25LC040AX-E/ST
- Mfr.Part #
- 25LC040AX-E/ST
- Manufacturer
- Microchip Technology
- Package / Case
- 8-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC EEPROM 4KBIT SPI 10MHZ 8TSSOP
- Stock
- 49,003
- In Stock :
- 49,003
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Memory
- Memory Width :
- 8
- Mounting Style :
- SMD/SMT
- Lead Free :
- Lead Free
- Memory Type :
- Non-Volatile
- Supply Current-Max :
- 0.005 mA
- Operating Mode :
- SYNCHRONOUS
- Clock Frequency :
- 10MHz
- Operating Temperature :
- -40°C~125°C TA
- Terminal Form :
- Gull wing
- Package Shape :
- RECTANGULAR
- JESD-30 Code :
- R-PDSO-G8
- Number of Words :
- 512 words
- Write Cycle Time-Max (tWC) :
- 5ms
- Maximum Operating Temperature :
- + 125 C
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- Mount :
- Surface Mount
- Interface :
- SPI, Serial
- Supplier Device Package :
- 8-TSSOP
- Supply Voltage-Max (Vsup) :
- 5.5 V
- Length :
- 4.4mm
- Endurance :
- 1000000 Write/Erase Cycles
- Interface Type :
- SPI
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Height :
- 1 mm
- Operating Supply Voltage :
- 5V
- Additional Feature :
- DATA RETENTION > 200 YEARS; 1,000,000 ERASE/WRITE CYCLES
- Minimum Operating Temperature :
- - 40 C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Width :
- 3mm
- Supply Voltage :
- 2.7V
- Power Supplies :
- 3/5 V
- Reach Compliance Code :
- Compliant
- Pin Count :
- 8
- Package :
- Tube
- Supply Voltage-Min (Vsup) :
- 2.5 V
- Surface Mount :
- yes
- Package / Case :
- 8-TSSOP (0.173, 4.40mm Width)
- Memory Organization :
- 512 x 8
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e3
- Product Category :
- EEPROM
- Standby Current-Max :
- 0.000001A
- Memory IC Type :
- EEPROM
- Access Time :
- 50 ns
- Data Retention Time-Min :
- 200
- Product Type :
- EEPROM
- Radiation Hardening :
- No
- Packaging :
- Tube
- Memory Density :
- 4096 bit
- Subcategory :
- Memory and Data Storage
- Temperature Grade :
- Automotive
- Pbfree Code :
- yes
- Terminal Pitch :
- 0.65mm
- Qualification Status :
- Not Qualified
- ECCN Code :
- EAR99
- Serial Bus Type :
- SPI
- Organization :
- 512 x 8
- Density :
- 4 kb
- Number of Terminals :
- 8
- Memory Interface :
- SPI
- Memory Format :
- EEPROM
- Nominal Supply Current :
- 5mA
- Write Protection :
- HARDWARE/SOFTWARE
- Seated Height-Max :
- 1.2 mm
- Base Part Number :
- 25LC040A
- Brand :
- Microchip Technology / Atmel
- Voltage - Supply :
- 2.5V~5.5V
- HTS Code :
- 8542.32.00.51
- Operating Supply Current :
- 5 mA
- Number of Terminations :
- 8
- RoHS :
- Details
- Data Retention :
- 200 Year
- Factory Lead Time :
- 18 Weeks
- Memory Size :
- 4Kb 512 x 8
- Terminal Position :
- Dual
- Manufacturer :
- Microchip
- Product Status :
- Active
- Write Cycle Time - Word, Page :
- 5ms
- Number of Functions :
- 1
- Number of Pins :
- 8
- Height Seated (Max) :
- 1.2mm
- Terminal Finish :
- Matte Tin (Sn)
- Series :
- --
- Parallel/Serial :
- Serial
- Published :
- 2009
- Base Product Number :
- 25LC040
- Datasheets
- 25LC040AX-E/ST

Memory Microchip Technology 25LC040AX-E/ST Overview
The 25LC040AX-E/ST, produced by Microchip Technology, is a robust and reliable integrated circuit specifically designed for non-volatile data storage. Boasting a 4Kbit Electrically Erasable PROM (EEPROM) with an SPI (Serial Peripheral Interface) clocking data transfer rates up to 10MHz, this IC ensures swift and efficient handling of data in a compact 8TSSOP package. Engineered for high-performance operations, the Memory Microchip Technology 25LC040AX-E/ST is a versatile component suitable for a wide range of applications requiring data preservation upon power-down, thus catering to the dynamic demands of various industrial, commercial, and sophisticated technological sectors. This component is precision-crafted to meet the rigorous quality standards that are synonymous with Microchip Technology's offerings, ensuring both reliability and endurance for your memory requirements.
25LC040AX-E/ST Features
- 4Kbit (512 x 8) EEPROM
- SPI bus compatible serial interface
- Max clock frequency of 10MHz
- Low-power CMOS technology
- 2.5V to 5.5V single supply voltage range
- Industrial temperature range (-40°C to +85°C)
- Self-timed erase and write cycles with auto-erase
- Write protection to prevent accidental data overwrite
- Compact 8-pin TSSOP package
25LC040AX-E/ST Applications
- Digital Devices Configuration: Stores firmware settings or device configurations for easy retrieval upon power cycle.
- Industrial Automation Systems: Holds operational parameters or user settings in control equipment requiring non-volatile memory.
- Portable Electronics: Saves preferences and user data in devices such as digital cameras, MP3 players, and handheld gaming systems.
- Automotive: Retains crucial data like error codes and telematics information in vehicle electronic control units (ECUs).
- Smart Cards: Functions as secure storage for personal identification or financial information within card-based applications.
- Internet of Things (IoT) Devices: Enables connected devices to remember previous state and user-defined settings after power loss.
You may place an order without registering to Xinshop. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















