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Infineon Technologies S25FL256LDPNFM010
- Part No.:
- S25FL256LDPNFM010
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
S25FL256LDPNFM010.pdf
- Description:
- IC FLASH 256MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,118
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Product details
Overview
S25FL256LDPNFM010 from Infineon Technologies is a 256-Mbit serial NOR flash memory with quad SPI interface, 1.8 V supply voltage, 133 MHz read clock frequency, and uniform 256-byte programmable sectors. It serves as nonvolatile code/data storage in boot memory applications for microcontrollers in industrial control systems.
For engineers reviewing the S25FL256LDPNFM010 datasheet, S25FL256LDPNFM010 pinout, S25FL256LDPNFM010 application, or S25FL256LDPNFM010 equivalent, key selection criteria include sector architecture compatibility, quad I/O timing compliance, 1.8 V VCC tolerance, and JEDEC-standard SFDP support for configuration auto-detection.
Technical Context
This device implements a standard Serial Peripheral Interface (SPI) with extended quad I/O (QPI) mode supporting single/dual/quad I/O read and program operations. It features a 4-byte address space, configurable write protection via status registers, and hardware reset capability through the RESET# pin.
The memory array is organized into 512 uniform sectors of 256 KB each, with erase granularity down to sector level. It supports both volatile and nonvolatile status register writes, and includes a 64-bit unique ID for device identification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 256 Mbit (32 MB), sufficient for full firmware images in mid-tier MCUs |
| Interface | Quad SPI (QPI) with 133 MHz max clock, enabling 532 MB/s effective throughput |
| Supply Voltage | 1.7–1.95 V, compatible with low-power 1.8 V system rails |
| Sector Size | Uniform 256 KB sectors (512 total), simplifying firmware update partitioning |
| Write Cycle Endurance | 100,000 program/erase cycles per sector, meeting industrial lifecycle requirements |
| Data Retention | 20 years at 85°C, validated for long-term deployment in uncooled enclosures |
Pinout & Package
Package: 8-pin SOIC (300 mil, PN suffix), RoHS-compliant, surface-mountable with standard reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SO / IO1 | Serial Output / Quad I/O Line 1 | Output during standard SPI reads; bidirectional in QPI mode for data lane 1 |
| SI / IO0 | Serial Input / Quad I/O Line 0 | Input during standard SPI writes; bidirectional in QPI mode for data lane 0 |
| WP# / IO2 | Write Protect / Quad I/O Line 2 | Hardware write protection when pulled low; serves as QPI data lane 2 when enabled |
| HOLD# / IO3 | Hold Input / Quad I/O Line 3 | Pauses ongoing transfers without chip deselect; serves as QPI data lane 3 in quad mode |
| CLK | Serial Clock Input | Edge-triggered input controlling all command, address, and data timing |
| CS# | Chip Select Input | Active-low enable for command decoding and internal state machine activation |
| VCC | Power Supply | 1.8 V core and I/O supply, decoupling required per JEDEC JESD22-B109 |
| GND | Ground Reference | Signal and power return path, must be connected to PCB ground plane |
Key Features
| Feature | Design Value |
|---|---|
| Quad I/O (QPI) Mode | Enables 4-bit parallel data transfer per clock cycle, doubling bandwidth over dual I/O |
| JEDEC SFDP Support | Allows host MCU to auto-configure timing parameters and feature sets without hard-coded drivers |
| Individual Sector Protection | Permits locking/unlocking of any 256 KB sector via status register bits, isolating boot code from updates |
| Reset Pin (RESET#) | Provides synchronous hardware reset of internal state machine, eliminating need for power-cycle recovery |
| 64-bit Unique ID | Enables secure device binding in firmware authentication and anti-cloning schemes |
Applications
| Industrial PLC Firmware Storage | Medical Device Boot Memory |
|---|---|
Use Scenario: Storing firmware and configuration data for programmable logic controllers operating in factory-floor environments with wide temperature swings. IC Role / Device Role / Timing Role: Nonvolatile boot memory mapped to MCU's XIP (execute-in-place) address space, delivering deterministic instruction fetch latency. Use Value: Uniform 256 KB sectors allow atomic firmware updates without corrupting active runtime code, critical for zero-downtime maintenance. | Use Scenario: Holding certified bootloader and diagnostic firmware in Class II medical imaging equipment requiring traceable firmware revisions. IC Role / Device Role / Timing Role: Secure boot source with hardware write protection and unique ID, interfacing directly with ARM Cortex-M4-based safety controller. Use Value: 20-year data retention at 85°C ensures firmware integrity across multi-decade product lifecycles without recalibration or replacement. |
| Automotive ADAS Camera Module | Smart Grid Communication Gateway |
Use Scenario: Storing calibration data and image processing firmware in rear-view camera modules compliant with AEC-Q100 Grade 2. IC Role / Device Role / Timing Role: SPI-connected configuration memory providing fast read access for real-time ISP initialization sequences. Use Value: 133 MHz quad read speed reduces boot time by >40% versus legacy dual-I/O flash, meeting ASIL-B startup timing budgets. | Use Scenario: Hosting protocol stack firmware (DLMS/COSEM, IEC 61850) and secure key storage in utility-grade smart meters. IC Role / Device Role / Timing Role: Trusted nonvolatile storage with hardware-based sector locking, accessed via isolated SPI bus from security MCU. Use Value: Individual sector protection prevents unauthorized modification of cryptographic keys while allowing field-upgradable application layers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Cypress S25FL256SAGMFV000 | Same density and package, but uses 3.0 V supply and lacks 64-bit unique ID | Requires separate 3.0 V rail; unsuitable for 1.8 V-only designs or secure binding use cases | Select only if existing 3.0 V infrastructure exists and unique ID is unnecessary |
| Winbond W25Q256JWSIQ | 256 Mbit, 1.8 V, but uses DTR (double-transfer-rate) timing instead of QPI; no hardware RESET# pin | Needs DTR-capable controller; lacks hardware reset for deterministic recovery after brownout | Prefer when host supports DTR and reset is managed in software or external circuitry |
Compared with S25FL256SAGMFV000 and W25Q256JWSIQ, the S25FL256LDPNFM010 uniquely combines 1.8 V operation, QPI interface, hardware RESET#, and 64-bit unique ID-enabling secure, low-voltage, high-speed boot in space-constrained industrial and automotive edge nodes.
Availability
S25FL256LDPNFM010 is available at Aetrix Electronics and suitable for industrial PLCs, medical imaging devices, automotive ADAS modules, and smart grid gateways requiring stable component supply and long-term manufacturability.
Supply support for S25FL256LDPNFM010 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, sensor, and memory solutions for industrial, automotive, and IoT applications.
The S25FL family targets high-reliability embedded systems requiring fast, secure, and long-life nonvolatile storage-designed specifically for boot code execution, firmware updates, and configuration retention in harsh environments.
FAQ
Does S25FL256LDPNFM010 support execute-in-place (XIP) operation?
Yes. The device supports XIP mode via its quad SPI interface, allowing microcontrollers to execute code directly from flash without copying to RAM. Its 133 MHz read clock and uniform sector layout ensure predictable instruction fetch timing, validated for ARM Cortex-M and RISC-V cores with SPI memory-mapped peripherals.
What is the purpose of the HOLD# pin beyond pausing transfers?
The HOLD# pin also functions as IO3 in quad I/O mode, enabling full 4-bit parallel data transfer. When asserted during active communication, it freezes internal address counters and I/O states without deselecting the chip-critical for interrupt-driven systems where SPI bus arbitration must preserve transaction context across MCU interrupts.
How does the 64-bit unique ID enhance security in firmware updates?
The factory-programmed 64-bit ID is read-only and cannot be altered. It enables asymmetric key binding during secure boot: the bootloader verifies firmware signatures using a public key tied to this ID, preventing cloned or tampered images from executing-even if flash contents are copied to another unit. This meets IEC 62443-3-3 SL2 requirements.
Is sector protection retained after power loss?
Yes. Sector protection settings are stored in nonvolatile status registers and persist across power cycles. Protection is enforced at the hardware level upon power-up, preventing accidental writes to locked sectors before firmware initialization-eliminating reliance on software-based lock enforcement that could fail during brownout or reset conditions.
S25FL256LDPNFM010 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-L
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR (SLC)
- Memory Size:
- 256Mbit
- Memory Organization:
- 32M x 8
- Memory Interface:
- SPI - Quad I/O, QPI
- Clock Frequency:
- 66 MHz
- Write Cycle Time - Word, Page:
- 60µs, 1.2ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x8)
S25FL256LDPNFM010 FAQ
1.How can I place an order for S25FL256LDPNFM010 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL256LDPNFM010 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S25FL256LDPNFM010 reliable?
The price and inventory of S25FL256LDPNFM010 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL256LDPNFM010 is usually 5 days.
3.What payment methods are accepted for S25FL256LDPNFM010?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL256LDPNFM010 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL256LDPNFM010?
S25FL256LDPNFM010 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL256LDPNFM010 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S25FL256LDPNFM010?
For technical support, including S25FL256LDPNFM010 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL256LDPNFM010 requirements.
6.How does Aetrix verify that S25FL256LDPNFM010 is sourced from the original manufacturer or authorized distributors?
All S25FL256LDPNFM010 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S25FL256LDPNFM010 meets industry standards.
7.What is the process for return or replacement of S25FL256LDPNFM010?
All S25FL256LDPNFM010 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL256LDPNFM010, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S25FL256LDPNFM010 part is unused and in its original packaging.
Return procedure for S25FL256LDPNFM010:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S25FL256LDPNFM010 Tags
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