EmbeddedRelated.com
The 2026 Embedded Online Conference
MX25U51245GXDI00

MX25U51245GXDI00

Macronix
FLASH - NOR Memory IC 512Mbit SPI - Quad I/O, QPI, DTR 166 MHz 24-CSPBGA (6x8)
Active9,448 in stock

Overview

The MX25U51245GXDI00 is a high-density 512Mbit CMOS NOR Flash memory designed for high-performance applications requiring fast data throughput. Operating on a low-voltage 1.8V power supply, it supports Quad I/O and Quad Peripheral Interface (QPI) modes with Double Transfer Rate (DTR) capabilities at clock frequencies up to 166MHz. This memory is housed in a space-saving 24-ball BGA package, making it suitable for compact embedded systems.

Why Choose This Part

The component offers exceptional throughput through its 166MHz DTR Quad I/O mode, effectively doubling the data rate compared to standard SPI flash. Its 1.65V to 2V supply range significantly reduces power consumption in mobile and battery-operated devices. Additionally, it features advanced security functions, including block lock protection and an 8K-bit OTP area for unique identification and secure booting.

Applications

High-Performance Execute-in-Place (XiP)
Used as external program memory for microcontrollers and SoCs where code is executed directly from flash via high-speed SPI/QPI interfaces.
FPGA Configuration
Stores configuration bitstreams for large FPGAs, benefiting from the fast 166MHz clock and Quad I/O data rates to reduce boot times.
Industrial Networking Hardware
Provides reliable non-volatile storage for firmware and routing tables in networking equipment like routers and switches.
Embedded Computing Modules
Serves as the primary boot flash for system-on-modules (SoM) where high density and low power consumption are critical.

Key Specifications

Technology FLASH - NOR
Memory Size 512Mbit
Memory Type Non-Volatile
Memory Format FLASH
Mounting Type Surface Mount
Package / Case 24-TBGA
Clock Frequency 166 MHz
Memory Interface SPI - Quad I/O, QPI, DTR
Voltage - Supply 1.65V ~ 2V
Memory Organization 64M x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 24-CSPBGA (6x8)
Write Cycle Time - Word, Page 60us, 750us

Getting Started

Engineering designs should ensure the PCB layout supports high-speed signal integrity for the 166MHz SPI clock and matched trace lengths for Quad I/O lines. Developers can interface with this flash using standard SPI drivers, though specialized QPI drivers are required to leverage the full bandwidth. Consult the Macronix application notes for implementing the 4-byte address mode necessary to access the full 512Mbit memory map.

The 2026 Embedded Online Conference