MT25QL256ABA8E12-0AUT - 256Mb SPI NOR Flash 133MHz | Micron
料号： MT25QL256ABA8E12-0AUT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $17.63 | $17.63 |
| 10 | $16.2 | $162.00 |
| 100 | $14.85 | $1,485.00 |
| 500 | $13.6 | $6,800.00 |
| 1,000 | $12.5 | $12,500.00 |
MT25QL256ABA8E12-0AUT 概述
A serial NOR flash memory is a non-volatile storage device that stores code and data while retaining content without power, accessed over a serial peripheral interface (SPI). Within the memory hierarchy, it sits in the broader NOR flash family alongside parallel NOR, and in power-management/system terms it typically serves as the boot and code-execution memory for a microcontroller, FPGA, or application processor. Serial NOR is favored when pin count, board space, and in-place code execution (XIP) matter more than raw write bandwidth.
Key features of the MT25QL256ABA8E12-0AUT include 256 Mb density organized as x1/x2/x4 (single, dual, and quad I/O), a maximum clock frequency of 133 MHz for fast code fetch, and an automotive-grade temperature rating that supports under-hood and other harsh environments. Micron's MT25Q architecture adds multiple I/O command sets (fast read dual output, quad output, and quad I/O) that increase effective read bandwidth beyond standard SPI without changing the pin count.
The device is fabricated in Micron's NOR flash process with sector-erase and page-program architecture, hardware and software write protection, and power-on reset protection - features cited on distributor pages for this family. The 5 ns clock-cycle timing at 133 MHz supports execute-in-place boot code for processors that cannot tolerate the latency of loading code into RAM.
Typical applications include FPGA configuration/boot storage, automotive ECU and ADAS code storage, industrial drives and networking equipment boot ROM, and set-top-box or display firmware storage where AEC-Q100 qualification and a wide -40C to +125C range are required.
Design consideration: the 24-ball BGA package requires accurate land-pattern layout and X-ray or optical inspection capability for rework; confirm the SPI mode and command set compatibility with the host controller before second-sourcing.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： MT25QL256ABA8E12-0AUT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MT25QL256ABA8E12-0AUT （相同外形与封装尺寸） ——差异在于 Memory Type, Density, Organization, Interface, FBGA Code.
快速对比工具——选择替代料号进行并排对比：
MT25QL256ABA8E12-0AAT
✅ 直接替换📋 参考替代料（不在目录中）
MT25QL512ABB8E12-0AUT
✅ 直接替换✓ 有现货
$10.55 / 个
查看数据手册 →W25Q256JVEIQ
✅ 直接替换📋 参考替代料（不在目录中）
MX25L25645GZ2I-10G
✅ 直接替换📋 参考替代料（不在目录中）
S25FL256SAGNFI000
✅ 直接替换📋 参考替代料（不在目录中）
MT25QL256ABA8E12-0AUT 规格参数
| 存储器类型 | NOR Flash, Serial (SPI multiple I/O) |
| Density | 256 Mbit (32 MB) |
| 存储组织 | x1 / x2 / x4 (single, dual, quad I/O) |
| 接口 | SPI - Quad I/O |
| 最大时钟频率 | 133 MHz |
| Clock Cycle Time | 5 ns |
| Supply Voltage - Minimum | 2.7 V |
| Supply Voltage - Nominal | 3 V |
| Supply Voltage - Maximum | 3.6 V |
| 工作温度 | -40C to +125C |
| 封装 | 24-T-PBGA (6x8 mm) |
| FBGA Code | RW326 |
| Qualification | AEC-Q100 (automotive) |
| 安装类型 | Surface Mount (BGA) |
| Write Protection | Hardware, software, and absolute write protection |
| Power-on Reset Protection | Yes |
| RoHS 状态 | Compliant |
MT25QL256ABA8E12-0AUT 24-t-pbga (6x8 mm) 引脚配置指南
MT25QL256ABA8E12-0AUT（24-t-pbga (6x8 mm) 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： MT25QL256ABA8E12-0AUT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MT25QL256ABA8E12-0AUT 适用于 6 应用s: Automotive ECU Code Storage, FPGA Configuration and Boot Memory, Industrial Networking and Switch Equipment, ADAS Sensor Module Storage, Set-Top Box and Display Firmware, Test and Measurement Instrument Boot Memory.
Automotive ECU Code Storage
The MT25QL256ABA8E12-0AUT fits automotive electronic control units because it combines AEC-Q100 qualification with a -40C to +125C operating range, covering under-hood and powertrain ambient conditions that defeat industrial-grade flash. Its 256 Mb (32 MB) density stores application firmware, calibration data, and OTA update images for engine, chassis, and body controllers. Connected to the ECU microcontroller over quad SPI at 133 MHz, it delivers fast boot code fetch with 5 ns clock-cycle timing, reducing power-on latency. Hardware and software write protection features prevent corruption of the boot image during brown-out or EMI events, while power-on reset protection guarantees defined operation during vehicle cranking voltage dips.
推荐
FPGA Configuration and Boot Memory
Field-programmable gate arrays require a fast, reliable non-volatile source for configuration bitstreams, and the MT25QL256ABA8E12-0AUT matches this need with 256 Mb density - sufficient for large bitstreams from mid-range devices - and a 133 MHz quad I/O read path that minimizes configuration time after power-on. The wide -40C to +125C range suits defense, aerospace, and industrial systems where FPGAs operate in uncontrolled environments. The quad output fast-read commands let the FPGA configuration master saturate its bitstream loader without custom glue logic. Design consideration: verify 4-byte addressing support since 256 Mb exceeds the 16 MB 3-byte address boundary. Micron serial NOR is a proven companion for Microsemi RTAX and PolarFire-class designs.
推荐
Industrial Networking and Switch Equipment
Industrial Ethernet switches, routers, and PLC communication modules use serial NOR flash as boot and firmware storage, and the MT25QL256ABA8E12-0AUT suits this role with 32 MB capacity for firmware images plus dual-bank OTA layouts. The 2.7 V to 3.6 V supply tolerance absorbs rail variation on noisy industrial backplanes, while the extended -40C to +125C rating covers unventilated cabinets and outdoor enclosures beyond the +85C ceiling of industrial-grade parts. Quad SPI reads at 133 MHz allow the host CPU to execute-in-place critical boot code before loading the main image to RAM, cutting startup time. Absolute write protection can lock the bootloader sector against accidental or malicious overwrites in fielded equipment.
推荐
ADAS Sensor Module Storage
Advanced driver assistance sensor modules - cameras, radar, and lidar - boot their processing SoC from non-volatile code memory that must survive the automotive thermal envelope, making the AEC-Q100 qualified MT25QL256ABA8E12-0AUT a natural fit. Its 256 Mb capacity stores the module's boot loader, signal-processing firmware, and calibration tables, and quad I/O reads at 133 MHz help meet the fast time-to-first-frame requirement after vehicle power-on. Hardware write protection secures calibration data against corruption across service cycles. Because ADAS modules place memory close to high-speed digital circuitry, the BGA package's short ball interconnects help maintain signal integrity on the SPI bus; layout discipline with length-matched quad-I/O traces is recommended.
推荐
Set-Top Box and Display Firmware
Set-top boxes, smart displays, and digital signage products store boot firmware and settings in serial NOR flash, and the MT25QL256ABA8E12-0AUT provides 32 MB of reliable storage with the quad SPI bandwidth needed for quick boot of Linux-based firmware loaders. The 3 V supply class integrates directly with mainstream SoC power trees, and the wide -40C to +125C range gives margin for enclosed, passively cooled consumer and commercial hardware. Power-on reset protection ensures the device never outputs corrupted data during brown-outs caused by shared power supplies. In dual-image update schemes, the 32 MB capacity comfortably holds a golden image plus a downloaded update image with room for settings partitions.
推荐
Test and Measurement Instrument Boot Memory
Bench and portable test instruments - oscilloscopes, logic analyzers, and signal generators - boot their processing platform from serial NOR flash and store instrument calibration constants there as well. The MT25QL256ABA8E12-0AUT serves this role with 256 Mb density, 133 MHz quad SPI reads for fast instrument startup, and a -40C to +125C range that covers both laboratory and vehicle-mounted field instruments. The device's software and absolute write-protection mechanisms let manufacturers lock the calibration sector so field firmware updates cannot erase factory calibration. The 2.7 V to 3.6 V supply window tolerates the small rail sag that occurs when high-power instrument subsystems switch on during boot sequencing.
推荐
推荐产品汇总
工程参考数据： MT25QL256ABA8E12-0AUT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MT25QL256ABA8E12-0AAT | MT25QL512ABB8E12-0AUT | W25Q256JVEIQ | S25FL256SAGNFI000 |
|---|---|---|---|---|---|
| Package | 24-T-PBGA (6x8) | 24-T-PBGA (6x8) - same | 24-T-PBGA (6x8) - same | 24-TFBGA (8x6) - verify land pattern | 24-ball BGA - verify footprint |
| Brand | Micron Technology | Micron Technology | Micron Technology | Microchip Technology | Infineon |
| Density | 256 Mbit (32 MB) | 256 Mbit (32 MB) | 512 Mbit (64 MB) | 256 Mbit (32 MB) | 256 Mbit (32 MB) |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| AEC-Q100 Automotive Qualification | Qualified | Industrial grade | Qualified | No (verify W25Q256JW-IM for automotive) | Automotive-oriented family |
关键差异点
- Automotive AEC-Q100 qualification with +125C rating （对比 MT25QL256ABA8E12-0AAT)
- 256 Mb density at 133 MHz quad SPI in compact 6x8 BGA （对比 MT25QL512ABB8E12-0AUT)
- Complete write-protection stack including absolute write protection （对比 W25Q256JVEIQ)
设计说明
The 24-ball T-PBGA (6x8 mm) requires a dedicated land pattern per the Micron package drawing (FBGA code RW326). Lay out the four quad-I/O SPI signals as length-matched traces where possible, keep each under 10 cm if feasible, and route CS# away from clock to minimize crosstalk-induced false chip selects. Include series termination (22-33 ohm) on the clock at the driver for 133 MHz operation. Rework requires BGA rework station and X-ray inspection - plan test points on the SPI bus before production to allow in-circuit verification.
Decouple VCC with at least one 100 nF ceramic capacitor placed within 2 mm of the BGA ball plus one 4.7-10 uF bulk capacitor per device. During page programming, flash devices draw short current bursts; insufficient decoupling can droop the rail and corrupt adjacent logic. Ensure the 3.3 V rail powers up monotonically within the datasheet ramp-rate requirement - the power-on reset protection helps, but a slow, non-monotonic ramp can still leave the device in an undefined state at first access.
256 Mb exceeds the 16 MB 3-byte addressing limit; confirm your host controller enables 4-byte addressing (or uses the extended address register) before erase/program operations, especially when second-sourcing to alternatives with different default address modes. Never assume the -0AAT (industrial) variant matches the -0AUT's +125C rating - using the wrong grade in an automotive application is a silent reliability failure. Verify command-set differences against MT25Q documentation before substituting Winbond, Macronix, or Infineon parts.
合规信息
RoHS compliant per distributor listings; AEC-Q100 qualification and -40C to +125C range cited in datasheet summaries and Micron part catalog. REACH and halogen-free status not stated in provided data.
