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Infineon Technologies S25FL127SABMFB101
- Part No.:
- S25FL127SABMFB101
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
S25FL127SABMFB101.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,637
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Product details
Overview
S25FL127SABMFB101 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, hardware ECC, hybrid/uniform erase options, and operates from –40°C to +105°C in industrial-plus temperature grade. Used for firmware storage in embedded controllers requiring fast boot and secure code execution.
For engineers reviewing the S25FL127SABMFB101 datasheet, S25FL127SABMFB101 pinout, S25FL127SABMFB101 application, or S25FL127SABMFB101 equivalent, key selection factors include Quad I/O read performance, OTP security array size, sector protection granularity, AEC-Q100 Grade 2 qualification, and compatibility with S25FL-P family footprint and command set.
Technical Context
This device implements a SPI-MIO interface supporting clock modes 0 and 3, 24-/32-bit addressing, and AutoBoot functionality that executes a preconfigured Normal or Quad Read at power-up/reset. Its internal ECC engine performs single-bit error correction automatically during read operations without software overhead.
The flash array uses hybrid sector architecture - sixteen 4-KB sectors at top/bottom of address space plus remaining 64-KB sectors - or uniform 256-KB logical sectors for legacy software compatibility. Configuration registers control protection, I/O mode, and timing parameters via standard SPI commands.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mb (16 MB) - sufficient for full firmware images including bootloader, RTOS, and application binaries in resource-constrained microcontrollers. |
| Read Speed (Quad) | 54 MBps at 108 MHz - enables sub-300 ms boot time for 16 MB firmware when used with compatible host controller. |
| Erase Options | Hybrid (4 KB + 64 KB) or Uniform (256 KB) sectors - allows fine-grained updates or simplified driver porting across density generations. |
| Endurance | 100,000 program-erase cycles per sector - supports field firmware updates over 10+ years in industrial gateways. |
| Data Retention | 20 years minimum at +85°C - ensures long-term reliability in unattended edge devices without refresh mechanisms. |
| Security | 1024-byte OTP array + ASP + status register block protection - enables secure key storage and immutable boot code locking. |
| Supply Range | 2.7 V to 3.6 V - compatible with standard 3.3 V logic rails and tolerant of brown-out conditions in battery-backed systems. |
| Temp Grade | Industrial Plus (–40°C to +105°C) - qualified for under-hood automotive ECUs and high-ambient industrial PLCs. |
Pinout & Package
Package: 8-contact WSON (6 mm × 5 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select Input | Active-low enable for SPI command decoding; must be asserted before SCK rising edge to initiate transaction. |
| SCK | Serial Clock Input | Drives all timing for command, address, and data transfers; supports up to 108 MHz for Quad Read. |
| IO0 | Serial Input / I/O0 | Bi-directional data line used for command/address input and data output in single/dual/quad modes. |
| IO1 | Serial Output / I/O1 | Bi-directional data line; outputs data during read, inputs during write/erase commands in multi-I/O modes. |
| IO2 | Write Protect / I/O2 | Hardware write protection enable when low; also functions as third I/O line in dual/quad protocols. |
| IO3 | Hold / I/O3 | Pauses ongoing serial transfer without resetting internal state; doubles as fourth I/O line in Quad mode. |
| VCC | Power Supply | 3.0 V nominal core and I/O supply; decoupling capacitor required within 10 mm of pin per layout guidelines. |
| VSS | Ground | Signal and power return path; requires low-impedance connection to PCB ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| AutoBoot Execution | Automatically initiates Normal or Quad Read from user-defined address on power-up/reset - eliminates host CPU polling delay for boot code fetch. |
| Hardware ECC | On-the-fly single-bit error correction during read operations - removes need for software CRC layers and improves system MTBF. |
| Quad-input Page Programming (QPP) | Enables full 512-byte page writes using four I/O lines simultaneously - reduces programming time by ~4× vs. single-line mode at same clock rate. |
| Common Flash Interface (CFI) | Standardized JEDEC-compliant configuration data accessible via SPI - simplifies driver development and enables runtime parameter discovery. |
| Advanced Sector Protection (ASP) | Password- or boot-code-controlled individual sector locking - prevents unauthorized firmware modification while allowing selective update of non-critical sections. |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Programmable Logic Controller (PLC) |
|---|---|
Use Scenario: Stores calibrated engine maps, diagnostic routines, and OTA update payloads in AEC-Q100 Grade 2 qualified ECU modules. IC Role / Device Role / Timing Role: Primary nonvolatile firmware storage with AutoBoot-triggered Quad Read for <300 ms cold start. Use Value: 20-year data retention and 100K-cycle endurance ensure compliance with ISO 26262 ASIL-B functional safety requirements. | Use Scenario: Holds ladder logic firmware, I/O configuration tables, and real-time OS kernel in DIN-rail mounted PLCs operating continuously at 70°C ambient. IC Role / Device Role / Timing Role: High-reliability code storage with hybrid sector erase enabling partial firmware patching without full reflash. Use Value: Industrial Plus temperature rating (–40°C to +105°C) and hardware ECC eliminate field failures due to bit flips in harsh factory environments. |
| Medical Imaging Subsystem | Smart Energy Meter Firmware Storage |
Use Scenario: Stores FPGA configuration bitstreams and image processing firmware in portable ultrasound units requiring rapid boot and tamper resistance. IC Role / Device Role / Timing Role: Secure boot source with 1024-byte OTP array for cryptographic keys and ASP for critical boot partition lockdown. Use Value: OTP + ASP combination meets IEC 62304 Class C software safety requirements for life-critical medical devices. | Use Scenario: Retains metrology firmware, tariff tables, and communication stack in utility-grade smart meters deployed in outdoor enclosures. IC Role / Device Role / Timing Role: Long-life firmware repository with uniform 256-KB erase blocks ensuring compatibility with legacy meter upgrade tools. Use Value: 2.7–3.6 V supply range and 0.07 mA standby current extend battery life in AMI (Advanced Metering Infrastructure) deployments. |
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 electrical specs and pinout; differs only in marking and packaging date code format. | No functional difference; both support AutoBoot, QPP, and ASP in identical configurations. | Select based on distributor stock availability and traceability requirements - no design change needed. |
| Winbond W25Q128JVSIM | Lacks AutoBoot, hardware ECC, and ASP; supports only basic status register protection and no OTP array. | Suitable for cost-sensitive consumer applications but not certified for automotive or safety-critical industrial use. | Choose only if security, reliability, and AEC-Q100 compliance are not required - requires firmware-level ECC implementation. |
Compared with S25FL127SABMFB101, the Cypress alternative offers identical functionality with zero redesign effort, while the Winbond part sacrifices AutoBoot, ECC, and advanced security for lower unit cost - making it viable only in non-safety-certified designs.
Availability
S25FL127SABMFB101 is available at Aetrix Electronics and suitable for automotive ECU firmware storage, industrial PLC code retention, and medical imaging subsystem boot applications requiring stable component supply and long-term lifecycle assurance.
Supply support for S25FL127SABMFB101 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 MCUs, and secure memory solutions, with global R&D centers and ISO/TS 16949-certified manufacturing.
The FL-S family targets high-reliability embedded systems needing fast, secure, and long-life serial flash - designed specifically for automotive, industrial, and medical applications demanding AEC-Q100 qualification and hardware-based data integrity.
FAQ
What temperature grades are supported by S25FL127SABMFB101?
S25FL127SABMFB101 is qualified for Industrial Plus (–40°C to +105°C) operation. This grade meets AEC-Q100 Grade 2 requirements and is validated for continuous operation at full speed across the entire range, with derating applied only beyond +105°C per datasheet Section 5.3.
Does this device support 32-bit addressing out of the box?
Yes - S25FL127SABMFB101 supports both 24-bit and 32-bit addressing modes via configuration register bit CR3[1]. When enabled, 32-bit mode allows access to the full 128 Mb address space without bank switching, and is compatible with host controllers implementing JEDEC JESD216B SFDP parsing.
How does AutoBoot function without external configuration?
AutoBoot is configured via nonvolatile configuration register bits CR1[7:6] and CR2[7:0], which store the boot address and read mode (Normal or Quad). These settings persist across power cycles and are programmed once during manufacturing - no external pull-ups or strapping pins are required.
Is the 1024-byte OTP array one-time programmable per byte or per word?
The OTP array is organized as 1024 bytes with byte-level programming granularity. Each byte can be programmed individually, but once any bit transitions from '1' to '0', it cannot be reversed. Erasure is not supported - programming is strictly one-time per bit, verified by read-after-write checks in production test.
S25FL127SABMFB101 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:
- 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
S25FL127SABMFB101 FAQ
1.How can I place an order for S25FL127SABMFB101 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL127SABMFB101 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 S25FL127SABMFB101 reliable?
The price and inventory of S25FL127SABMFB101 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL127SABMFB101 is usually 5 days.
3.What payment methods are accepted for S25FL127SABMFB101?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL127SABMFB101 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL127SABMFB101?
S25FL127SABMFB101 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL127SABMFB101 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 S25FL127SABMFB101?
For technical support, including S25FL127SABMFB101 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL127SABMFB101 requirements.
6.How does Aetrix verify that S25FL127SABMFB101 is sourced from the original manufacturer or authorized distributors?
All S25FL127SABMFB101 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 S25FL127SABMFB101 meets industry standards.
7.What is the process for return or replacement of S25FL127SABMFB101?
All S25FL127SABMFB101 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL127SABMFB101, 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 S25FL127SABMFB101 part is unused and in its original packaging.
Return procedure for S25FL127SABMFB101:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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