11AA040T-I/TT Microchip Integrated Circuit (SOT23 (3-Pin)) In Stock
The 11AA040T-I/TT is a 4Kbit (512x8) single-wire serial EEPROM from Microchip operating at 1.8V in a compact SOT-23-3 package. It features 1 MHz clock speed, 1 million write/erase cycles, and 200-year data retention. Available worldwide with competitive pricing and fast shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- 11AA040T-I/TT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2300(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 11AA040T-I/TT?
- 4Kbit (512x8) single-wire serial EEPROM with 1 MHz maximum clock frequency for simple, low-pin-count interfaces
- Exceptional endurance of 1,000,000 write/erase cycles with a minimum data retention of 200 years
- Ultra-compact SOT-23-3 package (3-pin) enabling minimal PCB footprint in space-constrained designs
- 1.8V operation with RoHS-compliant Pb-free packaging, ideal for low-power and portable applications
What is 11AA040T-I/TT used for?
The 11AA040T-I/TT is ideal for storing configuration data, calibration parameters, and small datasets in space-constrained embedded systems such as IoT sensors, wearables, and medical devices. Its single-wire interface minimizes GPIO usage, making it well-suited for microcontroller designs with limited I/O resources. The 1.8V operation and SOT-23-3 package make it a natural fit for battery-powered portable electronics requiring reliable, low-power non-volatile memory.
What are the specifications of 11AA040T-I/TT?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-3 |
| Factory Lead Time | 8Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 1MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 |
| Memory Density | 4096bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 512words |
| Number of Words Code | 512 |
| Operating Mode | SYNCHRONOUS |
| Organization | 512X8 |
| Output Characteristics | TOTEM POLE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Ready/Busy | NO |
| Reverse Pinout | NO |
| Screening Level | AEC-Q100 |
| Serial Bus Type | 1-WIRE |
| Standby Current-Max | 0.000005A |
| Supply Current-Max | 0.005mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.8V |
| Supply Voltage-Nom (Vsup) | 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 | NO |
| Write Cycle Time-Max (tWC) | 10ms |
| Write Protection | SOFTWARE |
| Package | SOT23 (3-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 |
Where can I find the 11AA040T-I/TT datasheet?
11AA040T-I/TT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 11AA040T-I/TT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the memory capacity of the 11AA040T-I/TT?
The 11AA040T-I/TT offers 4Kbit (4096 bits) of memory organized as 512 bytes (512x8). This capacity is suitable for storing configuration data, calibration values, serial numbers, and small lookup tables in embedded applications requiring compact non-volatile storage.
How many write/erase cycles does the 11AA040T-I/TT support?
The 11AA040T-I/TT supports up to 1,000,000 (one million) write/erase cycles, providing excellent endurance for frequently updated data. Combined with a minimum data retention time of 200 years, it ensures long-term reliability in demanding embedded and industrial applications.
What package does the 11AA040T-I/TT use and what are its dimensions?
The 11AA040T-I/TT uses an SOT-23-3 (3-pin Small Outline Transistor) surface-mount package, one of the most compact IC packages available. This tiny footprint is ideal for space-constrained PCB designs in wearables, IoT devices, and portable consumer electronics.
What interface does the 11AA040T-I/TT use for communication?
The 11AA040T-I/TT uses a single-wire serial interface (UNI/O protocol) with a maximum clock frequency of 1 MHz. This minimizes the number of GPIO pins required on the host microcontroller, making it especially useful in pin-limited designs while maintaining reliable data transfer.
Is the 11AA040T-I/TT RoHS compliant?
Yes, the 11AA040T-I/TT is RoHS compliant and Pb-free, as confirmed by its Pbfree Code: Yes and JESD-609 Code: e3 designation. It meets international environmental regulations for hazardous substances, suitable for consumer, industrial, and medical product markets worldwide.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2700 | $0.27 |
| 100+ | $0.2500 | $25.00 |
| 1000+ | $0.2400 | $240.00 |
| 5000+ | $0.2300 | $1150.00 |
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