Infineon Technologies S25FL127SABMFI100
- Part No.:
- S25FL127SABMFI100
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
S25FL127SABMFI100.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:1,581
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Product details
Overview
S25FL127SABMFI100 from Infineon is a 128 Mb (16 MB) serial NOR flash memory IC with SPI Multi-I/O interface, 3.0 V core supply, and 65-nm MIRRORBIT™ Eclipse architecture. It supports Quad Read at up to 54 MBps, 256/512-byte page programming with hardware ECC, and hybrid/uniform sector erase options. Used in industrial embedded boot storage for microcontrollers requiring fast, reliable nonvolatile code storage.
For engineers reviewing the S25FL127SABMFI100 datasheet, S25FL127SABMFI100 pinout, S25FL127SABMFI100 application, or S25FL127SABMFI100 equivalent, key selection criteria include Quad I/O read performance, OTP security array size, AEC-Q100 Grade 2 qualification, and 24-/32-bit addressing mode support.
Technical Context
This device implements SPI-MIO (Multi-Input/Output) with configurable clock polarity/phase (modes 0 and 3), enabling dual- and quad-line data transfers. It integrates CFI and JEDEC JESD216B SFDP for standardized configuration discovery and supports AutoBoot execution from preselected addresses on power-up or reset.
The internal ECC engine performs single-bit error correction during read operations without software intervention, and the hybrid sector architecture provides sixteen 4-KB sectors at top/bottom plus 64-KB sectors elsewhere - enabling flexible firmware partitioning for bootloader + application image separation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mb (16 MB) - sufficient for full MCU boot images and firmware updates in space-constrained designs |
| Read Speed (Quad) | 54 MBps at 108 MHz - enables sub-300 ms full-image load for real-time boot requirements |
| Erase Endurance | 100,000 cycles per sector - supports field firmware update frequency up to daily over 27 years |
| Data Retention | 20 years minimum - ensures long-term reliability in unpowered storage for industrial deployments |
| OTP Array | 1024 bytes one-time programmable - used for secure key storage or device-specific calibration data |
| Supply Voltage | 2.7 V to 3.6 V - compatible with standard 3.3 V logic rails and tolerant of brown-out conditions |
| Temperature Range | –40°C to +105°C (Industrial Plus) - qualified for extended thermal environments without derating |
Pinout & Package
Package: 8-lead SOIC (208 mil), Pb-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select | Active-low enable for SPI command decoding; must be asserted before each command sequence |
| SCK | Serial Clock | Master-generated clock up to 108 MHz; phase/polarity configurable for SPI modes 0/3 |
| SI / IO0 | Serial Input / I/O Line 0 | Primary input for command/address/data in single/dual/quad modes; bidirectional in multi-I/O |
| SO / IO1 | Serial Output / I/O Line 1 | Primary output for read data; bidirectional in dual/quad modes with SI |
| WP# / IO2 | Write Protect / I/O Line 2 | Hardware lock for status register and sector protection; functions as IO2 in quad mode |
| HOLD# / IO3 | Hold / I/O Line 3 | Pauses ongoing transfer without deselecting device; repurposed as IO3 in quad mode |
| VCC | Power Supply | 3.0 V nominal core supply; operates across full 2.7–3.6 V range with no external regulation needed |
| VSS | Ground | Signal and power reference plane; requires low-impedance connection to minimize noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| AutoBoot Execution | Automatically initiates Normal or Quad Read from user-defined address on power-up/reset - eliminates host CPU boot delay |
| Hardware ECC | On-the-fly single-bit error correction during reads - removes need for software CRC layers or redundant storage |
| Hybrid Sector Architecture | 16 × 4-KB sectors + remaining 64-KB sectors - enables atomic bootloader updates without erasing application code |
| Quad-input Page Programming (QPP) | Enables high-speed programming even with low-frequency system clocks - reduces host timing constraints |
| Advanced Sector Protection (ASP) | Password- or boot-code-controlled individual sector locking - prevents unauthorized firmware modification in field-deployed units |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing firmware and configuration data in programmable logic controllers operating continuously in factory environments. IC Role / Device Role / Timing Role: Nonvolatile boot memory providing deterministic startup within 250 ms after power-on. Use Value: 20-year data retention and 100K erase cycles ensure >15-year field life without replacement under daily firmware update cycles. | Use Scenario: Holding boot code and safety-critical sensor calibration tables in automotive camera ECU modules. IC Role / Device Role / Timing Role: AEC-Q100 Grade 2 qualified SPI flash delivering verified boot integrity at –40°C to +105°C. Use Value: Hardware ECC and OTP array protect against bit flips and tampering, meeting ISO 26262 ASIL-B requirements. |
| Medical Imaging System BIOS | Network Edge Router Configuration |
Use Scenario: Storing diagnostic boot firmware and regulatory-compliant calibration profiles in portable ultrasound devices. IC Role / Device Role / Timing Role: Secure, high-reliability code storage with 1024-byte OTP for cryptographic keys and device identity. Use Value: Block protection and ASP prevent accidental or malicious reprogramming during service or field upgrades. | Use Scenario: Hosting boot loader, OS kernel, and configuration scripts in carrier-grade edge routers with zero-downtime upgrade capability. IC Role / Device Role / Timing Role: Dual- and quad-mode SPI interface enabling <300 ms firmware load time for rapid failover recovery. Use Value: Uniform 256-KB erase blocks ensure compatibility with Linux MTD drivers and Yocto build systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Cypress S25FL128SAGMFI100 | Same die, identical pinout and command set; differs only in marking and traceability documentation | No functional difference; used interchangeably in legacy designs prior to Infineon acquisition | Select when sourcing from pre-acquisition inventory or for BOM continuity in existing designs |
| Winbond W25Q128JVSIM | 128 Mb density, but lacks AutoBoot, hardware ECC, and ASP; uses standard SPI (no MIO) | Suitable for cost-sensitive consumer applications where ECC and secure boot are not required | Choose only if design does not require deterministic boot timing, field-upgrade security, or extended temperature operation |
Compared with S25FL127SABMFI100, the Cypress alternative offers full functional equivalence with identical qualification, while the Winbond part trades security and reliability features for lower cost and simpler interface - making it unsuitable for industrial or automotive use cases demanding certified endurance and protection.
Availability
S25FL127SABMFI100 is available at Aetrix Electronics and suitable for industrial control systems, automotive ADAS modules, and medical imaging equipment requiring stable component supply, long-life qualification, and AEC-Q100 compliance.
Supply support for S25FL127SABMFI100 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 is a German semiconductor manufacturer specializing in power management, sensing, and connectivity solutions for industrial, automotive, and IoT markets.
This device belongs to the FL-S family of high-performance serial NOR flash memories designed specifically for deterministic boot, secure firmware storage, and extended-temperature operation in mission-critical embedded systems.
FAQ
What is the maximum clock frequency supported for Quad Read operations?
The S25FL127SABMFI100 supports Quad Read at up to 108 MHz, delivering 54 MBps throughput. This is validated across the full industrial plus temperature range (–40°C to +105°C) and requires proper PCB layout with matched trace lengths and controlled impedance for all four I/O lines.
Does this device support both 24-bit and 32-bit addressing modes?
Yes - the device supports extended addressing with selectable 24-bit or 32-bit address modes via configuration register bits. 32-bit mode is required to access the full 128 Mb address space; 24-bit mode limits access to the first 16 MB, maintaining backward compatibility with legacy SPI flash controllers.
How is the 1024-byte OTP array physically implemented and protected?
The OTP array resides in a dedicated, isolated silicon region with permanent fuse-based programming. Once programmed, bits cannot be reset. Access is restricted by status register lock bits and requires explicit unlock sequences - preventing accidental or unauthorized writes during normal operation or field servicing.
Can the hybrid sector erase option be configured dynamically during runtime?
No - the hybrid vs. uniform sector architecture is fixed at wafer fabrication and cannot be changed in-system. The device ships with hybrid sector mapping enabled; uniform erase behavior is achieved through command selection (e.g., 256-KB block erase command), not configuration register changes.
S25FL127SABMFI100 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-S
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 128Mbit
- Memory Organization:
- 16M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 108 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
S25FL127SABMFI100 FAQ
1.How can I place an order for S25FL127SABMFI100 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL127SABMFI100 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 S25FL127SABMFI100 reliable?
The price and inventory of S25FL127SABMFI100 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL127SABMFI100 is usually 5 days.
3.What payment methods are accepted for S25FL127SABMFI100?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL127SABMFI100 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL127SABMFI100?
S25FL127SABMFI100 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL127SABMFI100 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 S25FL127SABMFI100?
For technical support, including S25FL127SABMFI100 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL127SABMFI100 requirements.
6.How does Aetrix verify that S25FL127SABMFI100 is sourced from the original manufacturer or authorized distributors?
All S25FL127SABMFI100 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 S25FL127SABMFI100 meets industry standards.
7.What is the process for return or replacement of S25FL127SABMFI100?
All S25FL127SABMFI100 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL127SABMFI100, 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 S25FL127SABMFI100 part is unused and in its original packaging.
Return procedure for S25FL127SABMFI100:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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