AT25256W-10SI-2.7

$5.24

Description：IC EEPROM 256KBIT SPI 3MHZ 8SOIC
Series：-
Mfr：Microchip Technology
Package：Tube

SKU:cebfded300a0 Category: Memory IC Brand: Microchip Technology

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Product introduction

AT25256W-10SI-2.7 is listed in the Memory IC range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC EEPROM 256KBIT SPI 3MHZ 8SOIC. Review the specifications below when checking this part for your BOM.

Memory IC specifications for AT25256W-10SI-2.7

Description：IC EEPROM 256KBIT SPI 3MHZ 8SOIC
Series：-
Mfr：Microchip Technology
Package：Tube
Memory Type：Non-Volatile
Memory Format：EEPROM
Technology：EEPROM
Memory Size：256Kbit
Memory Organization：32K x 8
Memory Interface：SPI
Clock Frequency：3 MHz
Write Cycle Time - Word, Page：5ms
Voltage - Supply：2.7V ~ 5.5V
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.209", 5.30mm Width)
Supplier Device Package：8-SOIC
Access Time：-
Grade：-
Qualification：-

Memory IC datasheet and documents for AT25256W-10SI-2.7

AT25256W-10SI-2.7

Memory IC Overview

The AT25256W-10SI-2.7 is a serial electrically-erasable programmable read-only memory (EEPROM) providing 262,144 bits of storage organized as 32,768 words of 8 bits each. It operates with a supply voltage range of 2.7V to 5.5V and supports SPI clock rates up to 3 MHz. The device features block write protection for the top quarter, half, or entire array, alongside hardware and software data protection mechanisms. It utilizes an 8-lead EIAJ SOIC package and is rated for industrial temperatures from -40°C to +85°C.

Memory IC Feature Summary

Supports SPI Modes 0 and 3 with a maximum clock rate of 3 MHz
Provides hardware and software write protection via WP pin and status register
Enables block write protection for specific memory segments
Features self-timed write cycles with high endurance and data retention

Memory IC Applications

Industrial applications requiring low-power operation
Commercial applications needing non-volatile data storage
Systems utilizing synchronous serial peripheral interfaces

Memory IC Procurement Notes

Verify that the ordering suffix matches the required voltage and package specifications. Confirm the component meets RoHS standards if applicable. Check datasheet notes regarding recommended design alternatives before finalizing procurement decisions.

Memory IC Selection Notes

Select this component for designs requiring 256K-bit serial EEPROM with SPI compatibility. Ensure the system voltage falls within the 2.7V to 5.5V range. Consider the 8-lead EIAJ SOIC package dimensions for PCB layout constraints.

Memory IC Part Context

This part belongs to the AT25128/256 family of serial EEPROMs manufactured by Atmel. The family offers various density options and package types. Note that the datasheet indicates this device is not recommended for new designs, suggesting newer alternatives may be available.