93AA66BT-I/OT Microchip Integrated Circuit (SOT23 (6-Pin)) In Stock
Microchip 93AA66BT-I/OT is a 4096-bit serial EEPROM with 3 MHz clock frequency and 1 million write/erase cycle endurance. It features a compact SOT-23-6 package with 200-year minimum data retention and RoHS-compliant construction. Available in stock from Microchip with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- 93AA66BT-I/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1306(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4096-bit storage capacity with up to 1,000,000 write/erase cycle endurance for high-reliability data logging
- Compact SOT-23-6 package enables space-efficient PCB designs ideal for portable and miniaturized electronics
- 200-year minimum data retention with 3 MHz maximum clock frequency delivering fast and reliable non-volatile storage
Applications
The 93AA66BT-I/OT is well-suited for applications requiring small, reliable non-volatile memory storage such as embedded system configuration, calibration data retention, and device identification in consumer and industrial electronics. Its compact SOT-23-6 form factor and SPI-compatible interface make it ideal for wearable devices, IoT sensors, and automotive trim storage. The high endurance of one million write cycles supports demanding data logging and firmware parameter storage scenarios.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-6 |
| Factory Lead Time | 23Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 3MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Memory Density | 4096bit |
| Memory IC Type | EEPROM |
| Memory Width | 16 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 256words |
| Number of Words Code | 256 |
| Operating Mode | SYNCHRONOUS |
| Organization | 256X16 |
| Output Characteristics | TOTEM POLE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Ready/Busy | YES |
| Reverse Pinout | NO |
| Screening Level | TS 16949 |
| Serial Bus Type | MICROWIRE |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.002mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.8V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Toggle Bit | YES |
| Write Cycle Time-Max (tWC) | 6ms |
| Write Protection | SOFTWARE |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 93AA66BT-I/OT:
Frequently Asked Questions
What is the storage capacity of the 93AA66BT-I/OT?
The 93AA66BT-I/OT provides 4096 bits of non-volatile EEPROM storage, which is sufficient for configuration data, calibration parameters, and device identification codes in embedded systems. This memory is organized for serial access with a maximum clock frequency of 3 MHz.
How long can the 93AA66BT-I/OT retain data without power?
The 93AA66BT-I/OT guarantees a minimum data retention time of 200 years under specified storage conditions, making it extremely reliable for long-term non-volatile data storage. It also supports up to 1,000,000 write/erase cycles ensuring durability in frequently updated applications.
What package does the 93AA66BT-I/OT use and why is it beneficial?
The 93AA66BT-I/OT is housed in a SOT-23-6 package (JESD-30 code R-PDSO-G6), which is a very compact 6-pin surface-mount package. This small footprint is ideal for space-constrained designs such as wearables, portable medical devices, and miniaturized IoT modules where PCB real estate is at a premium.
Is the 93AA66BT-I/OT RoHS compliant?
Yes, the 93AA66BT-I/OT carries a Pb-free code of Yes and a JESD-609 code of e3, confirming it is RoHS compliant and manufactured without hazardous lead-based materials. This makes it suitable for designs targeting European and global environmental compliance standards.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3600 | $0.36 |
| 10+ | $0.3510 | $3.51 |
| 100+ | $0.2900 | $29.00 |
| 144+ | $0.2520 | $36.29 |
| 250+ | $0.1327 | $33.18 |
| 500+ | $0.1306 | $65.30 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”