N25Q256A13ESFA0F - 256Mb SPI NOR Flash 108MHz | Micron
MPN: N25Q256A13ESFA0F ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.42 | $44.20 |
| 100 | $3.95 | $395.00 |
| 500 | $3.58 | $1,790.00 |
| 1,000 | $3.25 | $3,250.00 |
Drop-in alternatives for N25Q256A13ESFA0F — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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MT25QL256ABA8ESF-0AIT
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
N25Q256A83ESFA0F
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$2.05 / Unit
View Datasheet →N25Q512A13GSFA0F
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$5.35 / Unit
View Datasheet →N25Q512A83GSFA0F
✅ Drop-In ⚠️ 参数待验证✓ In Stock
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View Datasheet →N25Q128A13ESEA0F
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$1.65 / Unit
View Datasheet →N25Q064A13ESEA0F
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View Datasheet →N25Q256A13ESFA0F Maximum Ratings & Electrical Characteristics
| Memory Type | Serial NOR Flash (SLC) |
| Memory Size | 256 Mbit (32 MB) |
| Organization | 64M x 4 / 32M x 8 |
| Interface | SPI / Dual SPI / Quad SPI |
| Max Clock Frequency | 108 MHz |
| Supply Voltage | 2.7 V to 3.6 V |
| Technology | 65 nm NOR |
| Sector Erase Size | 4 KB |
| Special Features | Execute-In-Place (XIP), write protection |
| Mounting Type | Surface Mount |
| Package / Case | SOP2-16 (16-SOP) |
| Operating Temperature | -40C to +85C |
| Packaging | Tape & Reel (TR) |
| Grade | Automotive-qualified per distributor listing |
| RoHS Status | Compliant |
| Category | Memory ICs > Flash - NOR |
N25Q256A13ESFA0F Pin Configuration
| Pin 1 | S# — Chip select (active low) |
| Pin 2 | DQ1 (SO) — Serial data output / DQ1 in quad mode |
| Pin 3 | WP# / DQ2 — Write protect / DQ2 in quad mode |
| Pin 4 | VSS — Ground |
| Pin 5 | DQ0 (SI) — Serial data input / DQ0 in quad mode |
| Pin 6 | C (SCLK) — Serial clock input |
| Pin 7 | HOLD# / DQ3 — Hold / DQ3 in quad mode |
| Pin 8 | VCC — Power supply (2.7 V to 3.6 V) |
| Pin 9 | NC — Not connected (per datasheet) |
| Pin 10 | NC — Not connected (per datasheet) |
| Pin 11 | NC — Not connected (per datasheet) |
| Pin 12 | NC — Not connected (per datasheet) |
| Pin 13 | NC — Not connected (per datasheet) |
| Pin 14 | NC — Not connected (per datasheet) |
| Pin 15 | NC — Not connected (per datasheet) |
| Pin 16 | NC — Not connected (per datasheet) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
N25Q256A13ESFA0F is suitable for 6 applications: FPGA Configuration and Boot Flash, Industrial Embedded Controller Code Storage, Networking Equipment Firmware Storage, Automotive Telematics and Infotainment Boot Memory, Set-Top Box and Display Code Storage, Test and Measurement Instrument Storage.
FPGA Configuration and Boot Flash
The N25Q256A13ESFA0F is a primary configuration memory for FPGAs requiring 32 MB of bitstream storage. Its 108 MHz quad-SPI interface delivers the read bandwidth needed for fast configuration times, while execute-in-place (XIP) support allows soft processors to run application code directly from the Flash without a RAM copy step. The 4 KB sector erase granularity lets multiple bitstream revisions coexist with a small parameter area. Placed on the dedicated SPI configuration bus with CS# and SCK routed short and matched, it reliably meets configuration timing; dummy-cycle settings must match the selected clock frequency per the manufacturer datasheet for stable reads.
Recommended
Industrial Embedded Controller Code Storage
Industrial controllers, PLC I/O modules, and motor-drive boards store boot code, RTOS images, and web-server assets in the N25Q256A13ESFA0F. The -40C to +85C operating range covers unconditioned factory-floor environments, and SLC NOR cells on 65 nm technology provide the random-read latency and endurance expected of code storage, unlike serial NAND. The 2.7 V to 3.6 V supply connects directly to a 3.3 V rail with 100 nF local decoupling. The advanced write-protection mechanisms guard boot blocks against corruption during field firmware updates, allowing safe in-system programming while reserving a protected recovery image.
Recommended
Networking Equipment Firmware Storage
Routers, switches, and GPON equipment use the N25Q256A13ESFA0F to hold bootloader, OS image, and dual-firmware banks. The 32 MB capacity accommodates two complete firmware images plus a configuration partition, enabling safe A/B fail-over updates. Quad-I/O reads at 108 MHz minimize boot time before the network line comes up, an important metric for carrier equipment. The JEDEC-standard SPI command set shared across the N25Q family lets one bootloader support multiple density grades, simplifying BOM rationalization across product tiers. Keep DQ0-DQ3 trace lengths matched on the layout for stable quad-mode operation at full clock rate.
Recommended
Automotive Telematics and Infotainment Boot Memory
Automotive telematics units and infotainment head units store secure-boot code in SPI NOR Flash, and distributor listings categorize the N25Q256A13ESFA0F as an automotive-qualified serial NOR device with the -40C to +85C grade. The 108 MHz quad-SPI bus reduces first-boot latency, and the write-protection scheme protects boot blocks against voltage-glitch corruption during cranking events. Designers should pair it with a supervisor that holds the SPI bus reset during brownouts, and verify AEC qualification level requirements against Micron's official documentation for the specific program start date applicable to this part number.
Recommended
Set-Top Box and Display Code Storage
Set-top boxes, smart TVs, and display controllers use the N25Q256A13ESFA0F to store boot code, graphics assets, and calibration tables. The 32 MB capacity covers uncompressed splash-screen assets plus the bootloader, while 4 KB sectors allow fine-grained storage of HDCP keys and EDID data without erasing firmware banks. XIP operation lets the display scaler fetch lookup tables directly from Flash, reducing DRAM pressure. The 2.7 V to 3.6 V single-supply operation connects directly to the standby 3.3 V rail, keeping wake-from-standby boot times short because the Flash remains powered and retains content.
Recommended
Test and Measurement Instrument Storage
Bench instruments and data loggers store firmware, calibration constants, and user settings in the N25Q256A13ESFA0F. SLC NOR provides deterministic random-read latency, which keeps instrument boot and calibration recall times predictable, and the 4 KB sector size lets calibration tables be rewritten independently of the 32 MB firmware image. The advanced write-protection hardware prevents accidental corruption of factory calibration blocks during user updates. Engineers should implement power-fail-safe journaling on top of the page-program commands and hold CS# high during brownout events to avoid partial program operations corrupting stored data.
Recommended
Recommended Products Summary
Engineering reference data for N25Q256A13ESFA0F — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MT25QL256ABA8ESF-0AIT | N25Q256A83ESFA0F | N25Q512A13GSFA0F | N25Q128A13ESEA0F | N25Q064A13ESEA0F |
|---|---|---|---|---|---|---|
| Package | SOP2-16 (16-SOP) | SOP2-16 (16-SOP) - same | SOP2-16 (16-SOP) - same | SOP2-16 (16-SOP) - same | SOP2-16 (16-SOP) - same | SOP2-16 (16-SOP) - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 256 Mbit (32 MB) | 256 Mbit | 256 Mbit | 512 Mbit | 128 Mbit | 64 Mbit |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 1.7 V to 2.0 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Max Clock Frequency | 108 MHz | 108 MHz | 108 MHz | 108 MHz | 108 MHz | 108 MHz |
| I/O Modes | SPI / Dual SPI / Quad SPI (x1/x2/x4) | SPI / Dual / Quad | SPI / Dual / Quad | SPI / Dual / Quad | SPI / Dual / Quad | SPI / Dual / Quad |
| Operating Temperature | -40C to +85C | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Generation / Lifecycle | N25Q generation, active | MT25Q successor generation, active | N25Q generation, active (1.8 V) | N25Q generation, active | N25Q generation, active | N25Q generation, active |
Key Differentiators
- Current-generation N25Q architecture at 3 V (vs N25Q256A83ESFA0F)
- Next-generation migration path with same footprint (vs MT25QL256ABA8ESF-0AIT)
- Cost-optimized density point (vs N25Q512A13GSFA0F)
Design Notes
When running quad-I/O at the full 108 MHz clock, treat the SPI bus as a controlled signal-integrity interface: keep SCK and DQ0-DQ3 traces under ~10 cm where possible, length-match the four data lines, and route over a continuous ground plane. Incorrect dummy-cycle configuration for the selected frequency is the most common cause of intermittent read errors, especially after migrating between N25Q and MT25Q generations. Verify the READ dummy clocks against the manufacturer datasheet for your exact clock rate.
Power the N25Q256A13ESFA0F from a clean 3.3 V rail (2.7 V to 3.6 V range) with a 100 nF ceramic decoupling capacitor placed within a few millimeters of the VCC pin, plus a bulk 10 uF capacitor per supply group. During bulk erase operations, current spikes can cause local droop on shared rails; a brownout during program or erase can corrupt the target sector, so pair the Flash with a voltage supervisor that holds S# (CS#) high during power transitions and implement power-fail-safe journaling for critical data.
Watch the part-number voltage code when second-sourcing: '13' = 3 V class, '83' = 1.8 V class - they are physically identical in SOP2-16 but not electrically interchangeable. Also confirm the JEDEC device ID and protection-register behavior in firmware when moving between the N25Q and MT25Q generations, as command definitions and dummy clocks differ slightly. Finally, do not rely on the WP# pin alone for boot-block security; use the volatile and non-volatile protection registers described in the manufacturer datasheet.
On the 16-pin SOP2 footprint, pins 9 through 16 are unused in standard operation; tie the footprint pads to ground pour or leave them as no-connect per the datasheet to ease reflow and inspection. Provide a thermal relief pad set compatible with both the 208 mil and 300 mil 16-SO variants only if you explicitly intend multi-footprint reuse; otherwise lock the footprint to this package to prevent accidental assembly of the wrong density or voltage grade.
Compliance Information
Distributor listings categorize this part as an automotive serial NOR device; RoHS/lead-free status is typical for the N25Q family but exact REACH and halogen-free status should be confirmed from Micron's official product-compliance documentation for this specific part number.
