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Manufacturer Part #
AT93C66B-SSHM-B
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100 per Tube
SOIC-8
Surface Mount
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PCN Information:
Product Category: Crypto Authentication, Crypto Memory, MemoryDescription of Change: Implement new packing materials and packing changes for AT34C02D, AT24C08D, AT24HC02C, AT88SC0104CA, AT88SC1616C, AT88SC0404CA, AT24MAC602, ATSHA204A, ATECC608A, ATECC508A, AT93C66B, ATECC108A, ATECC608C, AT24C16C, AT88SC0808CA, AT25160B, AT25080B, 25CS160, 24LC64, AT24C01C, AT24C04C, AT24C128C, AT24C04D, 24AA16H, AT24C08C, 24AA02H, 24LC04B, 24LC16B, AT93C56B, 24AA04H, 24AA01H, 24LC04BH, 24LC02BH, 24LC01BH, 25AA640A, 25LC640A, AT93C46E, 25CS640, AT24CM01, AT24C256C, 24AA256, AT24C512C, 24AA512, 24LC512, AT24C02C, AT25320B, 24LC256, 24FC256, 24FC512, AT24CM02, AT24C64B, AT24HC04B, AT24MAC402, AT24C16D, 25CSM04, AT93C86A, AT93C46D, AT24C02D and AT24C64D device families available in 8L SOIC and TSSOP (3.90mm and 4.4mm) packages.Reason for Change: To improve manufacturability by implementing new packing materials and packing changes.Estimated First Ship Date: 17 July 2026 (date code: 2629)
Product Category: MemoryDescription of Change: Qualification of MTAI as an additional final test site for AT93C86A-10SU2.7, AT93C86A-10SU-2.7-T, AT93C86A-10SU-1.8-T, AT93C86A-10SU-1.8, AT93C66B-SSHM-T, AT93C56B-SSHM-T, AT93C66B-SSHM-B and AT93C56B-SSHM-B catalog part numbers (CPN) available in 8L SOIC (.150in) package.Pre and Post Summary Changes: See attached SPCN document for more detailsReason for Change: To improve on-time delivery performance by qualifying MTAI as an additional final test site.Estimated First Ship Date: 27 July 2026 (date code: 2631)
Product Category: MemoryDescription of Change: Qualification of MMT as an additional assembly site for AT93C86A-10SU1.8, AT93C86A-10SU-2.7, AT93C86A-10SU-2.7-T, AT93C86A-10SU-1.8-T, AT93C56B-SSHM-T, AT93C66B-SSHM-B, AT93C56B-SSHM-B and AT93C66B-SSHM-T catalog part numbers (CPN) available in 8L SOIC (3.90mm) package.See Pre and Post Summary Changes on the attached SPCN document for more details.Reason for Change: To improve on-time delivery performance by qualifying MMT as an additional assembly site.Estimated First Ship Date: 26 May 2026 (date code: 2622)
Description of Change:Implementation of Inner Box, Reel and MSL Bag Label changes for virtually ALL Microchip products.Reason for Change:To improve productivity by implementing inner box, reel and MSL bag label changes.
Microchip-has-released-a-new-Datasheet-for-the-AT93C56B/AT93C66B---2/4-Kbit-Microwire-Serial-EEPROM,-Industrial-Grade-of-devices.Description of Change:Removed 8-pad XDFN product offering. Replaced "Master" terminology with "Host".Reason for Change: To Improve Productivity
Microchip has released a new Datasheet for the AT93C56B/AT93C66B - 2/4-Kbit Microwire Serial EEPROM, Industrial Grade of devices.Notification Status: FinalDescription of Change:Removed 8-pad XDFN product offering. Replaced "Master" terminology with "Host".Impacts to Data Sheet: NoneReason for Change: To Improve Productivity
Part Status:
Inventory held at our manufacturer's warehouse. Subject to availability and transit time.