25AA256-I/SM Memory by Microchip Technology
256Kb 1.8V SPI Serial EEPROM
| Status: | Active |
|---|---|
| Series: | 25AA256 |
| RoHS: | Unknown |
Where to Buy
Prices starting from US$0.65
Features
| 32,768 x 8-bit (256 Kbit) |
| Supports SPI modes 0 and 3 |
| Up to 10 MHz clock frequency |
| Self-Timed Erase and Write Cycles (5 ms max.) |
| Read current: 6 mA (Max) at 10 MHz |
| Write current: 5 mA (Max) at 5.5 V |
| Standby current: 5 µA (Max) at 5.5 V |
| Block Write Protection: Protect 1/4, 1/2 or Entire Array |
| More than 1 million erase/write cycles |
| Data retention > 200 years |
| Industrial (I): -40°C to 85°C |
| Extended (E): -40°C to +125°C |
| Automotive AECQ-100 Qualified1 |
| Factory Programming Available |
| Available in standard packages including 8-lead PDIP, SOIC, SOIJ, and TSSOP, as well as 5x6mm DFN |
Specifications
| Density (Organization) | 256 Kbit |
|---|---|
| Operating Voltage Min. (V) | 1.8 |
| Oper Voltage Max (V) | 5.5 |
| Max. Clock Freq. | 10 MHz |
| Page Size (bytes) | 64 |
| Write Protected | False |
| Write Protect Scheme | Quarter, Half, Whole Array |
| Endurance | 1,000,000 |
| Data Retention (Years) | 0 |
| Bus Modes | SPI |
| Battery Backup | False |
| Pins | Packaging | 8 | SOIJ |
| Temp Range | -40C to +85C |
| Packing Media | Tube (90) |
Last 6 months Inventory & Pricing History
Resources
Data Sheets |
|---|
| 25AA256/25LC256 256K SPI Bus Serial EEPROM |
Board Design Files |
|---|
| Verilog Model - 25xx256 Devices |
| IBIS Model - 25xx256 Devices |
Supporting Collateral |
|---|
| Serial EEPROM Cross Reference Guide |
Environmental Information
| ROHS | Unknown |
|---|---|
| China EFUP | Unknown |
Alternative Descriptions
| 256K, 32K X 8 1.8V SERIAL EE | Microchip Technology |
| Serial Eeprom, 256Kbit, 10Mhz, Soij-8 | Newark Electronics |
| 25AA256 Series 256 Kbit (32K x 8) 5.5 V SMT SPI Bus Serial EEPROM - SOIC-8 | Future Electronics |
| EEPROM Serial-SPI 256K-bit 32K x 8 2.5V/3.3V/5V 8-Pin SOIJ | Avnet America |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a 25AA256-I/SM?
Additional datasheets, footprints and schematics for 25AA256-I/SM are listed on our Part Details page. You can also find images and similar parts to 25AA256-I/SM on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for 25AA256-I/SM on our Product Comparison page. Access via the 'View Pricing & Stock' button to view 25AA256-I/SM price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does 25AA256-I/SM fall under?
The 25AA256-I/SM is listed under Semiconductors - ICs > Memory > EEPROM.
Can I view similar or alternative parts?
You can view similar parts to 25AA256-I/SM when available in the EEPROM range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the 25AA256-I/SM you can contact the distributor directly for product support, shipping queries etc.
Is the 25AA256-I/SM RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for 25AA256-I/SM have stock available?
Authorised distributors including Microchip Technology, Newark Electronics, Future Electronics, Avnet America and EBV Elektronik have stock available or on a lead time for 25AA256-I/SM.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for 25AA256-I/SM often in real-time on the comparison pages.
What if I can't find stock of 25AA256-I/SM?
You can fill out our help required form which you can use to request a quote for 25AA256-I/SM from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.