25AA010A-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The Microchip 25AA010A-I/SN is a 1Kbit (128 x 8) 1.8V SPI serial EEPROM with up to 10MHz clock support and 1 million write/erase cycles. It supports industrial temperature range in an SOIC-8 package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25AA010A-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-speed SPI interface supporting up to 10MHz clock frequency for fast data access in demanding applications
- Wide voltage operation from 1.8V to 5.5V with full 10MHz SPI speed from 2.5V and 3MHz at 1.8V
- 1 million write/erase cycle endurance with 200-year minimum data retention in industrial temperature range
- Industry-standard SOIC-8 package with hardware write-protect and hold pins for flexible system integration
Applications
The 25AA010A-I/SN is well suited for storing configuration data, device calibration values, and serial number information in industrial and consumer embedded systems. Its high-speed 10MHz SPI interface makes it ideal for microcontrollers with fast SPI peripherals, including automotive body controllers, sensor nodes, and smart meters. The industrial temperature rating (-40°C to +85°C) ensures reliable operation in outdoor and harsh-environment deployments.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Additional Feature | ALSO OPERATES 1.8V TO 2.5V @3MHZ |
| Clock Frequency-Max (fCLK) | 10MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 1024bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 128words |
| Number of Words Code | 128 |
| Operating Mode | SYNCHRONOUS |
| Organization | 128X8 |
| Output Characteristics | 3-STATE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 5V |
| Qualification Status | Not Qualified |
| 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) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE |
| Package | Small Outline Packages |
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 | Mainland China, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum SPI clock frequency of the 25AA010A-I/SN?
The 25AA010A-I/SN supports a maximum SPI clock frequency of 10MHz when operating at 2.5V to 5.5V supply voltage. At lower voltages (1.8V to 2.5V), the maximum clock frequency is 3MHz. This high-speed SPI operation enables rapid data access for time-sensitive embedded applications.
How is the 25AA010A-I/SN different from I2C-based EEPROMs like the 24AA010?
The 25AA010A-I/SN uses a 4-wire SPI interface (CS, SCK, SI, SO) instead of the 2-wire I2C interface used by 24-series EEPROMs. SPI offers higher clock speeds (up to 10MHz vs 400kHz for I2C Fast mode) and full-duplex communication, making it preferable when speed matters. However, I2C requires fewer pins and supports multiple devices on the same 2-wire bus using addressing.
What is the memory capacity and write page size of the 25AA010A-I/SN?
The 25AA010A-I/SN provides 1Kbit of EEPROM capacity organized as 128 bytes (128 x 8-bit). It supports 16-byte page write operations, allowing up to 16 bytes to be written in a single write cycle rather than one byte at a time, significantly reducing write time for bulk data updates.
Is the 25AA010A-I/SN suitable for industrial applications?
Yes, the 'I' suffix designates industrial temperature grade operation from -40°C to +85°C. The part also carries a 1 million write/erase cycle endurance rating with 200-year data retention, and is fully RoHS compliant (JESD-609 code e3, Pbfree). These characteristics make it well suited for industrial sensors, PLCs, and field instrumentation.
Can multiple 25AA010A-I/SN devices share the same SPI bus?
Yes, multiple 25AA010A-I/SN devices can share a single SPI bus because each device is selected individually via its dedicated active-low chip select (CS) pin. As many devices as there are GPIO lines available for chip select can co-exist on the same SCK, SI, and SO lines, making it easy to expand memory capacity by daisy-chaining or paralleling multiple devices.
Related Guides
TPS613222ADBVR Boost Converter Design Guide: Battery-Powered 3.3 V Rail
Design a stable 3.3 V or 5 V boost rail with the TPS613222ADBVR: input/output capacitor sizing, inductor selection, and low-EMI PCB layout for portable battery-powered devices.
May 24, 2026
OPA4277MDTEP Precision Instrumentation Amp Design Guide
Circuit techniques for OPA4277MDTEP precision op-amp: instrumentation amp front-ends, low-side current sensing, photodiode TIA, and thermocouple amplifiers.
May 24, 2026
CDCE913PWR Programmable Clock Synthesizer Design Guide
Complete design guide for the CDCE913PWR clock synthesizer: VCO range, I2C programming, decoupling, and layout best practices for embedded systems.
May 22, 2026
OPA4277MDTEP Precision Quad Op-Amp Selection Guide: How to Choose the Right Variant
How to choose the right OPA4277 quad precision op-amp variant—OPA4277MDTEP vs UA—covering offset voltage, CMRR, supply range, and temperature grade.
May 22, 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.
More from Microchip
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”