-23 packages.
100 kHz for VCC <2.5V
Features:
* Pre-programmed Globally Unique, 48-bit Node Address * Compatible with EUI-48TM and EUI-64TM * Single Supply with Operation Down to 1.7V * Low-Power CMOS Technology: - Read current 1 mA, max. - Standby current 1 A, max. * 2-Wire Serial Interface, I2CTM Compatible * Schmitt Trigger Inputs for Noise Suppression * Output Slope Control to Eliminate Ground Bounce * 100 kHz and 400 kHz Clock Compatibility * Page Write Time 3 ms, typical * Self-Timed Erase/Write Cycle * 8-Byte Page Write Buffer * ESD Protection >4,000V * More than 1 Million Erase/Write Cycles * Data Retention >200 Years * Factory Programming Available * Packages include 8-lead SOIC and 5-lead SOT-23 * Pb-free and RoHS Compliant * Temperature Ranges: - Industrial (I): -40C to +85C
Package Types
SOT-23 A0 A1 Vss SDA Note: 2 A2 3 4 Vcc VSS 1 2 3 4 SOIC 8 7 6 5 VCC NC SCL SDA
SCL
1
5
NC
Pins A0, A1 and A2 are not used by the 24AA02E48 (no internal connections).
Block Diagram
HV Generator
I/O Control Logic
Memory Control Logic
XDEC
EEPROM Array Page Latches
I/O
SCL
YDEC
SDA
Note:
This document is supplemented by the "24AA02 Data Sheet" (DS21709). See Section 2.0 "Functional Description".
VCC VSS
Sense Amp. R/W Control
(c) 2009 Microchip Technology Inc.
DS22124B-page 1
24AA02E48
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings ()
VCC.............................................................................................................................................................................6.5V All inputs and outputs w.r.t. VSS ......................................................................................................... -0.3V to VCC +1.0V Storage temperature ...............................................................................................................................-65C to +150C Ambient temperature with power applied ..................................................................................................-40C to +85C ESD protection on all pins ...................................................................................................................................................... 4 kV NOTICE: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
TABLE 1-1:
DC CHARACTERISTICS
Industrial (I): Min.
--
DC CHARACTERISTICS Param. No. D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 Sym. VIH -- VIL VHYS VOL ILI ILO CIN, COUT ICC read ICCS Standby Current Characteristic WP, SCL and SDA pins High-level Input Voltage Low-level Input Voltage Hysteresis of Schmitt Trigger inputs Low-level Output Voltage Input Leakage Current Output Leakage Current Pin Capacitance (all inputs/outputs)
TA = -40C to +85C, VCC = +1.7V to +5.5V Typ. -- -- -- -- -- -- -- -- 0.1 0.05 0.01 Max. -- -- 0.3 VCC -- 0.40 1 1 10 3 1 1 Units -- V V V V A A pF mA mA -- -- -- (Note) IOL = 3.0 mA, VCC = 2.5V VIN = VSS or VCC VOUT = VSS or VCC VCC = 5.0V (Note) TA = 25C, FCLK = 1 MHz VCC = 5.5V, SCL = 400 kHz -- Industrial SDA = SCL = VCC WP = VSS Conditions
0.7 VCC -- 0.05 VCC -- -- -- -- -- -- --
ICC write Operating Current
Note:
This parameter is periodically sampled and not 100% tested.
DS22124B-page 2
(c) 2009 Microchip Technology Inc.
24AA02E48
TABLE 1-2: AC CHARACTERISTICS
Industrial (I): Min. -- -- 600 4000 1300 4700 -- -- -- 600 4000 600 4700 0 100 250 600 4000 -- -- 1300 4700 Typ. -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- TA = -40C to +85C, VCC = +1.7V to +5.5V Max. 400 100 -- -- -- -- 300 1000 300 -- -- -- -- -- -- -- -- -- 900 3500 -- -- Units kHz ns ns ns ns ns ns ns ns ns ns ns Conditions 2.5V VCC 5.5V 1.7V VCC < 2.5V 2.5V VCC 5.5V 1.7V VCC < 2.5V 2.5V VCC 5.5V 1.7V VCC < 2.5V 2.5V VCC 5.5V (Note 1) 1.7V VCC < 2.5V (Note 1) (Note 1) 2.5V VCC 5.5V 1.7V VCC < 2.5V 2.5V VCC 5.5V 1.7V VCC < 2.5V (Note 2) 2.5V VCC 5.5V 1.7V VCC < 2.5V 2.5V VCC 5.5V 1.7V VCC < 2.5V 2.5V VCC 5.5V 1.7V VCC < 2.5V 2.5V VCC 5.5V 1.7V VCC < 2.5V AC CHARACTERISTICS Param. No. 1 2 3 4 5 6 7 8 9 10 11 12 Sym. FCLK
THIGH
Characteristic Clock frequency Clock high time Clock low time SDA and SCL rise time (Note 1) SDA and SCL fall time Start condition hold time Start condition setup time Data input hold time Data input setup time Stop condition setup time Output valid from clock (Note 2) Bus free time: Time the bus must be free before a new transmission can start Output fall time from VIH minimum to VIL maximum Input filter spike suppression (SDA and SCL pins) Write cycle time (byte or page) Endurance
TLOW TR TF THD:STA TSU:STA THD:DAT TSU:DAT TSU:STO TAA TBUF
13
TOF
-- -- --
-- -- --
250 250 50
ns
2.5V VCC 5.5V 1.7V VCC < 2.5V (Notes 1 and 3)
14
TSP
ns
15 16 Note 1: 2: 3: 4:
TWC --
-- 1M
-- --
5 --
ms
--
cycles 25C (Note 4)
Not 100% tested. CB = total capacitance of one bus line in pF. As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region (minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions. The combined TSP and VHYS specifications are due to new Schmitt Trigger inputs which provide improved noise spike suppression. This eliminates the need for a TI specification for standard operation. This parameter is not tested but ensured by characterization. For endurance estimates in a specific application, please consult the Total EnduranceTM Model which can be obtained from Microchip's web site at www.microchip.com.
(c) 2009 Microchip Technology Inc.
DS22124B-page 3
24AA02E48
FIGURE 1-1: BUS TIMING DATA
5 3 SCL 7 SDA IN 6 14 11 SDA OUT 12 8 9 10 4
2
FIGURE 1-2:
BUS TIMING START/STOP
D4
SCL 7 SDA 6 10
Start
Stop
DS22124B-page 4
(c) 2009 Microchip Technology Inc.
24AA02E48
2.0 FUNCTIONAL DESCRIPTION
The 24AA02E48 supports a bidirectional, 2-wire bus and data transmission protocol. A device that sends data onto the bus is defined as transmitter, while a device receiving data is defined as a receiver. The bus has to be controlled by a master device which generates the Serial Clock (SCL), controls the bus access and generates the Start and Stop conditions, while the 24AA02E48 works as slave. Both master and slave can operate as transmitter or receiver, but the master device determines which mode is activated. Note: This data sheet documents only the device's features and specifications that are in addition to the features and specifications of the 24AA02 device. For information on the features and specifications shared by the 24AA02E48 and 24AA02 devices, see the "24AA02 Data Sheet" (DS21709).
(c) 2009 Microchip Technology Inc.
DS22124B-page 5
24AA02E48
3.0 PRE-PROGRAMMED EUI-48TM NODE ADDRESS
The 6-byte EUI-48 node address value is stored in array locations 0xFA through 0xFF, as shown in Figure 3-2. The first 3 bytes are the Organizationally Unique Identifier (OUI) assigned to Microchip by the IEEE Registration Authority. The remaining 3 bytes are the Extension Identifier, and are generated by Microchip to ensure a globally-unique, 48-bit value.
The 24AA02E48 is programmed at the factory with a globally unique, EUI-48TM and EUI-64TM compatible node address stored in the upper half of the array and permanently write-protected. The remaining 1,024 bits are available for application use.
3.1
FIGURE 3-1: MEMORY ORGANIZATION
00h Standard EEPROM 80h Write-Protected EUI-48TM Block FFh
EUI-64TM Support
The pre-programmed EUI-48 node address can easily be encapsulated at the application level to form a globally unique, 64-bit node address for systems utilizing the EUI-64 standard. This is done by adding 0xFFFE between the OUI and the Extension Identifier, as shown below.
FIGURE 3-2:
EUI-48 NODE ADDRESS PHYSICAL MEMORY MAP EXAMPLE
Description
24-bit Organizationally Unique Identifier 00h FAh 04h A3h 12h
24-bit Extension Identifier 34h 56h FFh
Data Array Address
Corresponding EUI-48TM Node Address: 00-04-A3-12-34-56 Corresponding EUI-64TM Node Address: 00-04-A3-FF-FE-12-34-56
4.0
WRITE PROTECTION
The upper half of the array (80h-FFh) is permanently write-protected. Write operations to this address range are inhibited. Read operations are not affected. The remaining half of the array (00h-7Fh) can be written to and read from normally.
DS22124B-page 6
(c) 2009 Microchip Technology Inc.
24AA02E48
5.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 5-1.
TABLE 5-1:
Name A0 A1 A2 VSS SDA SCL NC VCC
PIN FUNCTION TABLE
SOIC 1 2 3 4 5 6 7 8 SOT23 -- -- -- 2 3 1 5 4 Not Connected Not Connected Not Connected Ground Serial Address/Data I/O Serial Clock Not Connected +1.7V to 5.5V Power Supply Description
5.1
Serial Address/Data Input/Output (SDA)
SDA is a bidirectional pin used to transfer addresses and data into and out of the device. Since it is an opendrain terminal, the SDA bus requires a pull-up resistor to VCC (typical 10 k for 100 kHz, 2 k for 400 kHz). For normal data transfer, SDA is allowed to change only during SCL low. Changes during SCL high are reserved for indicating Start and Stop conditions.
5.2
Serial Clock (SCL)
The SCL input is used to synchronize the data transfer to and from the device.
5.3
A0, A1, A2
These A0, A1 and A2 pins are not used by the 24AA02E48. They may be left floating or tied to either VSS or VCC.
(c) 2009 Microchip Technology Inc.
DS22124B-page 7
24AA02E48
6.0
6.1
PACKAGING INFORMATION
Package Marking Information
8-Lead SOIC (3.90 mm)
XXXXXXXT XXXXYYWW NNN
Example: 24A2E48I SN e3 0827 13F
5-Lead SOT-23
Example:
XXNN
2K3F
1st Line Marking Code Part Number SOT-23 I Temp. 24AA02E48 Note: 2KNN NN = Alphanumeric traceability code
Legend: XX...X T Y YY WW NNN
e3
Note:
Part number or part number code Temperature (I, E) Year code (last digit of calendar year) Year code (last 2 digits of calendar year) Week code (week of January 1 is week `01') Alphanumeric traceability code (2 characters for small packages) Pb-free JEDEC designator for Matte Tin (Sn)
For very small packages with no room for the Pb-free JEDEC designator e3 , the marking will only appear on the outer carton or reel label. In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information.
Note:
Note:
Please visit www.microchip.com/Pbfree for the latest information on Pb-free conversion.
*Standard OTP marking consists of Microchip part number, year code, week code, and traceability code.
DS22124B-page 8
(c) 2009 Microchip Technology Inc.
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DS22124B-page 9
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DS22124B-page 10
(c) 2009 Microchip Technology Inc.
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(c) 2009 Microchip Technology Inc.
DS22124B-page 11
24AA02E48
APPENDIX A: REVISION HISTORY
Revision A (12/08)
Original release of this document.
Revision B (01/09)
Removed preliminary status.
DS22124B-page 12
(c) 2009 Microchip Technology Inc.
24AA02E48
THE MICROCHIP WEB SITE
Microchip provides online support via our WWW site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site 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 SUPPORT
Users of Microchip products can receive assistance through several channels: * * * * * Distributor or Representative Local Sales Office Field Application Engineer (FAE) Technical Support Development Systems Information Line
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 web site at: http://support.microchip.com
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 web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions.
(c) 2009 Microchip Technology Inc.
DS22124B-page 13
24AA02E48
READER RESPONSE
It is our intention to provide you with the best documentation possible to ensure successful use of your Microchip product. If you wish to provide your comments on organization, clarity, subject matter, and ways in which our documentation can better serve you, please FAX your comments to the Technical Publications Manager at (480) 792-4150. Please list the following information, and use this outline to provide us with your comments about this document. To: RE: Technical Publications Manager Reader Response Total Pages Sent ________
From: Name Company Address City / State / ZIP / Country Telephone: (_______) _________ - _________ Application (optional): Would you like a reply? Device: 24AA02E48 Questions: 1. What are the best features of this document? Y N Literature Number: DS22124B FAX: (______) _________ - _________
2. How does this document meet your hardware and software development needs?
3. Do you find the organization of this document easy to follow? If not, why?
4. What additions to the document do you think would enhance the structure and subject?
5. What deletions from the document could be made without affecting the overall usefulness?
6. Is there any incorrect or misleading information (what and where)?
7. How would you improve this document?
DS22124B-page 14
(c) 2009 Microchip Technology Inc.
24AA02E48
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO. Device
X
/XX
Examples:
a) b)
Temperature Package Range
24AA02E48: = 1.7V, 2 Kbit I2C Serial EEPROM with EUI-48TM Node Identity 1.7V, 2 Kbit I2C Serial EEPROM with EUI-48TM Node Identity (Tape and Reel)
Device:
24AA02E48-I/SN: Industrial Temperature, 1.7V, SOIC package 24AA02E48T-I/OT: Industrial Temperature, 1.7V, SOT-23 package, tape and reel
24AA02E48T: =
Temperature I Range: Package: SN OT
=
-40C to +85C
= =
Plastic SOIC (3.90 mm body), 8-lead SOT-23, 5-lead (Tape and Reel only)
(c) 2009 Microchip Technology Inc.
DS22124B-page15
24AA02E48
NOTES:
DS22124B-page 16
(c) 2009 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices: * * Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable."
*
* *
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights.
Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, rfPIC, SmartShunt and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Application Maestro, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, In-Circuit Serial Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, mTouch, PICkit, PICDEM, PICDEM.net, PICtail, PIC32 logo, PowerCal, PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. (c) 2009, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper.
Microchip received ISO/TS-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company's quality system processes and procedures are for its PIC(R) MCUs and dsPIC(R) DSCs, KEELOQ(R) code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001:2000 certified.
(c) 2009 Microchip Technology Inc.
DS22124B-page 17
WORLDWIDE SALES AND SERVICE
AMERICAS
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India - Bangalore Tel: 91-80-3090-4444 Fax: 91-80-3090-4080 India - New Delhi Tel: 91-11-4160-8631 Fax: 91-11-4160-8632 India - Pune Tel: 91-20-2566-1512 Fax: 91-20-2566-1513 Japan - Yokohama Tel: 81-45-471- 6166 Fax: 81-45-471-6122 Korea - Daegu Tel: 82-53-744-4301 Fax: 82-53-744-4302 Korea - Seoul Tel: 82-2-554-7200 Fax: 82-2-558-5932 or 82-2-558-5934 Malaysia - Kuala Lumpur Tel: 60-3-6201-9857 Fax: 60-3-6201-9859 Malaysia - Penang Tel: 60-4-227-8870 Fax: 60-4-227-4068 Philippines - Manila Tel: 63-2-634-9065 Fax: 63-2-634-9069 Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-572-9526 Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350
EUROPE
Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79 Germany - Munich Tel: 49-89-627-144-0 Fax: 49-89-627-144-44 Italy - Milan Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands - Drunen Tel: 31-416-690399 Fax: 31-416-690340 Spain - Madrid Tel: 34-91-708-08-90 Fax: 34-91-708-08-91 UK - Wokingham Tel: 44-118-921-5869 Fax: 44-118-921-5820
01/16/09
DS22124B-page 18
(c) 2009 Microchip Technology Inc.

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