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Infineon Technologies S25FL127SABMFIZ03
- Part No.:
- S25FL127SABMFIZ03
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
S25FL127SABMFIZ03.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,944
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Product details
Overview
S25FL127SABMFIZ03 from Infineon is a 128 Mb (16 MB) serial NOR flash memory 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, and hybrid/uniform sector erase options. Used in industrial embedded boot code storage and firmware update storage for microcontrollers.
For engineers reviewing the S25FL127SABMFIZ03 datasheet, S25FL127SABMFIZ03 pinout, S25FL127SABMFIZ03 application, or S25FL127SABMFIZ03 equivalent, key selection criteria include Quad I/O read throughput, OTP security array size, AEC-Q100 Grade 2 qualification, and SOIC-16 package compatibility with legacy S25FL-A/K/P footprints.
Technical Context
This device implements SPI Multi-I/O (SPI-MIO) with support for clock polarity/phase modes 0 and 3, 24- or 32-bit addressing, and command-set compatibility across Infineon's S25FL-A, -K, and -P families. It integrates AutoBoot functionality to execute Normal or Quad Read automatically at power-up or reset from a preselected address.
The internal architecture includes a 65-nm MIRRORBIT™ Eclipse cell structure enabling 100,000 program-erase cycles per sector and 20-year data retention. Security is enforced via a 1024-byte OTP array, status-register-based block protection, and Advanced Sector Protection (ASP) with password- or boot-code-controlled individual sector locking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mb (16 MB) - sufficient for full MCU boot image + application firmware in space-constrained designs |
| Read Throughput | Quad Read: 54 MBps at 108 MHz - enables fast code execution directly from flash (XIP) |
| Erase Architecture | Hybrid sector: sixteen 4-KB sectors + remaining 64-KB sectors - balances fine-grained update flexibility with bulk erase efficiency |
| Programming Buffer | 256- or 512-byte page buffer with Quad-input Page Programming (QPP) - reduces host CPU overhead on low-clock systems |
| Data Integrity | Internal hardware ECC - corrects single-bit errors transparently during read, eliminating need for external error-handling logic |
| Operating Temp | –40°C to +105°C (Industrial Plus / AEC-Q100 Grade 2) - qualified for under-hood automotive and high-temp industrial control |
| Security | 1024-byte OTP array + ASP + status register block protection - supports secure boot key storage and firmware anti-rollback enforcement |
Pinout & Package
Package: 16-lead SOIC (300 mil), Pb-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS# | Chip Select | Active-low enable for SPI command/address/data transfer; must be asserted before each command sequence |
| SCK | Serial Clock | Input clock synchronizing all SPI transactions; supports up to 108 MHz for Quad Read |
| IO0 (SI) | Serial Input / Data I/O 0 | Input for standard SPI; bidirectional for Dual/Quad modes - carries address LSB and data in multi-I/O reads |
| IO1 (SO) | Serial Output / Data I/O 1 | Output for standard SPI; bidirectional for Dual/Quad modes - carries address MSB and data in multi-I/O reads |
| IO2 (WP#) | Write Protect / Data I/O 2 | Hardware write protection when held low; functions as IO2 in Quad mode for expanded data bus width |
| IO3 (HOLD#) | Hold / Data I/O 3 | Pauses ongoing transaction when asserted low; serves as IO3 in Quad mode for full 4-bit data path |
| VCC | Supply Voltage | 2.7 V to 3.6 V core supply - compatible with 3.3 V system rails and tolerant of transient droop |
| VSS | Ground | Signal and power return reference - requires low-impedance connection to minimize read noise and timing jitter |
Key Features
| Feature | Design Value |
|---|---|
| AutoBoot Execution | Automatically initiates Normal or Quad Read from user-defined address at power-up/reset - eliminates host initialization delay for boot-critical systems |
| Common Flash Interface (CFI) | Provides standardized configuration data (density, timings, commands) readable via SPI - enables generic flash drivers without hard-coded parameters |
| Uniform Sector Erase Option | Enforces 256-KB logical erase blocks regardless of physical layout - ensures software compatibility across S25FL family densities and future generations |
| 65-nm MIRRORBIT™ Eclipse | Reduces cell leakage and improves endurance/reliability vs. older planar NOR - validated for 100k cycles and 20-year retention at +105°C |
| JEDEC JESD216B SFDP Support | Exposes timing, erase, and feature parameters in standardized serial flash discoverable parameter table - simplifies auto-configuration in UEFI/BIOS and RTOS bootloaders |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing firmware images and configuration tables for programmable logic controllers operating in factory-floor environments with wide temperature swings and EMI exposure. IC Role / Device Role / Timing Role: Nonvolatile boot memory providing XIP-capable Quad Read access to MCU during cold start and field firmware updates. Use Value: Hybrid sector erase allows partial reprogramming of configuration data without disturbing main firmware; 105°C rating ensures reliability in uncooled control cabinets. | Use Scenario: Holding boot code and sensor calibration data for radar/EPS ECUs requiring AEC-Q100 Grade 2 qualification and secure firmware validation. IC Role / Device Role / Timing Role: Secure boot memory with OTP-stored root keys and ASP-protected calibration sectors, accessed via Quad SPI for low-latency startup. Use Value: Internal ECC prevents silent corruption of safety-critical boot code; ASP enables per-sector password lock to prevent unauthorized calibration tampering. |
| Medical Imaging System BIOS | Networking Equipment Configuration Store |
Use Scenario: Storing UEFI BIOS and FPGA configuration bitstreams in portable ultrasound and MRI subsystems requiring long-term data integrity and regulatory traceability. IC Role / Device Role / Timing Role: High-reliability SPI NOR with 20-year data retention and CFI/SFDP support for standardized BIOS driver integration. Use Value: Uniform sector option guarantees erase consistency across product lifecycle; OTP array stores cryptographic hashes for firmware signature verification. | Use Scenario: Holding routing tables, MAC addresses, and vendor-specific configuration in enterprise switches and routers deployed in temperature-variable data centers. IC Role / Device Role / Timing Role: Configurable SPI flash supporting both legacy 24-bit and extended 32-bit addressing for scalable firmware partitioning. Use Value: 54 MBps Quad Read accelerates configuration load time during failover; SOIC-16 package enables drop-in replacement in existing PCB layouts. |
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 S25FL128SAGMFI000 | Same die, identical electrical specs and pinout; differs only in marking and packaging (tray vs. tape-and-reel) | No functional difference; same industrial temperature range and AEC-Q100 Grade 2 qualification | Select based on logistics preference - both share identical datasheet (001-98282) and firmware compatibility |
| Winbond W25Q128JVSIM | 128 Mb Quad SPI flash with 4 KB sectors only; no hybrid/uniform erase option; no OTP or ASP security features | Lacks secure boot support and fine-grained erase flexibility - suitable for cost-sensitive non-safety applications | Choose only if security and sector flexibility are not required; requires firmware adaptation due to missing CFI/SFDP registers |
Compared with S25FL127SABMFIZ03, the Cypress alternative offers identical functionality with packaging variation, while the Winbond part trades security and erase flexibility for lower cost and simpler interface - making it viable only in non-secure, non-automotive contexts.
Availability
S25FL127SABMFIZ03 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical imaging system BIOS requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for S25FL127SABMFIZ03 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 ICs, and secure memory solutions, with global R&D and manufacturing infrastructure.
The S25FL-S family targets high-reliability embedded systems requiring secure, fast, and long-life nonvolatile storage - specifically engineered for automotive, industrial, and medical applications demanding AEC-Q100 qualification and 20-year data retention.
FAQ
Is S25FL127SABMFIZ03 pin-compatible with earlier S25FL-A series devices?
Yes - it maintains identical pinout, command set, and footprint compatibility with S25FL-A, S25FL-K, and S25FL-P families in SOIC-16 and other supported packages. No PCB redesign is needed for migration, though firmware may require minor updates to leverage new features like SFDP or ASP.
What is the function of the HOLD# pin in Quad I/O mode?
In Quad I/O mode, HOLD# becomes IO3 - the fourth data line enabling true 4-bit parallel data transfer during Quad Read and Quad Page Program operations. When not in Quad mode, it retains its original function as a transaction-hold signal active-low.
Does this device support 32-bit addressing out of the box?
Yes - the device supports both 24-bit and 32-bit addressing modes via configuration register settings. 32-bit mode is enabled by default after power-up and allows full 128 Mb address space access without bank switching, simplifying memory mapping in 32-bit MCUs.
How is the 1024-byte OTP array used in secure boot implementations?
The OTP array stores immutable values such as public key hashes, root certificate fingerprints, or cryptographic seeds. Once programmed, it cannot be erased or rewritten - ensuring that boot validation logic always references trusted, factory-provisioned values for firmware signature verification.
S25FL127SABMFIZ03 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FL-S
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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
S25FL127SABMFIZ03 FAQ
1.How can I place an order for S25FL127SABMFIZ03 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FL127SABMFIZ03 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 S25FL127SABMFIZ03 reliable?
The price and inventory of S25FL127SABMFIZ03 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FL127SABMFIZ03 is usually 5 days.
3.What payment methods are accepted for S25FL127SABMFIZ03?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FL127SABMFIZ03 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FL127SABMFIZ03?
S25FL127SABMFIZ03 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FL127SABMFIZ03 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 S25FL127SABMFIZ03?
For technical support, including S25FL127SABMFIZ03 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FL127SABMFIZ03 requirements.
6.How does Aetrix verify that S25FL127SABMFIZ03 is sourced from the original manufacturer or authorized distributors?
All S25FL127SABMFIZ03 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 S25FL127SABMFIZ03 meets industry standards.
7.What is the process for return or replacement of S25FL127SABMFIZ03?
All S25FL127SABMFIZ03 units undergo pre-shipment inspection (PSI). If there is an issue with S25FL127SABMFIZ03, 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 S25FL127SABMFIZ03 part is unused and in its original packaging.
Return procedure for S25FL127SABMFIZ03:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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