25AA256-I/SM

$1.33

Description：IC EEPROM 256KBIT SPI 8SOIJ
Series：-
Mfr：Microchip Technology
Package：Tube

SKU:4aa6972a1ac0 Category: Memory IC Brand: Microchip Technology

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Product introduction

25AA256-I/SM is listed in the Memory IC range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC EEPROM 256KBIT SPI 8SOIJ. Review the specifications below when checking this part for your BOM.

Memory IC specifications for 25AA256-I/SM

Description：IC EEPROM 256KBIT SPI 8SOIJ
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：10 MHz
Write Cycle Time - Word, Page：5ms
Voltage - Supply：1.8V ~ 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-SOIJ
Access Time：-
Grade：-
Qualification：-

Memory IC datasheet and documents for 25AA256-I/SM

25AA256-I/SM

Memory IC Overview

The Microchip Technology 25AA256-I/SM is a 256 Kbit (32K x 8) Serial Electrically Erasable PROM accessed via an SPI-compatible bus. It operates within a voltage range of 1.8V to 5.5V and supports clock frequencies up to 10 MHz. The device features a 64-byte page size, self-timed erase/write cycles with a maximum duration of 5 ms, and industrial temperature ratings from -40°C to +85°C. It utilizes low-power CMOS technology and includes hardware write protection mechanisms.

Memory IC Feature Summary

Supports sequential read operations and page writes up to 64 bytes within a single physical page boundary.
Includes built-in power-on/off data protection circuitry and a write enable latch to prevent inadvertent writes.
Offers programmable block write protection allowing selection of none, 1/4, 1/2, or all array segments.
Features a Hold input pin to pause serial communication without resetting the sequence.

Memory IC Applications

Microcontroller system data storage
Configuration parameter retention
Calibration value storage

Memory IC Procurement Notes

Verify that the ordering suffix 'I' confirms the Industrial temperature range (-40°C to +85°C). Confirm the 'SM' suffix corresponds to the 8-lead SOIJ package type. Ensure the specific variant matches the required supply voltage range of 1.8V to 5.5V for your application design.

Memory IC Selection Notes

Select this component when an SPI interface is required for non-volatile memory with a capacity of 256 Kbit. It is suitable for applications needing low standby current and robust data retention. Consider the 25LC256 if a minimum operating voltage of 2.5V is acceptable instead of 1.8V.

Memory IC Part Context

This part belongs to the 25XX256 family of Serial EEPROMs from Microchip Technology. The family shares identical functional specifications but differs in operating voltage ranges and package options. The 25AA256 specifically supports lower voltage operation down to 1.8V compared to other variants in the series.