N25Q064A11ESEA0F - 64Mb SPI NOR Flash 1.8V 108MHz | Micron
MPN: N25Q064A11ESEA0F ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.75 | $1.75 |
| 10 | $1.62 | $16.20 |
| 100 | $1.45 | $145.00 |
| 500 | $1.31 | $655.00 |
| 1,000 | $1.19 | $1,190.00 |
N25Q064A11ESEA0F Overview
A serial NOR Flash memory is a nonvolatile semiconductor storage device that stores code and data in NOR array architecture and communicates over a serial peripheral interface (SPI). Unlike NAND Flash, NOR Flash supports random access to any address, which makes it the standard choice for storing boot code and firmware directly executable by a host MCU or processor. Within the memory hierarchy, it belongs to the Flash memory family alongside parallel NOR, NAND, and eMMC devices, and is a cornerstone component of embedded power-management and code-storage subsystems.
Key features of the N25Q064A11ESEA0F include the 64M-bit density organized as 64M x 1-bit / 32M x 2-bit / 16M x 4-bit configurations, Quad SPI operation that transfers up to 4 bits per clock cycle for high read throughput, and a fast 8 ns access specification. Manufactured on 65 nm NOR technology, the device delivers low power consumption at the 1.8V supply rail, which is essential for battery-powered and energy-sensitive automotive modules.
The device is AEC-Q100 qualified for automotive applications, reflecting stringent temperature cycling, ESD, and reliability screening. Sector and block erasability, standard SPI command compatibility, and support for Dual Output/Quad Output fast-read commands allow seamless integration with common MCU boot ROMs and FPGA configuration engines. The 8-pin SOIC Wide footprint simplifies layout and enables automated assembly.
Typical applications include automotive ECU boot code storage, FPGA configuration memory, network equipment firmware, industrial control code banks, and telematics or ADAS module data logging, where nonvolatile code storage with random access and automotive reliability is mandatory.
When designing this device, verify that the host controller supports the device command set and that erasure times are accounted for in firmware update routines; use proper pull-ups on HOLD# and WP# pins to avoid unintended state changes during power-up.
This page synthesizes verified distributor data, pricing references, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers and buyers a single decision-ready resource.
Drop-in alternatives for N25Q064A11ESEA0F — 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 N25Q064A11ESEA0F (same form factor and footprint) — differing in Interface, Memory Type, Package, Packaging, Memory Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
N25Q032A11ESEA0F
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.84 / Unit
View Datasheet →N25Q032A13EF4A0F
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.25 / Unit
View Datasheet →N25Q064A11ESEA0F
✅ Drop-In✓ In Stock
$1.19 / Unit
View Datasheet →N25Q064A11ESEA0F Maximum Ratings & Electrical Characteristics
| Memory Type | Flash - NOR Memory |
| Memory Size | 64 Mbit |
| Organization | 64M x 1-bit / 32M x 2-bit / 16M x 4-bit |
| Interface | SPI, Dual SPI, Quad SPI |
| Supply Voltage (VCC) | 1.8 V |
| Maximum Clock Frequency | 108 MHz |
| Access Time | 8 ns |
| Technology | 65 nm NOR |
| Mounting Type | Surface Mount |
| Package | 8-Pin SOIC Wide (SOIC W) |
| Packaging | Tape & Reel (T/R) |
| Qualification | Automotive, AEC-Q100 |
N25Q064A11ESEA0F Pin Configuration
| Pin 1 | S# — Chip select (active low) |
| Pin 2 | DO (DQ1) — Serial data output / Quad data line 1 |
| Pin 3 | WP# (DQ2) — Write protect / Quad data line 2 |
| Pin 4 | VSS — Ground |
| Pin 5 | DI (DQ0) — Serial data input / Quad data line 0 |
| Pin 6 | CLK — Serial clock input |
| Pin 7 | HOLD# (DQ3) — Hold / Quad data line 3 |
| Pin 8 | VCC — Power supply, 1.8 V |
Typical Applications
N25Q064A11ESEA0F is suitable for 6 applications: Automotive ECU Boot Code Storage, FPGA Configuration Memory, Industrial Control Firmware Storage, Networking Equipment Firmware, Telematics and ADAS Data Logging, Smart Metering and IoT Modules.
Automotive ECU Boot Code Storage
The N25Q064A11ESEA0F stores boot code and calibration data in automotive electronic control units, where AEC-Q100 qualification is a hard requirement. Its 1.8V rail aligns directly with the low-voltage domains of modern automotive SoCs, reducing level-shifting complexity, while the 108 MHz Quad SPI mode delivers the read throughput needed to meet ECU start-up timing windows. Random-access NOR architecture allows the MCU to execute or verify boot code directly from any address, unlike sequential NAND. Designers should budget erase/program times in the firmware update state machine and reserve a backup image region within the 64 Mbit array for fail-safe OTA updates in the vehicle.
Recommended
FPGA Configuration Memory
The 64 Mbit N25Q064A11ESEA0F serves as configuration storage for FPGAs, whose bitstreams typically range from several to tens of megabits. Quad SPI at 108 MHz moves configuration data four bits per clock, minimizing power-on configuration latency, and the 8 ns access time supports fast random reads during partial reconfiguration flows. The 1.8V supply matches the VCCO bank of low-voltage FPGA I/O, permitting direct connection without voltage translation. Place the device close to the FPGA configuration pins, keep CLK traces length-matched to data lines, and use 10k pull-ups on HOLD#/DQ3 and WP#/DQ2 so the quad data pins remain available throughout configuration.
Recommended
Industrial Control Firmware Storage
In industrial PLCs, motor drives, and automation controllers, the N25Q064A11ESEA0F provides nonvolatile firmware storage with the reliability margins required by continuous-duty equipment. The 65 nm NOR technology and AEC-Q100 screening translate into robustness beyond standard commercial-grade serial Flash, while the 64 Mbit capacity holds dual firmware banks for field updates with rollback protection. Quad SPI reads at 108 MHz reduce boot time on processors that shadow-copy code into RAM, and the 1.8V operation lowers static power in always-on supervisory circuits. Designers should protect CS and CLK routing from motor-drive switching noise and consider CRC verification of firmware images on each power-up.
Recommended
Networking Equipment Firmware
Routers, switches, and gateways use the N25Q064A11ESEA0F to store boot loaders, device trees, and golden firmware images. The 64 Mbit array comfortably holds a bootloader plus compressed OS image with a recovery partition, and Dual/Quad SPI operation lets the host CPU fetch code at up to 108 MHz to minimize cold-start latency. NOR random access supports direct parameter lookup for MAC addresses and board configuration without a full image scan. The 8-pin SOIC Wide footprint keeps board area minimal on dense line-card layouts. Maintain a hardware-protected (WP#-gated) region for the immutable bootloader so a failed OTA update can always recover the device.
Recommended
Telematics and ADAS Data Logging
Telematics units and ADAS sensor modules log event data, calibration constants, and feature unlock codes into the N25Q064A11ESEA0F. Automotive AEC-Q100 qualification is essential in these under-hood and cabin environments, and the 1.8V interface draws minimal power from battery-backup rails during key-off logging. The 64 Mbit capacity provides ample wear-managed space for frequent small writes, while the standard SPI command set simplifies driver integration with automotive MCU families. Because data logging produces program/erase cycles, firmware should implement wear leveling across erase sectors and verify endurance limits against the datasheet specification before committing to a write-interval policy.
Recommended
Smart Metering and IoT Modules
Smart meters and cellular IoT modules use the N25Q064A11ESEA0F to store firmware, security keys, and metering profiles. The 1.8V supply integrates seamlessly with battery and energy-harvesting power trees, and Quad SPI at 108 MHz accelerates secure-boot verification of large signed images. AEC-Q100 qualification provides headroom above commercial requirements for outdoor meter installations subject to thermal cycling. The 64 Mbit array supports multiple firmware slots for remote OTA campaigns with automatic rollback. Designers should gate the CS pin so the Flash stays deselected during radio transmit bursts, preventing SPI bus corruption and accidental writes from EMC-induced clock glitches.
Recommended
Recommended Products Summary
Engineering reference data for N25Q064A11ESEA0F — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | N25Q032A11ESEA0F | N25Q032A13EF4A0F | N25Q064A11ESEA0F (Alliance Memory) |
|---|---|---|---|---|
| Package | 8-Pin SOIC Wide | 8-Pin SOIC Wide - same footprint | SOIC family footprint - verify pin map | 8-Pin SOIC Wide - same footprint |
| Brand | Micron Technology | Micron Technology | Micron Technology | Alliance Memory |
| Memory Size | 64 Mbit | 32 Mbit | 32 Mbit | 64 Mbit |
| Supply Voltage | 1.8 V | 1.8 V | 3.0 V | 1.8 V |
| Max Clock Frequency | 108 MHz | 108 MHz | 108 MHz | 108 MHz |
| Interface | SPI / Dual SPI / Quad SPI | SPI / Dual SPI / Quad SPI | SPI / Dual SPI / Quad SPI | SPI / Dual SPI / Quad SPI |
Key Differentiators
- Automotive AEC-Q100 qualification in a commodity SPI footprint (vs N25Q032A11ESEA0F)
- Identical die availability from a second source (vs N25Q064A11ESEA0F (Alliance Memory))
- 1.8V operation versus 3.0V family members (vs N25Q032A13EF4A0F)
Design Notes
Power the N25Q064A11ESEA0F from a clean 1.8V rail with a 100 nF ceramic decoupling capacitor placed within 2 mm of the VCC pin (pin 8) plus a 10 uF bulk capacitor nearby. The 1.8V supply also defines the input logic thresholds - any SPI host running at 3.3V must be level-shifted or the device may be overstressed. Estimated: at typical serial Flash read currents of a few mA on a 1.8V rail, dissipation stays in the single-digit mW range, so no thermal design effort is normally required.
Connect WP# (pin 3) and HOLD# (pin 7) with 10k pull-ups to VCC so they do not float during power-up; a floating HOLD# can stall the SPI bus and a floating WP# leaves the status register writable. In Quad SPI mode these pins carry DQ2/DQ3 data, so route them as short, matched traces alongside DQ0/DQ1 and CLK, with a solid ground reference on the adjacent layer. Keep CLK stubs short to preserve signal integrity at 108 MHz.
Do not confuse voltage classes: '11' in the ordering code means 1.8V while '13' means 3.0V - substituting across classes damages the device. Also verify that the host command set matches the N25Q (Micron/Alliance) command map; JEDEC-standard SPI command numbers for erase, program, and Quad-read differ between vendors, so firmware written for Winbond or Spansion parts must be reviewed before porting. Budget erase and program times in the update state machine rather than assuming instant writes.
Compliance Information
AEC-Q100 automotive qualification is explicitly stated in distributor listings (Ampheo, Mouser, Lisleapex). RoHS/REACH/lead-free status was not stated in the provided web data and must be confirmed from the Micron product page.
