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MX25V1006FZUI

MX25V1006FZUI

Macronix
FLASH - NOR Memory IC 1Mbit SPI - Dual I/O 80 MHz 8-USON (2x3)
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Overview

The MX25V1006FZUI is a 1 Mbit (128K x 8) SPI NOR flash memory in an 8-pin USON (2x3) package. It supports Dual I/O SPI reads up to 80 MHz and operates from 2.3 V to 3.6 V. The device is intended for small-code or data storage such as firmware, configuration, and non-volatile parameters.

Why Choose This Part

Its 1 Mbit density is a good match when you need low-cost, low-footprint non-volatile storage for firmware or small data sets. Dual I/O support and an 80 MHz clock give faster read performance than basic SPI-only parts without moving to larger, more expensive devices. The wide supply range (2.3 V to 3.6 V) and small USON package make it easy to integrate on space-constrained, battery-powered PCBs.

Applications

Firmware and boot storage
Store microcontroller bootloaders and small firmware images for low-memory systems.
Configuration and calibration data
Persist device configuration, calibration tables, serial numbers, and small look-up tables.
IoT sensors and edge nodes
Compact non-volatile storage for remote sensors, gateways, and other constrained IoT devices.
Code shadowing and recovery
Hold backup firmware images or boot recovery code for over-the-air update schemes.

Key Specifications

Technology FLASH - NOR
Memory Size 1Mbit
Memory Type Non-Volatile
Memory Format FLASH
Mounting Type Surface Mount
Package / Case 8-UFDFN Exposed Pad
Clock Frequency 80 MHz
Memory Interface SPI - Dual I/O
Voltage - Supply 2.3V ~ 3.6V
Memory Organization 128K x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-USON (2x3)
Write Cycle Time - Word, Page 50us, 10ms

Getting Started

Treat the MX25V1006FZUI like other SPI NOR flashes: connect CS, SCLK, SI, SO and observe voltage levels (2.3-3.6 V). Use existing SPI/NOR flash drivers (Linux m25p80, MCU HAL SPI libraries, or Arduino SPIFlash libraries) and follow the datasheet for command sequences, page program sizes, and write/erase timing. Remember to handle WP#/HOLD# pins appropriately and provide a stable 3.3 V supply or level shifting if your host runs at a different voltage.