EmbeddedRelated.com
The 2026 Embedded Online Conference
    Parts   Memory & Storage  NOR Flash    MT25QL256ABA1EW9-0SIT
MT25QL256ABA1EW9-0SIT

MT25QL256ABA1EW9-0SIT

Micron Technology Inc.
FLASH - NOR Memory IC 256Mbit SPI - Quad I/O 133 MHz 8-WPDFN (8x6) (MLP8)
Active
Datasheet Digi-Key Compare Prices

Overview

The MT25QL256ABA1EW9-0SIT is a 256Mbit (32MB) high-performance Serial NOR Flash memory device manufactured by Micron. It utilizes a Multi-I/O SPI interface supporting Single, Dual, and Quad operations at clock frequencies up to 133 MHz. This non-volatile memory is designed for high-reliability applications requiring fast data throughput and execute-in-place (XIP) capabilities.

Why Choose This Part

The device features flexible erase granularities with 4KB, 32KB, and 64KB sectors, optimizing memory management for small data updates. It offers robust data integrity features including CRC-based accidental change detection and password protection for sensitive firmware. Additionally, the 133 MHz Quad I/O performance provides a significant throughput advantage over standard serial flash devices.

Applications

Embedded Firmware Storage
Ideal for storing primary bootloaders and application code for high-performance microcontrollers and FPGAs.
Execute-in-Place (XIP)
Supports XIP operations allowing the processor to execute code directly from the flash, reducing the need for large internal RAM.
Data Logging
Used in industrial systems to store high-resolution logs and configuration tables that require reliable non-volatile storage.
FPGA Configuration
Serves as a configuration memory to store bitstreams for mid-to-high density FPGAs that load on power-up.

Key Specifications

Technology FLASH - NOR
Memory Size 256Mbit
Memory Type Non-Volatile
Memory Format FLASH
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Clock Frequency 133 MHz
Memory Interface SPI - Quad I/O
Voltage - Supply 2.7V ~ 3.6V
Memory Organization 32M x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-WPDFN (8x6) (MLP8)
Write Cycle Time - Word, Page 8ms, 2.8ms

Getting Started

Integration requires a SPI controller supporting Mode 0 or Mode 3. Engineers should verify the 3V-class supply range (2.7V to 3.6V) and ensure the host controller can manage 4-byte addressing for the full 256Mb range. Software development is simplified by using JEDEC-standard SFDP (Serial Flash Discoverable Parameters) to identify the device parameters automatically.

Categories

Memory & Storage > NOR Flash
The 2026 Embedded Online Conference