25AA128-I/MF Microchip Integrated Circuit (Small Outline No-lead) In Stock
Microchip 25AA128-I/MF is a 128 Kbit (32K x 8) SPI serial EEPROM with 1.8 V minimum supply voltage. It offers a 10 MHz max clock, 1 million write/erase cycles, and 200-year data retention in a compact DFN-8 package. Available in stock worldwide for embedded storage applications.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25AA128-I/MF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1800(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 25AA128-I/MF?
- 128 Kbit (32K x 8) SPI EEPROM with up to 10 MHz clock frequency
- Ultra-low 1.8 V minimum supply voltage for battery-powered systems
- 1 million write/erase cycle endurance with 200-year data retention
- 64-byte page write buffer reducing SPI transaction overhead
- Compact DFN-S-8 package enabling high-density board layouts
What is 25AA128-I/MF used for?
The 25AA128-I/MF is commonly used for non-volatile data storage in microcontroller-based systems requiring reliable configuration or calibration data retention. Its low 1.8 V supply makes it suitable for battery-operated IoT sensors, wearables, and portable medical devices. The 10 MHz SPI interface and 64-byte page write capability also serve industrial parameter logging and automotive infotainment systems.
What are the specifications of 25AA128-I/MF?
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-S-8 |
| Factory Lead Time | 33Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 10MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Memory Density | 131072bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 16384words |
| Number of Words Code | 16000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 16KX8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 2.5V |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Serial Bus Type | SPI |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.005mA |
| 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 | NO LEAD |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE/SOFTWARE |
| Package | Small Outline No-lead |
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 | Philippines, Thailand |
Where can I find the 25AA128-I/MF datasheet?
25AA128-I/MF Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 25AA128-I/MF?
Compatible alternatives and drop-in replacements for 25AA128-I/MF:
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Frequently Asked Questions
What endurance and data retention ratings does the 25AA128-I/MF offer for industrial data logging?
The 25AA128-I/MF is rated for 1 million write/erase cycles and provides a minimum 200-year data retention period, making it highly suitable for industrial parameter logging systems where frequent writes and long-term data preservation are required.
Can the 25AA128-I/MF operate from a 1.8 V supply in battery-powered embedded systems?
Yes, the 25AA128-I/MF operates from a supply voltage as low as 1.8 V at up to 1 MHz, and up to 5.5 V at 10 MHz. This wide range allows direct integration with low-voltage microcontrollers in battery-powered IoT sensors and portable devices without level shifting.
How does the DFN-8 package of the 25AA128-I/MF compare to SOIC-8 for compact PCB designs?
The DFN-S-8 package occupies roughly 2 mm x 3 mm of board space, significantly smaller than an SOIC-8 footprint, which is ideal for miniaturized PCB designs such as wearable electronics or smartcard modules requiring 128 Kbit of non-volatile storage.
What is the page write buffer size of the 25AA128-I/MF and why does it matter for SPI throughput?
The 25AA128-I/MF includes a 64-byte page write buffer, allowing up to 64 bytes to be written in a single SPI transaction and reducing chip-select toggling overhead. This improves effective write throughput in data-logging applications that record sensor readings at rates of several kilobytes per second.
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