Microchip Technology 25LC040AX-E/ST
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 2.25 | Dhs. 2.25 |
| 15+ | Dhs. 2.17 | Dhs. 32.55 |
| 25+ | Dhs. 2.12 | Dhs. 53.00 |
| 50+ | Dhs. 2.01 | Dhs. 100.50 |
| 100+ | Dhs. 1.77 | Dhs. 177.00 |
| N+ | Dhs. 0.35 | Price Inquiry |
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Microchip 25LC040AX-E/ST - 4Kbit SPI Serial EEPROM Memory
The 25LC040AX-E/ST from Microchip Technology is a high-reliability 4Kbit (512 x 8) serial EEPROM designed for demanding embedded applications. This non-volatile memory solution features an industry-standard SPI interface, making it ideal for data storage in automotive, industrial control, medical devices, and consumer electronics.
Key Features & Benefits
- Wide Voltage Range: Operates from 2.5V to 5.5V, compatible with both 3.3V and 5V systems
- Extended Temperature Range: -40°C to 125°C (TA) for harsh industrial and automotive environments
- Fast SPI Interface: 10 MHz clock frequency enables rapid data access
- Compact 8-TSSOP Package: Space-saving surface mount design (0.173", 4.40mm width)
- Low Power Consumption: Ideal for battery-powered and energy-efficient applications
- High Endurance: 1,000,000 erase/write cycles minimum
- Data Retention: 200+ years at 25°C
Applications
This EEPROM is perfect for storing calibration data, configuration settings, security codes, and small data logs in:
- Automotive electronics and ECU systems
- Industrial automation and control systems
- Medical equipment and diagnostic devices
- Smart meters and IoT sensor nodes
- Consumer electronics and appliances
- Embedded systems requiring non-volatile storage
Technical Advantages
The 25LC040AX-E/ST offers superior reliability with its EEPROM technology, providing byte-level write capability without the need for block erasure. The SPI interface requires only four pins, minimizing PCB space and simplifying design integration. With a 5ms write cycle time and hardware write protection features, this memory chip ensures both speed and data security.
Why Choose HQICKEY?
At HQICKEY, we provide 100% authentic semiconductor components with full manufacturer warranty support. All products are sourced directly from authorized distributors and undergo rigorous quality verification. We offer global shipping with secure packaging and comprehensive technical support to ensure your project success.
Related Products & Resources
Explore our complete range of Memory Semiconductor Devices including EEPROM, Flash, DRAM, and SRAM solutions from 64 bits to 6 terabits. Browse our complete semiconductor catalog or visit our technical blog for application notes, design guides, and industry insights.
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Tube | |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 4Kbit |
| Memory Organization | 512 x 8 |
| Memory Interface | SPI |
| Clock Frequency | 10 MHz |
| Write Cycle Time - Word, Page | 5ms |
| Access Time | - |
| Voltage - Supply | 2.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 8-TSSOP |
| ROHS |

25LC040AX-E/ST.pdf