MX25L51245GXDI-08G - 512Mbit SPI NOR Flash 166MHz | Macronix
MPN: MX25L51245GXDI-08G β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.65 | $56.50 |
| 100 | $5.1 | $510.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.2 | $4,200.00 |
MX25L51245GXDI-08G Overview
Serial NOR Flash is a non-volatile memory category within the broader flash memory hierarchy (NOR Flash -> flash memory -> semiconductor memory -> non-volatile memory IC). Unlike parallel NOR, serial NOR devices communicate over an SPI (Serial Peripheral Interface) bus, trading raw bandwidth for a much smaller pin count, smaller footprint, and lower system cost. Serial NOR is the dominant boot memory technology for embedded processors, FPGAs, microcontrollers, and networking SoCs.
Key features of the MX25L51245G family include the MXSMIO (Serial Multi I/O) interface supporting x1, x2, and x4 I/O operation, QPI (Quad Peripheral Interface) mode for reduced command overhead, and DTR (Double Transfer Rate) mode that transfers data on both clock edges to maximize sequential read throughput. The device offers 100,000 program/erase cycles endurance and 20-year data retention per Macronix data.
Technical depth: the XDI-08G speed grade supports a 166 MHz clock in Quad/DTR modes, enabling high read bandwidth for XIP (execute-in-place) code shadowing and fast FPGA configuration loading. Page program time is 750 microseconds with 60-microsecond word program support, and the architecture supports sector and block erase for flexible firmware update management.
Typical applications include FPGA configuration/boot memory for Xilinx and Intel devices, embedded processor code storage in networking equipment, set-top boxes and automotive infotainment, and firmware storage in industrial controllers where high-density non-volatile code storage is required.
Design consideration: verify VCC ramp and use the RESET#/hold features per the Macronix datasheet to ensure correct power-up state, and allocate proper decoupling at the 2.7V-3.6V supply pins.
This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for MX25L51245GXDI-08G β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MX25L51245GXDI-08G (same form factor and footprint) β differing in Access Time, Max Clock Frequency, Memory Size, Memory Type.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
MX25L51245GXDI-10G
β Drop-Inπ Reference alternative (not in catalog)
MX25L51245GZDI-08G
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
MX25L51245GXDI-08G Specifications
| Memory Type | FLASH - NOR Memory IC |
| Memory Size | 512 Mbit (64 MByte) |
| Memory Organization | 64M x 8 |
| Technology | FLASH - NOR |
| Memory Interface | SPI - Quad I/O, QPI, DTR |
| Max Clock Frequency | 166 MHz |
| Supply Voltage | 2.7 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| Write Cycle Time - Word | 60 us |
| Write Cycle Time - Page | 750 us |
| Endurance | 100,000 cycles |
| Data Retention | 20 years |
| Package / Case | 24-CSPBGA (6x8) |
| Supplier Device Package | 24-CSPBGA (6x8) |
| Mounting Type | Surface Mount |
| Access Time | 8 ns |
| Memory Format | FLASH |
MX25L51245GXDI-08G 24-cspbga (6x8) Pin Configuration Guide
Pin configuration for MX25L51245GXDI-08G (24-cspbga (6x8) package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for MX25L51245GXDI-08G.
Refer to the datasheet for full pin configuration.
Typical Applications
MX25L51245GXDI-08G is suitable for 6 applications: FPGA Configuration / Boot Memory, Networking Equipment Code Storage, Set-Top Box and Consumer Electronics, Industrial Controllers and Automation, Automotive Infotainment (Non-Safety), Embedded Processor Boot and Data Storage.
FPGA Configuration / Boot Memory
The MX25L51245GXDI-08G is a strong fit as FPGA configuration storage because its 512Mbit (64MB) density holds large bitstreams from high-logic-capacity FPGAs, and its 166 MHz Quad I/O, QPI, and DTR read modes shorten configuration latency versus single-I/O serial flash. In a typical topology, the FPGA master SPI controller loads the bitstream at power-up from the MX25L51245G using fast-read Quad commands; DTR mode transfers data on both clock edges, doubling effective bandwidth at the same clock frequency. The 20-year retention and 100,000-cycle endurance ensure configuration data integrity over the product lifetime.
Recommended
Networking Equipment Code Storage
Routers, switches, and baseband cards store boot code, firmware, and configuration tables in serial NOR Flash. The MX25L51245GXDI-08G fits this role with 64MB of XIP-capable code space and the MXSMIO Quad/DTR interface delivering high sequential read bandwidth for fast boot from 2.7V-3.6V rails common in networking silicon. Sector and block erase architecture supports in-field firmware update schemes where a golden image is preserved and application images are cycled, keeping erase cycles well within the 100,000-cycle endurance budget. The -40C to +85C industrial range covers telecom equipment environments.
Recommended
Set-Top Box and Consumer Electronics
Set-top boxes, smart TVs, and OTT media players use serial NOR Flash for boot ROM extension and non-volatile firmware storage. The MX25L51245GXDI-08G provides 512Mbit density to hold secure boot loaders and kernel images, while QPI mode reduces command overhead so the SoC can fetch code quickly during startup, cutting perceived boot time - a key consumer metric. The compact 24-ball CSPBGA (6x8) footprint of roughly 6x8 mm saves board area inside slim industrial designs, and the single 2.7V-3.6V supply integrates cleanly into 3.3V consumer power trees without a dedicated regulator.
Recommended
Industrial Controllers and Automation
Industrial PLCs, motor controllers, and automation modules require reliable code storage across wide temperature and long service lifetimes. The MX25L51245GXDI-08G operates from -40C to +85C with 20-year data retention, matching industrial qualification expectations. Its SPI interface keeps pin count low when routed to SoCs and MCUs, and the 8 ns access-time class plus DTR read mode supports fast XIP execution of boot code before the controller copies firmware to RAM. The 100,000-cycle endurance comfortably covers parameter logging and firmware update cycles over a typical 10-year industrial service life.
Recommended
Automotive Infotainment (Non-Safety)
Infotainment head units and telematics control units use high-density serial NOR for boot loaders, graphics assets, and read-mostly data. The MX25L51245GXDI-08G's 64MB capacity and 166 MHz Quad/DTR read performance shorten cold-start time for map rendering and media boot sequences. Note that this standard-grade part is not documented as AEC-Q100 qualified in the available data; it is appropriate for non-safety infotainment subsystems only after the OEM confirms the temperature and quality grade against their specification. Designers should verify reset behavior during vehicle crank (supply dips toward 2.7V) using the RESET# functionality.
Recommended
Embedded Processor Boot and Data Storage
General embedded designs based on application processors and high-pin-count MCUs use the MX25L51245GXDI-08G to store bootloader, OS image, and calibration data. The SPI - Quad I/O, QPI, DTR interface with 60 us word and 750 us page program times enables efficient over-the-air firmware updates, writing a 64MB image within minutes without stressing endurance. The 2.7V-3.6V single supply matches common 3.3V rails, and the exposed-ball BGA provides short, low-inductance signal paths that maintain signal integrity at the 166 MHz maximum clock when routed with controlled impedance and series termination per Macronix layout guidance.
Recommended
Recommended Products Summary
Engineering reference data for MX25L51245GXDI-08G β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MX25L51245GXDI-10G | MX25L51245GZDI-08G |
|---|---|---|---|
| Package | 24-CSPBGA (6x8) | 24-CSPBGA (6x8) - same | 24-CSPBGA (6x8) - same |
| Brand | Macronix | Macronix | Macronix |
| Density | 512 Mbit (64M x 8) | 512 Mbit (64M x 8) | 512 Mbit (64M x 8) |
| Interface | SPI - Quad I/O, QPI, DTR | SPI - Quad I/O, QPI, DTR | SPI - Quad I/O, QPI, DTR |
| Max Clock Frequency | 166 MHz | 166 MHz (per Xecor: no measurable differences) | 166 MHz |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C |
| Endurance / Retention | 100,000 cycles / 20 years | 100,000 cycles / 20 years | 100,000 cycles / 20 years |
Key Differentiators
- DTR (Double Transfer Rate) mode at 166 MHz (vs MX25L51245GXDI-10G)
- 512Mbit density in compact 24-ball CSPBGA (vs MX25L51245GZDI-08G)
- QPI command-set efficiency (vs MX25L51245GXDI-10G)
Design Notes
The 24-ball CSPBGA (6x8) is a fine-pitch BGA; follow the Macronix datasheet land-pattern recommendation exactly, including via-in-pad or dog-bone fanout choices. Keep SPI clock, SIO0-SIO3, and CS# traces length-matched where practical and add 22-33 ohm series resistors on clock and data lines to control ringing at 166 MHz DTR operation (data valid on both edges). Provide a solid ground reference plane directly under the flash routing and place the device close to the host SPI controller to keep stubs short.
Supply the MX25L51245GXDI-08G from a 2.7V-3.6V rail. Estimated decoupling: place at least one 100 nF ceramic capacitor within 2 mm of the VCC ball pair plus one 4.7 uF bulk capacitor nearby; during Quad page-program operations supply-current transients occur, and excessive rail droop can corrupt writes. If the rail is shared with other 3.3V loads, isolate the flash with a small ferrite bead to reject switching noise from nearby DC-DC converters.
Verify the power-up sequence: hold RESET# (or CS#) asserted until VCC is stable, and check the default read mode after power-on per the datasheet - QPI and DTR modes must be explicitly enabled by command and are lost at power cycle. Do not assume sector-map addresses without consulting the 512Mb datasheet tables. When substituting MX25L51245GXDI-10G for the -08G, confirm your controller timing setup still meets the ordering-code timing in your own qualification test.
Compliance Information
RoHS compliance per JLCPCB part listing. AEC-Q100 qualification not documented in available data. REACH, halogen-free, and conflict-minerals statements require confirmation from official Macronix environmental documentation.
