11AA020T-I/TT Microchip Integrated Circuit (SOT23 (3-Pin)) In Stock
Microchip 11AA020T-I/TT is a 2Kbit (256x8) single-wire serial EEPROM operating at 1.8V to 5.5V with up to 1MHz clock frequency. Features 200-year data retention and 1 million write/erase cycles. Available in compact SOT-23-3 package from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- 11AA020T-I/TT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1819(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
- Ultra-low power single-wire (UNI/O) serial interface supporting up to 1MHz clock frequency
- Wide voltage operation from 1.8V to 5.5V enabling battery-powered and low-voltage designs
- Industry-leading 200-year data retention with 1 million write/erase cycle endurance
- Tiny SOT-23-3 package ideal for space-constrained portable and wearable applications
Applications
The 11AA020T-I/TT is well-suited for storing configuration data, calibration values, and user preferences in embedded systems requiring minimal I/O pins. Its single-wire interface makes it ideal for compact consumer electronics, medical wearables, and IoT sensor nodes where PCB space and power consumption are critical. It is also used in industrial automation for non-volatile parameter storage in microcontroller-based control systems.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-3 |
| Factory Lead Time | 5Weeks |
| 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 | 2048bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 256words |
| Number of Words Code | 256 |
| Operating Mode | SYNCHRONOUS |
| Organization | 256X8 |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 11AA020T-I/TT:
Microchip Technology Inc 2.5V SINGLE WIRE SEEPROM WITH 2K BITS OF MEMORY & DEVICE ADDRESS A0H
Frequently Asked Questions
What is the memory capacity and organization of the 11AA020T-I/TT?
The 11AA020T-I/TT provides 2Kbit of EEPROM memory organized as 256 bytes (256x8 bits). It communicates over a single-wire UNI/O serial interface at up to 1MHz, making it ideal for applications where minimizing I/O pin count is essential.
What supply voltage range does the 11AA020T-I/TT support?
The 11AA020T-I/TT operates over a wide supply voltage range of 1.8V to 5.5V, allowing it to interface directly with both 3.3V and 5V microcontrollers as well as low-voltage battery-powered systems without additional level-shifting circuitry.
How many write cycles does the 11AA020T-I/TT support and what is its data retention?
The 11AA020T-I/TT is rated for 1 million (1,000,000) write/erase cycles per byte location, and offers a minimum data retention time of 200 years. These specifications make it reliable for applications requiring frequent updates or long-term storage.
What package does the 11AA020T-I/TT come in and what are its dimensions?
The 11AA020T-I/TT is packaged in the SOT-23-3 (3-pin small-outline transistor) surface-mount package, which is extremely compact and suitable for high-density PCB designs in wearables, portable electronics, and space-constrained embedded applications.
Is the 11AA020T-I/TT RoHS compliant?
Yes, the 11AA020T-I/TT is RoHS compliant and lead-free, as indicated by its JESD-609 Code e3. The 'T' suffix in the part number denotes tape-and-reel packaging suitable for automated SMT assembly processes.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.8800 | $0.88 |
| 100+ | $0.2400 | $24.00 |
| 250+ | $0.2239 | $55.97 |
| 500+ | $0.1959 | $97.95 |
| 1000+ | $0.1819 | $181.90 |
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