N25Q256A13E12A0F - 256Mb SPI NOR Flash, 108MHz | Micron
料号： N25Q256A13E12A0F ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
N25Q256A13E12A0F 概述
Serial NOR Flash is a nonvolatile memory category within the flash memory hierarchy (NOR Flash -> serial NOR Flash -> SPI Flash -> nonvolatile semiconductor memory). Unlike parallel NOR or NAND Flash, serial NOR devices communicate over a compact SPI bus (with single, dual, and quad I/O modes in this Multiple I/O family), which dramatically reduces pin count, PCB area, and routing complexity. This makes SPI NOR Flash the de facto standard for code storage (XIP, execute-in-place) next to microcontrollers, FPGAs, and networking processors.
Key differentiating features of the N25Q256A13E12A0F include its 256Mb density, 108 MHz SPI clock rate (enabling quad I/O transfers for high read throughput), 4KB sector erase granularity for efficient in-field firmware updates, and an industrial-to-automotive-adjacent -40C to +125C operating range. The 24-ball T-PBGA (6x8) footprint keeps the memory close to the host processor for signal integrity at high clock rates.
Technically, the device is part of the Micron N25Q Multiple I/O Serial Flash family, which adds dual-output/dual-I/O and quad-output/quad-I/O SPI commands on top of standard single-I/O SPI. The 4KB sector organization (as stated in the 3V, 256Mb Multiple I/O Serial Flash datasheet) allows fine-grained erase before program, which is important for parameter storage blocks that coexist with a large boot image. SLC architecture provides higher endurance and wider temperature margin than multi-level cell alternatives.
Typical applications include FPGA configuration storage, BIOS/UEFI boot code in embedded x86 platforms, firmware storage in industrial drives and networking line cards, and automotive infotainment clusters needing reliable code execution over temperature.
Design consideration: for execute-in-place at 108 MHz, keep SPI traces short and matched; for maximum throughput in code-shadowing scenarios, prefer quad I/O commands so effective read bandwidth approaches four times the single-I/O SPI rate.
This page synthesizes distributor availability data, cross-reference findings, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： N25Q256A13E12A0F ——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： N25Q256A13E12A0F （相同外形与封装尺寸） ——差异在于 Package, Interface, Memory Type, Packaging, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
N25Q064A13E12A0F
✅ 直接替换✓ 有现货
$2.85 / 个
查看数据手册 →N25Q128A13E12A0F
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.52 / 个
查看数据手册 →N25Q128A13ESEA0F
✅ 直接替换✓ 有现货
$1.65 / 个
查看数据手册 →N25Q064A13ESEA0F
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →N25Q032A13EF4A0F
✅ 直接替换✓ 有现货
$1.25 / 个
查看数据手册 →N25Q256A13E12A0F 最大额定值与电气特性
| 存储器类型 | NOR Flash, Serial SPI |
| Density | 256 Mbit (32 MB) |
| 存储组织 | 64M x 4 (Mouser listing); 32M x 8 per FindIC listing - see validation note |
| 电源电压 | 2.7 V to 3.6 V |
| Max SPI Clock Frequency | 108 MHz |
| I/O Modes | Single, Dual, Quad I/O (Multiple I/O Serial Flash) |
| Technology | SLC (Single-Level Cell) |
| Sector Erase Size | 4 KB |
| 封装 | 24-ball T-PBGA (6x8 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +125C |
| Access Time | 8 ns (per FindIC listing) |
| RoHS 状态 | Compliant |
| Packaging | Tape & Reel (TR suffix) |
N25Q256A13E12A0F 24-ball t-pbga (6x8 mm) 引脚配置指南
N25Q256A13E12A0F（24-ball t-pbga (6x8 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： N25Q256A13E12A0F.
请参阅 数据手册 以查看完整引脚配置。
典型应用
N25Q256A13E12A0F 适用于 6 应用s: FPGA Configuration Storage, BIOS/UEFI Boot Firmware Storage, Industrial Networking Line Cards, Automotive-Adjacent Infotainment and Clusters, Embedded Drive and SSD Controller Firmware, IoT Gateways and Smart Industrial Sensors.
FPGA Configuration Storage
The N25Q256A13E12A0F stores FPGA bitstreams for high-density devices, where its 256Mb capacity accommodates multiple configuration images plus partial-reconfiguration partitions. Quad I/O mode at the 108 MHz maximum clock compresses configuration time versus single-I/O SPI, reducing the visible power-on latency of the system. In the circuit, the Flash connects directly to the FPGA's dedicated configuration SPI master through short, length-matched traces; the 24-ball T-PBGA (6x8 mm) footprint allows placement within a few millimeters of the FPGA ball field. Its 4KB sector erase supports fine-grained update of a golden-image region without erasing the active bitstream, improving field-update reliability.
推荐
BIOS/UEFI Boot Firmware Storage
Embedded x86 and ARM server platforms use serial NOR Flash for BIOS/UEFI code, and the N25Q256A13E12A0F's 32MB capacity fits modern firmware images that include UEFI drivers, option ROMs, and recovery partitions. The 2.7V-3.6V supply integrates directly with the platform's 3.3V rail, and quad I/O at up to 108 MHz speeds POST-time code shadowing into DRAM. SLC technology provides the high endurance needed for frequent BIOS settings rewrites in the 4KB sectors reserved for NVRAM variables. The -40C to +125C rating covers uncontrolled server-room and edge-computing thermal environments where commercial-grade parts would be marginal.
推荐
Industrial Networking Line Cards
Switch, router, and industrial Ethernet line cards store firmware, MAC/PHY configuration, and logs in serial NOR Flash; the N25Q256A13E12A0F fits this role with 256Mb of SLC storage and a 108 MHz quad-I/O interface for fast boot of management processors. The -40C to +125C operating range satisfies industrial temperature requirements for factory-floor and outdoor telecom cabinets. The 4KB sector erase architecture lets networking firmware maintain a small parameter/log region alongside the main code image without wholesale image erasure, extending useful life. The 24-ball T-PBGA reflow-solderable package withstands industrial assembly and vibration profiles.
推荐
Automotive-Adjacent Infotainment and Clusters
Digital instrument clusters and infotainment head units require nonvolatile code storage that survives automotive thermal profiles; the N25Q256A13E12A0F's -40C to +125C rating addresses these environments for infotainment-adjacent (non-safety-critical) storage. Its 256Mb SLC capacity holds graphics boot code, fonts, and calibration tables, while quad SPI at 108 MHz supports quick logo-to-display boot times that clusters demand. Designers should confirm the specific qualification level required by their OEM; where AEC-Q100 certification is contractual, the corresponding Micron automotive-qualified variant must be selected instead of this industrial-grade part.
推荐
Embedded Drive and SSD Controller Firmware
Storage controllers in embedded SSDs and industrial drives keep boot firmware and firmware-update images in external serial NOR Flash. The N25Q256A13E12A0F provides 256Mb, enough for dual-bank firmware schemes enabling safe over-the-air controller updates with rollback. SLC endurance in 4KB sectors supports frequent logging of drive health and wear data. The 2.7V-3.6V supply matches standard 3.3V drive rails, and the small 24-ball T-PBGA (6x8 mm) package fits on dense controller boards where board area is at a premium. Quad I/O shortens controller startup, reducing perceived drive latency at system power-on.
推荐
IoT Gateways and Smart Industrial Sensors
IoT gateways aggregate sensor data and require reliable local code and certificate storage; the N25Q256A13E12A0F's 32MB SLC array holds the gateway OS bootloader, TLS certificates, and update staging images. The 108 MHz quad-I/O interface accelerates secure-boot verification, and the 4KB sector granularity enables fine-grained management of small certificate and configuration objects without erasing the main image. The -40C to +125C range supports unheated enclosures in smart-factory and outdoor deployments. Its reflow-compatible 24-ball T-PBGA package suits standard automated assembly lines used in volume IoT hardware production.
推荐
推荐产品汇总
工程参考数据： N25Q256A13E12A0F ——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 | N25Q064A13E12A0F | N25Q128A13E12A0F | N25Q128A13ESEA0F | N25Q064A13ESEA0F | N25Q032A13EF4A0F |
|---|---|---|---|---|---|---|
| Package | 24-ball T-PBGA (6x8 mm) | 24-ball T-PBGA (6x8 mm) - same footprint | 24-ball T-PBGA (6x8 mm) - same footprint | N25Q family T-PBGA - verify suffix | N25Q family T-PBGA - verify suffix | N25Q family - verify EF4 package suffix |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 256 Mbit (32 MB) | 64 Mbit (8 MB) | 128 Mbit (16 MB) | 128 Mbit (16 MB) | 64 Mbit (8 MB) | 32 Mbit (4 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 | 2.7 V to 3.6 V |
| Density Match for 32MB Images | Yes (native) | No - 8 MB only | No - 16 MB only | No - 16 MB only | No - 8 MB only | No - 4 MB only |
关键差异点
- 4x the capacity of the same-footprint 64Mb option （对比 N25Q064A13E12A0F)
- Extended -40C to +125C operation （对比 N25Q064A13E12A0F)
- SLC reliability with 4KB sector granularity （对比 N25Q128A13E12A0F)
设计说明
At the 108 MHz maximum SPI clock, treat the quad-I/O bus (SCK, CS#, DQ0-DQ3) as a moderately fast digital interface: keep traces under ~50 mm where possible, maintain ground reference continuity, and series-terminate the clock if ringing is observed. The 24-ball T-PBGA's short internal bond wires help, but via stubs and connectorized SPI routing can degrade eyes at full speed. If long traces are unavoidable, verify timing margin at 54 MHz as a fallback and confirm the host controller supports the reduced clock without driver changes.
Decouple VCC with at least 100 nF ceramic directly at the ball-side via pair plus a 4.7 uF bulk capacitor per device. Program and erase operations draw current bursts well above the read current; shared 3.3V rails with sensitive analog circuitry may see droop during 4KB sector erase. Confirm exact ICC program/erase figures in the Micron datasheet (not stated in the retrieved listing data) before finalizing rail budgeting, and sequence power so VCC is stable before the first chip-select assertion to avoid undefined command states.
Above 16MB, the full 32MB array requires 4-byte addressing; many legacy SPI host controllers default to 3-byte addressing and silently wrap addresses at 16MB, corrupting images in the upper half. Verify your controller or bootloader enables 4-byte address mode (or uses the appropriate extended-address register commands) before committing the design. Also match the exact temperature-grade suffix when ordering substitutes: variants with different suffix codes may be rated only to +85C even though the footprint is identical.
合规信息
RoHS compliance stated on Ampheo distributor listing ('24-ball T-PBGA, RoHS'). REACH, lead-free, halogen-free, and conflict-minerals declarations were not present in the verified data; request certificates from Micron.
