Manufacturer Part #
93LC66T-I/SN
93LC66 Series 4 Kbit (512 x 8 / 256 x 16) 5.5 V Microwire Serial EEPROM - SOIC-8
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| Mfr. Name: | Microchip | ||||||||||
| Standard Pkg: | Product Variant Information section Available PackagingPackage Qty:3300 per Std. Mfr. Pkg Package Style:SOIC-8 Mounting Method:Surface Mount | ||||||||||
| Date Code: | |||||||||||
Microchip 93LC66T-I/SN - Product Specification
Shipping Information:
ECCN:
PCN Information:
*** Update for PCN 115312 ***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.Estimated First Ship Date:September 03, 2025 (date code: 2536)Revision History:July 22, 2025: Issued final notification.August 15, 2025: 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, ATECC608A-MAHVM-T, ATECC508A-MAHPH-S, ATECC508A-MAHUW-T, ATECC608B MAH5O-T, ATECC508A-MAHKN-T, ATECC608B-MAHAF-S, ATECC508A-MAHKN-S, ATECC508A-MAH1A-T, ATECC608A-MAH4K-T, ATECC608A-MAH3P-T, ATECC608A MAH3Q-S, ATECC608A-MAH4W-T, ATECC608A-MAHAC-S, ATECC608A-MAHD3-S, ATECC608A-MAHGA-T, ATECC608A-MAHGX-T, ATECC508A-MAH2E-T, ATECC608A MAH2B-T, ATECC608A-MAH2G-S, ATECC608A-MAHT2-B, ATECC508A-MAH1C-S, ATECC508A-MAH1Q-S, ATECC508A-MAH1Q-T, ATECC608A-MAH1G-S, ATECC608A MAH1G-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.September 18, 2025: Re-issued the final notification to add PFAS Elimination and Die Attach Explanation file and updated the affected CPN list to remove ATMEGA8535L-8JU, AT89LP6440-20JU, X34070T-H/ST, LX34050QPW-TR, LX3302AQPW-TR-EASY, LX3302AQPW-TR-C01, LX34311T-H/ST, LX34070AT-H/ST, LX34070-H/ST, LX34050QPW, LX3302AQPW-EASY, LX34070T-H/STVAO, LX3302AQPW-TR, LX34050QPW-TR-VAO, LX3302AQPW-TR-GM, LX34311T-H/STVAO, LX34070AT-H/STVAO, LX34070-H/STVAO, LX3302AQPW and LX34050QPW-VAO.
*****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)
Description of Change: Qualification of Microchip Technology Gresham ? Fab 4 (GRTM) as a new fabrication location for the selected 24AA00xx, 24AA65, 24C00, 24C65, 24LC00, 24LC21xx, 24LC22A, 24LC65, 24LCS21A, 24LCS22A, 25AA040, 25AA080, 25AA160, 25C040, 25C080, 25C160, 25LC040, 25LC080, 25LC160, 93AA46, 93AA56, 93AA66, 93AA76, 93AA86, 93C46B, 93C56, 93C66xx, 93C76, 93C86, 93LC46xx, 93LC56, 93LC66xx, 93LC76 and 93LC86 device families of 77k technology available in various packages.Reason for Change: To improve manufacturability and on time delivery performance by qualifying a new fabrication location (GRTM - FAB 4), which is a Microchip-owned facility that offers significant expansion potential to better meet future client demand.
Part Status:
Microchip 93LC66T-I/SN - Technical Attributes
| Memory Density: | 4kb |
| Memory Organization: | 512 x 8 / 256 x 16 |
| Supply Voltage-Nom: | 2.5V to 5.5V |
| Clock Frequency-Max: | 2MHz |
| Write Cycle Time-Max (tWC): | 10ms |
| Package Style: | SOIC-8 |
| Mounting Method: | Surface Mount |
Features & Applications
The 93LC66T-I/SN is a 4 Kbit microwire low voltage serial EEPROM; available in SOIC-8 package.
This device memory is configured as x8 or x16 bits depending on the external logic of levels of the ORG pin. The advanced CMOS technology makes this device ideal for low power, non-volatile memory application.
Features:
- Single supply with programming operation down to 2.5 V
- Low-power CMOS technology
- 100 μA typical active read current at 2.5 V
- 3 μA typical standby current at 2.5 V
- ORG pin selectable memory configuration
- 128 x 8- or 64 x 16-bit organization (93LC46)
- 256 x 8- or 128 x 16-bit organization (93LC56)
- 512 x 8 or 256 x 16 bit organization (93LC66)
- Self-timed erase and write cycles (including auto-erase)
- Automatic ERAL before WRAL
- Power on/off data protection circuitry
- Industry standard 3-wire serial I/O
- Device status signal during erase/write cycles
- Sequential read function
- 1,000,000 E/W cycles ensured
- Data retention > 200 years
- 8-pin PDIP/SOIC (SOIC in JEDEC standards)
- Temperature ranges supported:
- Industrial (I) -40°C to +85°C
Available Packaging
Package Qty:
3300 per Std. Mfr. Pkg
Package Style:
SOIC-8
Mounting Method:
Surface Mount