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Infineon Technologies S25FS128SDSNFI103
- Part No.:
- S25FS128SDSNFI103
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
S25FS128SDSNFI103.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:3,464
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Product details
Overview
S25FS128SDSNFI103 from Infineon is a 128 Mb (16 MB) serial NOR flash memory IC with SPI Multi-I/O interface, 1.8 V supply, industrial temperature grade (–40°C to +85°C), and WSON 6 × 5 mm package. It supports Quad I/O, DDR Quad I/O read up to 80 MBps, 256-byte/512-byte page programming, and hardware ECC for single-bit error correction. Used in boot code storage for microcontrollers in industrial control systems.
For engineers reviewing the S25FS128SDSNFI103 datasheet, S25FS128SDSNFI103 pinout, S25FS128SDSNFI103 application, or S25FS128SDSNFI103 equivalent, key selection factors include hybrid/uniform sector erase options, SFDP/CFI support for auto-configuration, OTP array size, AEC-Q100 qualification status, and compatibility with legacy S25FL-P/S families.
Technical Context
This device implements SPI-MIO (Multi-I/O) architecture supporting standard SPI modes 0/3 and DDR operation, enabling high-speed burst reads in XIP mode. Its Eclipse-based MIRRORBIT™ 65-nm process delivers deterministic timing with 133 MHz clock capability for Quad read and 80 MHz for DDR Quad I/O.
The flash integrates dual-sector architecture: eight 4-KB + one 32-KB physical sectors at top/bottom plus uniform 64-KB blocks elsewhere, plus configurable block protection via status register bits and advanced sector protection with password-controlled access to OTP and protected regions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mbit (16 MB) - sufficient for full firmware image + parameter storage in resource-constrained edge nodes |
| Interface | SPI Multi-I/O with DDR option - enables 80 MBps read throughput using quad lines and double data rate |
| Erase Endurance | 100,000 program-erase cycles - supports field firmware updates over 10+ years in industrial gateways |
| Data Retention | 20 years minimum at +85°C - ensures long-term reliability without refresh in sealed embedded systems |
| Supply Voltage | 1.7 V to 2.0 V - compatible with low-power 1.8 V system rails and reduces active current vs. 3.3 V flash |
| Temperature Range | –40°C to +85°C (Industrial grade) - validated for operation in factory automation PLCs and motor drives |
| Package | WSON 6 × 5 mm (8-pin) - surface-mount footprint with thermal pad for improved power dissipation in dense PCB layouts |
Pinout & Package
Package: WSON 6 × 5 mm, 8-pin, Pb-free, with exposed thermal pad (pin 8 = VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CS#) | Chip Select | Active-low enable for SPI command/address/data transfer; supports multi-device bus sharing |
| 2 (DO/IO1) | Serial Output / I/O Line 1 | Primary output during standard read; bidirectional in Dual/Quad I/O modes |
| 3 (WP#/IO2) | Write Protect / I/O Line 2 | Hardware lock for sector protection; functions as IO2 in Quad I/O mode |
| 4 (VSS) | Ground | Signal and power reference plane; connects to thermal pad for thermal management |
| 5 (VCC) | Power Supply | 1.8 V core supply; requires local 1 µF decoupling adjacent to pin |
| 6 (SI/IO0) | Serial Input / I/O Line 0 | Command/address input in standard mode; bidirectional in Multi-I/O protocols |
| 7 (SCK) | Serial Clock | Edge-triggered clock up to 133 MHz (SDR) or 80 MHz (DDR); determines max interface bandwidth |
| 8 (RESET#/IO3) | Reset / I/O Line 3 | Hardware reset assertion; serves as IO3 in Quad I/O mode for expanded data path |
Key Features
| Feature | Design Value |
|---|---|
| Hardware ECC | On-the-fly single-bit error correction with no software overhead or latency penalty |
| Hybrid Sector Architecture | Flexible 4-KB/32-KB boundary sectors + uniform 64-KB blocks - simplifies bootloader partitioning and OTA update design |
| OTP Array | 1024-byte one-time programmable space for secure keys, calibration data, or device-specific identifiers |
| SFDP & CFI Support | Standardized parameter tables enable automatic driver initialization without hard-coded timing or configuration |
| Program/Erase Suspend | Allows background read operations during long programming or erase cycles - critical for real-time interrupt response |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing boot firmware and configuration parameters in programmable logic controllers deployed in factory environments with wide temperature swings and EMI exposure. IC Role / Device Role / Timing Role: Primary non-volatile boot memory mapped into MCU address space; provides deterministic 80 MBps DDR Quad I/O read for fast startup. Use Value: 20-year data retention and 100K endurance ensure firmware integrity across extended maintenance cycles without replacement. | Use Scenario: Holding safety-critical boot code and sensor calibration data in automotive camera modules requiring AEC-Q100 compliance. IC Role / Device Role / Timing Role: Secure boot memory with OTP and ASP; supports encrypted read access and hardware write protection for ASIL-B functional safety. Use Value: Industrial Plus grade (–40°C to +105°C) variant available; this part's –40°C to +85°C rating meets Grade 3 requirements for cabin-facing ADAS subsystems. |
| Medical Imaging Device Parameter Storage | Smart Energy Meter Firmware |
Use Scenario: Retaining calibration coefficients, user preferences, and diagnostic logs in portable ultrasound equipment subject to strict regulatory traceability. IC Role / Device Role / Timing Role: Non-volatile parameter store with 1024-byte OTP for immutable serial numbers and cryptographic keys; accessed via SPI-MIO for low pin count. Use Value: Hardware ECC prevents silent data corruption in stored calibration data - eliminating need for external checksum validation logic. | Use Scenario: Hosting firmware and tariff tables in DIN-rail mounted smart meters operating continuously for 15+ years in utility substations. IC Role / Device Role / Timing Role: High-reliability code storage with uniform 64-KB erase blocks aligned to firmware update boundaries; deep power-down mode draws only 6 µA. Use Value: 0.006 mA deep power-down current extends battery backup life during mains failure without compromising security features. |
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 density, 1.8 V, WSON 6×5 mm; lacks DDR Quad I/O support; max Quad read = 66 MBps | No DDR mode limits high-throughput XIP use in real-time DSP boot paths | Select when DDR is unnecessary and legacy S25FL-S driver compatibility is required |
| Winbond W25Q128JVSIM | 1.8 V, 128 Mb, WSON 6×5 mm; supports QPI but no DDR; 100K endurance, 20-year retention | QPI mode requires different command set and initialization sequence vs. SPI-MIO | Choose for cost-sensitive designs where QPI simplifies host controller interface and DDR is not needed |
Compared with S25FS128SDSNFI103, the Cypress alternative trades DDR performance for broader legacy driver support, while the Winbond part offers QPI flexibility at the cost of missing DDR throughput and Infineon's Eclipse architecture power efficiency.
Availability
S25FS128SDSNFI103 is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, medical imaging devices, and smart energy meters requiring stable component supply and long-term lifecycle assurance.
Supply support for S25FS128SDSNFI103 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 memory solutions for industrial, automotive, and IoT applications.
The FS-S Flash product line targets high-reliability embedded systems requiring fast, secure, and configurable non-volatile storage with AEC-Q100 qualification and robust data integrity features.
FAQ
Is S25FS128SDSNFI103 pin-compatible with earlier S25FL-S series devices?
Yes - it maintains identical WSON 6×5 mm pinout and SPI command subset compatibility with S25FL-P and S25FL-S families. The CS#, SCK, SI/IO0, SO/IO1, WP#/IO2, and RESET#/IO3 pins map directly, enabling drop-in replacement where DDR mode is not utilized.
Does this part support execute-in-place (XIP) operation?
Yes - it supports continuous read mode for XIP execution from flash memory. The device allows uninterrupted instruction fetches during burst wrap reads, with timing guaranteed up to 133 MHz SDR or 80 MHz DDR Quad I/O, enabling direct CPU code execution without RAM loading.
What is the function of the RESET# pin during normal operation?
When not asserted, RESET# serves as IO3 in Quad I/O mode, expanding the data bus to four lines. During reset, it forces the device into hardware reset state, clearing internal registers and returning to standby mode - independent of CS# deassertion timing.
How is the 1024-byte OTP array accessed and protected?
The OTP array is accessed via dedicated One-Time Program Array commands (0x4B, 0x42). Once programmed, bits cannot be erased. Protection is enforced by status register lock bits and optional password authentication via Advanced Sector Protection commands, preventing unauthorized overwrite or read access.
S25FS128SDSNFI103 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FS-S
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 80 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- -
- Voltage - Supply:
- 1.7V ~ 2V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (5x6)
S25FS128SDSNFI103 FAQ
1.How can I place an order for S25FS128SDSNFI103 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FS128SDSNFI103 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 S25FS128SDSNFI103 reliable?
The price and inventory of S25FS128SDSNFI103 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FS128SDSNFI103 is usually 5 days.
3.What payment methods are accepted for S25FS128SDSNFI103?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FS128SDSNFI103 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FS128SDSNFI103?
S25FS128SDSNFI103 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FS128SDSNFI103 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 S25FS128SDSNFI103?
For technical support, including S25FS128SDSNFI103 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FS128SDSNFI103 requirements.
6.How does Aetrix verify that S25FS128SDSNFI103 is sourced from the original manufacturer or authorized distributors?
All S25FS128SDSNFI103 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 S25FS128SDSNFI103 meets industry standards.
7.What is the process for return or replacement of S25FS128SDSNFI103?
All S25FS128SDSNFI103 units undergo pre-shipment inspection (PSI). If there is an issue with S25FS128SDSNFI103, 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 S25FS128SDSNFI103 part is unused and in its original packaging.
Return procedure for S25FS128SDSNFI103:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S25FS128SDSNFI103 Tags
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AT24C02C-XHM-T
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