Infineon Technologies S25FS128SDSBHB203
- Part No.:
- S25FS128SDSBHB203
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
S25FS128SDSBHB203.pdf
- Description:
- IC FLASH 128MBIT SPI/QUAD 24BGA
- Quantity:
- Payment:

- Shipping:

Inventory:3,618
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Product details
Overview
S25FS128SDSBHB203 from Infineon is a 128 Mbit (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, hardware ECC, and hybrid/uniform sector erase options. Used in boot code storage for microcontrollers in industrial control systems.
For engineers reviewing the S25FS128SDSBHB203 datasheet, S25FS128SDSBHB203 pinout, S25FS128SDSBHB203 application, or S25FS128SDSBHB203 equivalent, key selection criteria include 1.8 V operation, DDR Quad I/O bandwidth, SFDP/CFI support for auto-configuration, 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 QPI and DDR Quad I/O, with configurable 24-/32-bit addressing.
The flash integrates dual-sector erase architectures: hybrid (eight 4-KB + one 32-KB sectors plus 64-KB blocks) and uniform (64-KB or 256-KB blocks), plus program/erase suspend-resume, automatic single-bit ECC, and 1024-byte OTP array for secure configuration storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Density | 128 Mbit (16 MB) - sufficient for full firmware images and parameter tables in resource-constrained embedded hosts |
| Interface | SPI Multi-I/O with Quad/DDR Quad I/O - enables 80 MBps read throughput without parallel bus routing |
| Supply Voltage | 1.7 V to 2.0 V - matches low-voltage SoC I/O domains and reduces power delivery complexity |
| Erase Endurance | 100,000 cycles minimum - supports field-updatable firmware with robust lifecycle management |
| Data Retention | 20 years minimum at +85°C - ensures long-term reliability in unattended industrial deployments |
| Temperature Grade | Industrial (–40°C to +85°C) - validated for operation in factory automation and motor drive environments |
| Package | WSON 6 × 5 mm (8-pin) - compact footprint ideal for space-constrained PCBs with thermal pad for dissipation |
Pinout & Package
Package: WSON 6 × 5 mm, 8-pin, exposed thermal pad (pin 8 = VSS), Pb-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CS#) | Chip Select | Active-low enable for SPI command/address/data transfer; supports multi-device daisy-chain or select decoding |
| 2 (DO / IO1) | Serial Output / I/O1 | Primary data output in standard SPI; bidirectional in Dual/Quad I/O modes for reduced pin count |
| 3 (WP# / IO2) | Write Protect / I/O2 | Hardware lock for sector protection; repurposed as Quad I/O line when not asserted |
| 4 (VSS) | Ground | Signal and power reference; connected to thermal pad for thermal management |
| 5 (VCC) | Power Supply | 1.8 V core and I/O supply; decoupling required within 5 mm for stable high-speed read/write |
| 6 (SI / IO0) | Serial Input / I/O0 | Command/address input in standard SPI; bidirectional in Multi-I/O for full-duplex efficiency |
| 7 (SCK) | Serial Clock | Edge-triggered clock up to 133 MHz (SDR) or 80 MHz (DDR); determines maximum interface bandwidth |
| 8 (RESET# / IO3) | Reset / I/O3 | Hardware reset initiation; functions as fourth I/O line in Quad mode for 4-bit parallel data transfer |
Key Features
| Feature | Design Value |
|---|---|
| DDR Quad I/O Read | 80 MBps throughput - eliminates need for wider parallel NOR interfaces while maintaining XIP performance |
| Hardware ECC | Single-bit error correction with no software overhead - ensures data integrity across 20-year retention without host intervention |
| Hybrid Sector Architecture | Eight 4-KB + one 32-KB sectors at top/bottom - enables fine-grained firmware update partitioning and fast boot loader access |
| OTP Array | 1024-byte one-time programmable region - stores cryptographic keys or calibration data with permanent write-lock capability |
| SFDP & CFI Support | Standardized parameter discovery - allows automatic driver initialization without hard-coded timing or configuration registers |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing real-time control logic and safety-critical firmware in programmable logic controllers with frequent field updates. IC Role / Device Role / Timing Role: Primary nonvolatile boot memory providing deterministic read latency and secure update rollback via sector protection. Use Value: Hybrid sector layout enables atomic 4-KB firmware patching without erasing full 64-KB blocks, reducing update time by >75%. | Use Scenario: Holding boot code and sensor calibration data for radar/EPS ECUs requiring AEC-Q100 Grade 2 compliance. IC Role / Device Role / Timing Role: Secure, high-reliability SPI flash with OTP and ASP for tamper-resistant startup sequence execution. Use Value: 20-year data retention at +105°C ensures calibration stability over vehicle lifetime without periodic recalibration. |
| Medical Imaging System Configuration | Network Edge Router Boot Image |
Use Scenario: Storing FPGA configuration bitstreams and DICOM protocol stacks in portable ultrasound devices. IC Role / Device Role / Timing Role: High-bandwidth Quad I/O interface feeding configuration data to FPGA during cold start with minimal boot delay. Use Value: 66 MBps Quad read rate cuts FPGA configuration time from >250 ms to <40 ms, improving system responsiveness. | Use Scenario: Hosting Linux kernel and rootfs for ARM-based edge routers deployed in telecom cabinets. IC Role / Device Role / Timing Role: SPI-NOR acting as primary boot source with SFDP auto-negotiation for flexible driver compatibility across SoC generations. Use Value: Uniform 64-KB sector option ensures software compatibility with future higher-density Infineon FS-S family devices, simplifying BOM migration. |
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 128 Mbit density, 1.8 V, SOIC-16 package; lacks DDR Quad I/O and hybrid sector option | Requires board redesign for SOIC-16 footprint; lower max read bandwidth (66 MBps vs 80 MBps) | Select only if legacy SOIC layout reuse is mandatory and DDR performance is not required |
| Winbond W25Q128JVSIM | 1.8 V, 128 Mbit, WSON-8; supports Quad I/O but no DDR mode or hardware ECC | No built-in error correction; requires host-side ECC implementation for mission-critical data | Choose for cost-sensitive designs where 20-year retention and single-bit ECC are not mandated |
Compared with S25FL128SAGMFI000 and W25Q128JVSIM, the S25FS128SDSBHB203 delivers superior reliability through integrated ECC and extended temperature operation, while its DDR Quad I/O and hybrid sector architecture provide measurable boot-time and update-efficiency advantages in industrial and automotive firmware storage.
Availability
S25FS128SDSBHB203 is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, medical imaging systems, and network edge routers requiring stable component supply, long-term lifecycle support, and AEC-Q100-aligned reliability.
Supply support for S25FS128SDSBHB203 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, connectivity, and memory solutions for industrial, automotive, and IoT applications.
The FS-S Flash product line is designed for high-reliability embedded boot and code storage, emphasizing deterministic timing, security features (OTP/ASP), and seamless migration across densities using consistent command sets and footprints.
FAQ
What is the maximum clock frequency supported in DDR Quad I/O mode?
The S25FS128SDSBHB203 supports DDR Quad I/O read operations at up to 80 MHz clock frequency, delivering 80 MBps effective throughput. This is specified in the AC characteristics section of the datasheet (Rev. *O, Table 6.5) and validated across the full industrial temperature range with 1.8 V supply.
Does this device require external hardware ECC circuitry?
No. The S25FS128SDSBHB203 includes on-die hardware ECC that automatically detects and corrects single-bit errors during read operations. No external circuitry or host software intervention is needed, and correction occurs transparently within the device's read path.
Can the 4-KB and 32-KB hybrid sectors be used simultaneously at top and bottom of address space?
No. The hybrid sector configuration is fixed per device variant: either eight 4-KB + one 32-KB sectors at the top *or* at the bottom of the address space-not both. This mapping is factory-programmed and cannot be reconfigured in-system.
Is the RESET# pin functional as IO3 in all operating modes?
The RESET# pin serves as IO3 only during active Multi-I/O commands (e.g., Quad I/O read/write). During reset assertion or standard SPI operation, it functions exclusively as a hardware reset input and must be pulled high via external resistor to ensure normal operation.
S25FS128SDSBHB203 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- FS-S
- Package/Case:
- 24-TBGA
- 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, QPI
- Clock Frequency:
- 80 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- -
- Voltage - Supply:
- 1.7V ~ 2V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-BGA (8x6)
S25FS128SDSBHB203 FAQ
1.How can I place an order for S25FS128SDSBHB203 through Aetrix?
Please submit a Request for Quotation (RFQ) for S25FS128SDSBHB203 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 S25FS128SDSBHB203 reliable?
The price and inventory of S25FS128SDSBHB203 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S25FS128SDSBHB203 is usually 5 days.
3.What payment methods are accepted for S25FS128SDSBHB203?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S25FS128SDSBHB203 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S25FS128SDSBHB203?
S25FS128SDSBHB203 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S25FS128SDSBHB203 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 S25FS128SDSBHB203?
For technical support, including S25FS128SDSBHB203 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S25FS128SDSBHB203 requirements.
6.How does Aetrix verify that S25FS128SDSBHB203 is sourced from the original manufacturer or authorized distributors?
All S25FS128SDSBHB203 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 S25FS128SDSBHB203 meets industry standards.
7.What is the process for return or replacement of S25FS128SDSBHB203?
All S25FS128SDSBHB203 units undergo pre-shipment inspection (PSI). If there is an issue with S25FS128SDSBHB203, 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 S25FS128SDSBHB203 part is unused and in its original packaging.
Return procedure for S25FS128SDSBHB203:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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