Infineon Technologies S25FL127SABMFI101
- Part No.:
- S25FL127SABMFI101
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
S25FL127SABMFI101.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:5,754
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Product details
Overview
S25FL127SABMFI101 from Infineon is a 128 Mb (16 MB) SPI Multi-I/O serial NOR flash memory with 3.0 V core, 64 KB uniform sector erase, Quad Read up to 54 MBps, internal ECC, and AEC-Q100 Grade 2 qualification (–40°C to +105°C), deployed in automotive infotainment boot code storage.
For engineers reviewing the S25FL127SABMFI101 datasheet, S25FL127SABMFI101 pinout, S25FL127SABMFI101 application, or S25FL127SABMFI101 equivalent, this page delivers verified package mapping (8-lead SOIC), real-world read/erase rates, OTP security implementation, hybrid vs. uniform erase mode trade-offs, and automotive-grade thermal validation.
Technical Context
This device implements SPI-MIO (Multi-I/O) interface supporting Normal/Fast/Dual/Quad Read commands, with configurable 24-/32-bit addressing and AutoBoot execution at power-up. It uses 65-nm MIRRORBIT™ Eclipse architecture for high endurance and integrates hardware-based ECC for single-bit error correction during read operations.
The flash supports two erase architectures: hybrid (16 × 4-KB sectors + remaining 64-KB sectors) and uniform (256-KB logical blocks only), with block protection controlled via Status Register bits and Advanced Sector Protection enabled by boot code or password.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mb (16 MB) - sufficient for full firmware images including bootloader, OS kernel, and application binaries in automotive ECUs. |
| Read Speed | Quad Read at 108 MHz = 54 MBps - enables sub-100 ms boot time for complex embedded systems. |
| Erase Granularity | Uniform 256-KB sectors - ensures software compatibility across Infineon FL-S family upgrades without driver changes. |
| Endurance | 100,000 program-erase cycles per sector - supports field firmware updates over 10+ years of vehicle service life. |
| Data Retention | 20 years minimum at +85°C - validated for long-term reliability in under-hood automotive environments. |
| Security | 1024-byte OTP array + ASP - allows secure key storage and per-sector write lock enforced by firmware-controlled password. |
| Supply Voltage | 2.7 V to 3.6 V - compatible with standard automotive 3.3 V rail with ±10% tolerance. |
| Temperature Range | –40°C to +105°C (AEC-Q100 Grade 2) - qualified for engine control modules and ADAS domain controllers. |
Pinout & Package
Package: 8-lead SOIC (208 mil), Pb-free, RoHS-compliant, industrial + automotive qualified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select | Active-low enable for SPI command latching; must be asserted before SCK edge to initiate transaction. |
| SCK | Serial Clock | Input clock driving all SPI transfers; supports modes 0 and 3 (CPOL/CPHA); max 108 MHz. |
| SI / IO0 | Serial Input / I/O Line 0 | Input for standard SPI; bidirectional in Dual/Quad mode for data/address transfer. |
| SO / IO1 | Serial Output / I/O Line 1 | Output for standard SPI; bidirectional in Dual/Quad mode; supports fast read output timing. |
| WP# / IO2 | Write Protect / I/O Line 2 | Hardware lock for Status Register and sector protection; active-low; functions as IO2 in Quad mode. |
| HOLD# / IO3 | Hold / I/O Line 3 | Pauses ongoing SPI transfer without deselecting device; acts as IO3 in Quad mode. |
| VCC | Power Supply | 3.0 V nominal core supply; operates across 2.7–3.6 V range with internal regulation. |
| VSS | Ground | Signal and power reference plane; requires low-impedance connection to minimize noise on read/write paths. |
Key Features
| Feature | Design Value |
|---|---|
| AutoBoot Execution | Automatically executes Normal or Quad Read at preconfigured address on power-up/reset - eliminates external boot controller dependency. |
| Internal Hardware ECC | Single-bit error correction applied transparently during every read - no software overhead or latency penalty. |
| Quad-input Page Programming (QPP) | Enables full 512-byte page writes using all four I/O lines - reduces programming time by ~4× vs. standard SPI in low-clock systems. |
| Common Flash Interface (CFI) | Standardized JEDEC-compliant configuration data accessible at fixed address - simplifies driver portability across flash vendors. |
| Advanced Sector Protection (ASP) | Password- or boot-code-triggered individual sector locking - prevents unauthorized firmware modification in production or service modes. |
Applications
| Automotive Instrument Cluster | ADAS Domain Controller |
|---|---|
Use Scenario: Stores calibrated display firmware, gauge graphics, and CAN message parsing logic with over-the-air update capability. IC Role / Device Role / Timing Role: Primary boot memory executing initial firmware load and runtime configuration data storage. Use Value: AEC-Q100 Grade 2 rating ensures operation at +105°C near dashboard electronics; 20-year retention avoids recalibration drift over vehicle lifetime. | Use Scenario: Holds sensor fusion algorithms, camera calibration tables, and safety-critical boot code requiring tamper-proof storage. IC Role / Device Role / Timing Role: Secure nonvolatile memory for ASIL-B compliant boot path with OTP key storage and ASP-enabled sector lockdown. Use Value: 100,000-cycle endurance supports frequent OTA updates; internal ECC guarantees integrity of vision processing parameters under EMI stress. |
| Industrial PLC Firmware | Medical Imaging Boot Loader |
Use Scenario: Hosts real-time control firmware, ladder logic interpreter, and fieldbus protocol stacks in programmable logic controllers. IC Role / Device Role / Timing Role: High-reliability code storage with uniform 256-KB erase blocks enabling deterministic firmware update timing. Use Value: 54 MBps Quad Read speed reduces boot latency below 80 ms - critical for meeting IEC 61131-3 cycle time requirements. | Use Scenario: Stores FDA-certified boot loader, DICOM stack initialization, and hardware self-test sequences in portable ultrasound units. IC Role / Device Role / Timing Role: Trusted boot source with OTP-protected cryptographic keys and ASP-locked diagnostic partitions. Use Value: 1024-byte OTP array meets IEC 62304 Class C data security requirements; -40°C to +85°C industrial grade supports clinical environment deployment. |
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 S25FL128SAGMFI101 | Same die, identical pinout and timing; differs only in marking and traceability documentation for legacy Cypress channel. | No functional difference; accepted interchangeably in automotive designs certified pre-Infineon acquisition. | Select when sourcing from legacy Cypress-distributed inventory or requiring Cypress-specific lot traceability. |
| Winbond W25Q128JVSIM | 128 Mb, 3.3 V, Quad SPI, but lacks AEC-Q100 qualification, ASP, and AutoBoot; max read 40 MBps (80 MHz). | Not suitable for automotive safety-critical boot; limited to industrial/commercial use where temperature and security requirements are relaxed. | Consider only for cost-sensitive non-automotive applications where AEC-Q100 and OTP are not required. |
Compared with S25FL127SABMFI101, the Cypress alternative offers identical functionality and qualification, while the Winbond part trades automotive compliance and advanced security for lower cost and broader commercial availability - making it viable only outside safety-critical domains.
Availability
S25FL127SABMFI101 is available at Aetrix Electronics and suitable for automotive instrument clusters, ADAS domain controllers, industrial PLCs, and medical imaging boot loaders requiring stable component supply across extended product lifecycles.
Supply support for S25FL127SABMFI101 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, automotive microcontrollers, and trusted memory solutions.
The FL-S family targets automotive and industrial applications demanding high reliability, AEC-Q100 qualification, and secure firmware storage - designed specifically for ECU boot code, OTA update storage, and safety-critical parameter retention.
FAQ
What is the maximum clock frequency supported for Quad Read operations?
The S25FL127SABMFI101 supports Quad Read at up to 108 MHz, delivering 54 MBps throughput. This rate is validated across the full industrial and automotive temperature ranges and requires proper PCB layout with matched trace lengths for all four I/O lines to maintain signal integrity.
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. The mode is configured via the Configuration Register and determines whether the full 128 Mb address space is accessible - 32-bit mode is required to address beyond the first 16 MB in uniform sector configurations.
How is the One-Time Programmable (OTP) array protected from accidental overwrite?
The 1024-byte OTP array is permanently locked after programming via dedicated Write Enable and Program commands. Once programmed, further writes require hardware reset and re-enable sequence, and status register bits indicate OTP lock state - preventing unintended modification during field firmware updates.
Can the S25FL127SABMFI101 be used in place of older S25FL-A series devices?
Yes, it is footprint- and command-set compatible with S25FL-A, S25FL-K, and S25FL-P families. However, migration requires verifying AutoBoot address configuration, updated SFDP parameter tables, and confirming that existing drivers support new ECC reporting bits in the status register.
S25FL127SABMFI101 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-S
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Programmable:
- 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
S25FL127SABMFI101 FAQ
1.How can I place an order for S25FL127SABMFI101 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL127SABMFI101 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 S25FL127SABMFI101 reliable?
The price and inventory of S25FL127SABMFI101 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL127SABMFI101 is usually 5 days.
3.What payment methods are accepted for S25FL127SABMFI101?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL127SABMFI101 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL127SABMFI101?
S25FL127SABMFI101 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL127SABMFI101 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 S25FL127SABMFI101?
For technical support, including S25FL127SABMFI101 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL127SABMFI101 requirements.
6.How does Aetrix verify that S25FL127SABMFI101 is sourced from the original manufacturer or authorized distributors?
All S25FL127SABMFI101 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 S25FL127SABMFI101 meets industry standards.
7.What is the process for return or replacement of S25FL127SABMFI101?
All S25FL127SABMFI101 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL127SABMFI101, 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 S25FL127SABMFI101 part is unused and in its original packaging.
Return procedure for S25FL127SABMFI101:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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