
Manufacturer Part #
24AA256-I/SN
24AA256 Series 256 Kbit (32K X 8) 5.5 V SMT I2C CMOS Serial EEPROM - SOIC-8
Microchip 24AA256-I/SN - Product Specification
Shipping Information:
ECCN:
PCN Information:
*****FPCN114582 UPDATE/MATERIAL CHANGEQualification of QMI519 as a new die attach material and CuPdAu as a new bond wire material for various products available in PLCC, QSOP, SOIC, SOIJ, SSOP, TSSOP, MQFP, TQFP, DFN, QFN, QFN-S, SQFN, TDFN, UDFN, UQFN, VDFN, VQFN, WQFN and TQFP packages assembled at MP3A, MTAI and MMT sites.*Re-issued the final notification to update the qualification report list, which now includes either a link to the qual report or an attached PDF file for each CCB. Updated the affected CPN list to removed EOL'ed CPNS: ATECC608A-MAHLG-T, ATECC608A-MAHVL-T, ATECC608AMAHVM-T, ATECC508A-MAHPH-S, ATECC508A-MAHUW-T, ATECC608B-MAH5O-T, ATECC508AMAHKN-T, ATECC608B-MAHAF-S, ATECC508A-MAHKN-S, ATECC508A-MAH1A-T, ATECC608AMAH4K-T, ATECC608A-MAH3P-T, ATECC608A-MAH3Q-S, ATECC608A-MAH4W-T, ATECC608AMAHAC-S, ATECC608A-MAHD3-S, ATECC608A-MAHGA-T, ATECC608A-MAHGX-T, ATECC508AMAH2E-T, ATECC608A-MAH2B-T, ATECC608A-MAH2G-S, ATECC608A-MAHT2-B, ATECC508AMAH1C-S, ATECC508A MAH1Q-S, ATECC508A-MAH1Q-T, ATECC608A-MAH1G-S, ATECC608AMAH1G-T, ATECC608A-MAH1K-S, ATECC508A-MAHWW-S, ATECC508A-MAHWW-T, ATECC608B-MAHAK-S, ATECC608B-MAHPA-T, ATECC608B-MAHSB-T, ATECC608B-MAHSC-T,ATECC608A MAH2U-T, ATECC608A-MAH2V-S, ATECC608A-MAH2X-S, ATECC608A-MAH2Y-S, ATECC608A-MAH3J-T and ATECC608A-MAH1W-T.
Description of Change:Qualification of QMI519 as a new die attach material and CuPdAu as a new bond wire material for various products available in PLCC, QSOP, SOIC, SOIJ, SSOP, TSSOP, MQFP, TQFP, DFN, QFN, QFN-S, SQFN, TDFN, UDFN, UQFN, VDFN, VQFN, WQFN and TQFP packages assembled at MP3A, MTAI and MMT sites.Reason for Change:To improve manufacturability by qualifying QMI519 as a new die attach to standardize the use of PFAS free material and CuPdAu as a new bond wire material.September 03, 2025 (date code: 2536)
PCN Status:Final NotificationDescription of Change:Qualification of UMC Fab 8D as an additional fabrication site for selected 24FC256, 24AA256 and 24LC256 device families available in 8L DFN-S (6x5x0.9mm), MSOP (3x3mm), PDIP (.300in), SOIC (3.90mm), SOIJ (.208in), TDFN (2x3x0.8mm), TSSOP (4.4mm) packages.Reason for Change:To improve manufacturability by qualifying UMC Fab 8D as an additional fabrication site.Change Implementation Status:In ProgressEstimated First Ship Date:September 19, 2022 (date code: 2239)
Microchip has released a new Datasheet for the 24AA256/24LC256/24FC256 256K I2C Serial EEPROM Data Sheet of devices.Notification Status: FinalDescription of Change: Added 5-Lead SOT-23 package. Updated MSOP, PDIP, SOIC and SOIJ package drawings.Impacts to Data Sheet: NoneChange Implementation Status: CompleteDate Document Changes Effective: 28 Jul 2022
Revision History:February 7, 2022: Issued final notification.April 6, 2022: Re-issuance of PCN to update the affected CPN list. Update the estimated first shipment date on March 30, 2022.Description of Change:Qualification of 3280 die attach material and new lead frame design for selected products available in 8L SOIC package assembled at MMT assembly site.Pre and Post Change Summary: See attachedImpacts to Data Sheet:NoneChange ImpactNoneReason for Change:To improve productivity by qualifying new lead frame design and die attach material.Change Implementation Status:In ProgressEstimated First Ship Date:March 30, 2022 (date code: 2214)Note: Please be advised that after the estimated first ship date customers may receive pre and post change parts.Time Table Summary: See attached
Part Status:
Microchip 24AA256-I/SN - Technical Attributes
Memory Density: | 256kb |
Memory Organization: | 32 K x 8 |
Supply Voltage-Nom: | 1.7V to 5.5V |
Clock Frequency-Max: | 400kHz |
Write Cycle Time-Max (tWC): | 5ms |
Package Style: | SOIC-8 |
Mounting Method: | Surface Mount |
Features & Applications
Available Packaging
Package Qty:
100 per Tube
Package Style:
SOIC-8
Mounting Method:
Surface Mount