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Infineon Technologies S25FS128SDSNFI101
- Part No.:
- S25FS128SDSNFI101
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
S25FS128SDSNFI101.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,335
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Product details
Overview
S25FS128SDSNFI101 from Infineon is a 128 Mbit (16 MB) serial NOR flash memory 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, SFDP/CFI configuration, hardware ECC, and hybrid/uniform sector erase options. Used in boot code storage for microcontrollers in industrial edge controllers.
For engineers reviewing the S25FS128SDSNFI101 datasheet, S25FS128SDSNFI101 pinout, S25FS128SDSNFI101 application, or S25FS128SDSNFI101 equivalent, key selection criteria include 133 MHz fast read rate, 66 MBps Quad read throughput, 100,000 program-erase cycles, OTP security, and AEC-Q100-compatible industrial-grade reliability.
Technical Context
This device implements Infineon's Eclipse architecture with 65-nm MIRRORBIT™ technology, enabling high-density NOR flash with deterministic latency and XIP-capable continuous read mode. It supports both standard SPI (modes 0/3) and enhanced Multi-I/O protocols including Dual/Quad I/O and DDR Quad I/O for bandwidth scalability.
The flash integrates configurable protection mechanisms: status register-based block protection, advanced sector protection (ASP) with password or boot-code control, and a 1024-byte one-time programmable (OTP) array. Erase granularity includes hybrid sectors (eight 4-KB + one 32-KB at top/bottom) and uniform 64-KB blocks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mbit (16 MB) - fixed capacity for boot image and firmware storage in resource-constrained embedded systems |
| Supply Voltage | 1.7 V to 2.0 V - optimized for low-power 1.8 V system rails with ±0.15 V tolerance |
| Read Throughput | 66 MBps (Quad I/O, 133 MHz) - enables fast MCU boot execution without external cache |
| Erase Endurance | 100,000 cycles minimum - supports field firmware updates over product lifetime |
| Data Retention | 20 years minimum at +85°C - ensures long-term reliability in unattended industrial deployments |
| Temperature Grade | Industrial (–40°C to +85°C) - qualified for operation in factory automation and outdoor edge nodes |
| Package | WSON 6 × 5 mm (WND008), 8-pin - surface-mount footprint compatible with automated PCB assembly |
Pinout & Package
Package: WSON 6 × 5 mm (WND008), 8-lead, Pb-free, moisture-sensitive level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CS#) | Chip Select | Active-low enable for SPI command/address/data transfer; must be asserted before each command sequence |
| 2 (DO/IO1) | Serial Output / I/O1 | Primary data output in standard SPI; bidirectional in Dual/Quad I/O modes for high-speed read/write |
| 3 (WP#/IO2) | Write Protect / I/O2 | Hardware lock for sector protection when pulled low; functions as second I/O line in multi-I/O commands |
| 4 (VSS) | Ground | Signal and power reference plane; requires low-inductance connection to minimize noise during high-speed reads |
| 5 (VCC) | Power Supply | 1.8 V core supply; decoupling capacitor (≥1 µF) required within 5 mm of pin per datasheet layout guidelines |
| 6 (SI/IO0) | Serial Input / I/O0 | Command/address input in standard SPI; bidirectional in multi-I/O modes for full-duplex communication |
| 7 (SCK) | Serial Clock | Master-generated clock up to 133 MHz SDR or 80 MHz DDR; phase/polarity configurable for legacy SPI compatibility |
| 8 (RESET#/IO3) | Reset / I/O3 | Hardware reset input (active-low); serves as fourth I/O line in Quad I/O mode for maximum bandwidth utilization |
Key Features
| Feature | Design Value |
|---|---|
| Hardware ECC | On-the-fly single-bit error correction with no software overhead or latency penalty during read operations |
| Program/Erase Suspend | Allows background erase to pause and resume, enabling real-time interrupt handling without data corruption risk |
| Serial Flash Discoverable Parameters (SFDP) | Standardized JEDEC JESD216 v1.6A register map enabling automatic driver configuration on boot |
| Advanced Sector Protection (ASP) | Password- or boot-code-controlled individual sector locking, preventing unauthorized firmware modification |
| Hybrid Sector Architecture | Combines eight 4-KB sectors + one 32-KB sector at address boundaries for flexible small-code + large-data partitioning |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing bootloader and safety-critical firmware in programmable logic controllers deployed in factory environments with wide thermal cycling. IC Role / Device Role / Timing Role: Non-volatile boot memory providing deterministic XIP-capable read access to ARM Cortex-M7 MCU during cold start. Use Value: 20-year data retention and 100K erase cycles ensure firmware integrity across 15+ year equipment lifecycles without replacement. | Use Scenario: Holding certified boot images and sensor calibration data in front-camera modules operating under AEC-Q100 Grade 2 conditions. IC Role / Device Role / Timing Role: Secure, high-reliability SPI flash supporting dual-image fail-safe update and ASP-protected calibration tables. Use Value: OTP array and password-controlled ASP prevent tampering with ISO 26262 ASIL-B critical parameters during vehicle service. |
| Medical Imaging Control Board | Smart Grid RTU Configuration |
Use Scenario: Hosting FPGA configuration bitstreams and real-time OS kernel in portable ultrasound systems requiring rapid power-on initialization. IC Role / Device Role / Timing Role: Low-latency Quad I/O flash enabling sub-100 ms boot time via burst-wrap read mode and continuous XIP execution. Use Value: 66 MBps read bandwidth eliminates external RAM buffering, reducing BOM cost and board area by 12%. | Use Scenario: Storing encrypted communication stacks and grid synchronization algorithms in remote terminal units exposed to outdoor temperature extremes. IC Role / Device Role / Timing Role: Industrial-grade NOR flash with deep power-down (6 µA) and 85°C operation for battery-backed telemetry persistence. Use Value: 0.006 mA deep power-down current extends backup battery life to >5 years in maintenance-free deployments. |
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 S25FL128SAGMFIR00 | Same density, 1.8 V, WSON 6×5 mm, but lacks DDR Quad I/O support and has lower max clock (80 MHz vs 133 MHz) | No DDR mode limits bandwidth in high-throughput boot scenarios; identical SFDP/CFI compatibility simplifies driver reuse | Select when DDR is unused and legacy Cypress toolchain integration is prioritized |
| Winbond W25Q128JVSIM | 1.8 V, 128 Mbit, WSON 6×5 mm, supports Quad I/O but no hardware ECC or ASP; uses different OTP implementation | Lacks built-in ECC increases host CPU overhead for error detection; no password-protected sector locking reduces security assurance | Select for cost-sensitive designs where external ECC and software-based protection suffice |
Compared with S25FS128SDSNFI101, the Cypress alternative trades DDR performance for ecosystem continuity, while the Winbond part reduces security and reliability features to meet aggressive BOM targets-neither offers identical ECC + ASP + DDR Quad I/O coexistence.
Availability
S25FS128SDSNFI101 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical imaging control board applications requiring stable component supply and long-term lifecycle support.
Supply support for S25FS128SDSNFI101 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 family delivers high-reliability, secure, and high-bandwidth serial NOR flash targeting boot code storage and firmware update in safety-critical embedded systems.
FAQ
Does S25FS128SDSNFI101 support execute-in-place (XIP) operation?
Yes, it supports continuous read mode with burst wrap addressing, enabling true XIP execution directly from flash memory. This eliminates the need to copy firmware into RAM before execution, reducing boot time and SRAM usage in microcontroller-based systems. The device maintains deterministic latency under all supported read modes including Fast, Dual I/O, and Quad I/O.
What is the function of the RESET#/IO3 pin in normal operation?
In standard SPI mode, RESET#/IO3 serves as an active-low hardware reset input that forces the device into a known state. During Multi-I/O operations, it functions as IO3-the fourth bidirectional data line enabling Quad I/O and DDR Quad I/O modes. Its dual role is controlled automatically by command context, not external configuration.
How does the hybrid sector architecture benefit firmware partitioning?
The hybrid layout provides eight 4-KB sectors plus one 32-KB sector at either end of the address space, allowing separate allocation for small, frequently updated boot code (in 4-KB sectors) and larger, less volatile application images (in 32-KB or 64-KB uniform blocks). This minimizes erase wear on critical boot sectors during routine firmware updates.
Is the 1024-byte OTP array one-time programmable per byte or per word?
The OTP array is organized as 1024 bytes of non-volatile storage, programmable only once per byte using the One-Time Program Array commands. Once a bit is set to '0', it cannot be reverted to '1'. Each byte must be written individually, and partial writes require careful sequencing to avoid accidental locking of unused regions.
S25FS128SDSNFI101 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FS-S
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tube
- 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, QPI
- 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)
S25FS128SDSNFI101 FAQ
1.How can I place an order for S25FS128SDSNFI101 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FS128SDSNFI101 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 S25FS128SDSNFI101 reliable?
The price and inventory of S25FS128SDSNFI101 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FS128SDSNFI101 is usually 5 days.
3.What payment methods are accepted for S25FS128SDSNFI101?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FS128SDSNFI101 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FS128SDSNFI101?
S25FS128SDSNFI101 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FS128SDSNFI101 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 S25FS128SDSNFI101?
For technical support, including S25FS128SDSNFI101 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FS128SDSNFI101 requirements.
6.How does Aetrix verify that S25FS128SDSNFI101 is sourced from the original manufacturer or authorized distributors?
All S25FS128SDSNFI101 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 S25FS128SDSNFI101 meets industry standards.
7.What is the process for return or replacement of S25FS128SDSNFI101?
All S25FS128SDSNFI101 units undergo pre-shipment inspection (PSI). If there is an issue with S25FS128SDSNFI101, 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 S25FS128SDSNFI101 part is unused and in its original packaging.
Return procedure for S25FS128SDSNFI101:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S25FS128SDSNFI101 Tags
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