24AA16T-I/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
Microchip 24AA16T-I/OT is a 16 Kbit (2K x 8) I2C Serial EEPROM operating at 1.8V to 5.5V supply voltage. Features 400 kHz fast-mode I2C interface, 16-byte page write buffer, and SOT-23-5 package for space-constrained designs. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- 24AA16T-I/OT Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.8V to 5.5V wide supply voltage range enables compatibility with low-power and 5V systems
- 400 kHz fast-mode I2C interface with 16-byte page write buffer for efficient data storage
- Ultra-compact SOT-23-5 package ideal for space-constrained portable and IoT applications
- Industrial temperature range -40°C to +85°C for reliable operation in harsh environments
Applications
The 24AA16T-I/OT is well-suited for storing calibration data, configuration parameters, and small data logs in portable consumer electronics and IoT sensor nodes. Its 1.8V operation and tiny SOT-23-5 footprint make it ideal for wearable devices, medical monitors, and battery-powered equipment where board space and power consumption are critical. Industrial control systems also leverage this EEPROM to retain system settings and trim values across power cycles.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Memory IC Type | EEPROM |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Terminal Finish | Matte Tin (Sn) |
| Package | SOT23 (5-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 | Malaysia, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 24AA16T-I/OT:
suggested
Frequently Asked Questions
What supply voltage range does the 24AA16T-I/OT support, and how does it affect system design?
The 24AA16T-I/OT operates across a wide 1.8V to 5.5V supply voltage range, making it compatible with both 3.3V and 5V logic systems without level shifters. This flexibility simplifies design for mixed-voltage boards and supports low-power MCU platforms running at 1.8V, reducing overall system power consumption.
How fast can the 24AA16T-I/OT transfer data, and what is its page write size?
The 24AA16T-I/OT supports up to 400 kHz fast-mode I2C communication, delivering efficient sequential reads and writes. Its 16-byte page write buffer allows up to 16 bytes to be written in a single write cycle, reducing write latency compared to byte-by-byte approaches and improving throughput for firmware configuration storage.
Is the 24AA16T-I/OT suitable for industrial-temperature designs, and what package does it use?
Yes, the 24AA16T-I/OT is rated for the industrial temperature range of -40°C to +85°C, ensuring reliable EEPROM operation in harsh environments. It comes in the compact 5-pin SOT-23 package, occupying minimal PCB area—typically under 3 mm² footprint—making it an excellent choice for space-constrained industrial sensors and controllers.
How does the 24AA16T-I/OT compare to the 24AA08 for applications needing more memory?
The 24AA16T-I/OT provides 16 Kbits (2K x 8 bytes) of storage, doubling the 8 Kbit capacity of the 24AA08, while maintaining the same 1.8V minimum supply and I2C interface. If your application stores more than 1 KB of configuration or calibration data, the 24AA16T is a pin-compatible upgrade requiring only a firmware address adjustment.
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